Community discussions

Search found 703 matches

by stephenpatrick
Wed Feb 03, 2016 1:54 pm
Forum: General
Topic: winbox communication protocol
Replies: 11
Views: 5392

Re: winbox communication protocol

Hello!

Drop us an email to discuss, ideas and thoughts are welcome -

stephen
at
cablefree
dot
net

Best regards

Stephen
by stephenpatrick
Mon Jul 27, 2015 5:24 pm
Forum: Announcements
Topic: v6.30.2 bugfix release
Replies: 148
Views: 38513

Re: v6.30.2 bugfix release

Torrent download of 6.30.2 seems stuck on 335 / 356MB, 93.09 %

Direct downloads seem fine though.
Update to that, it now seems to have completed the download.
Guess there weren't enough seeders -
by stephenpatrick
Mon Jul 27, 2015 2:42 pm
Forum: Announcements
Topic: v6.30.2 bugfix release
Replies: 148
Views: 38513

Re: v6.30.2 bugfix release

Torrent download of 6.30.2 seems stuck on 335 / 356MB, 93.09 %

Direct downloads seem fine though.
by stephenpatrick
Mon Dec 07, 2009 7:02 pm
Forum: General
Topic: Intel 82574L Gigabit Ethernet controller
Replies: 21
Views: 9631

Re: Intel 82574L Gigabit Ethernet controller

Intel 82574L still not working in 4.3 it seems.
Not sure what's up here

[edit] under system>respources, PCI tab, all interfaces showing as "unknown device"

I'll send a supout.rif to tech support

Regards
by stephenpatrick
Wed Sep 23, 2009 6:00 pm
Forum: General
Topic: Intel 82574L Gigabit Ethernet controller
Replies: 21
Views: 9631

Re: Intel 82574L Gigabit Ethernet controller

Sent - based on ROS 3.30

Look forward to feedback,

Regards
by stephenpatrick
Wed Sep 23, 2009 4:52 pm
Forum: General
Topic: Intel 82574L Gigabit Ethernet controller
Replies: 21
Views: 9631

Re: Intel 82574L Gigabit Ethernet controller

Sure - we'll do that and send it ASAP today.

Regards
by stephenpatrick
Tue Sep 22, 2009 1:09 pm
Forum: General
Topic: Intel 82574L Gigabit Ethernet controller
Replies: 21
Views: 9631

Intel 82574L Gigabit Ethernet controller

Intel 82574L Gigabit Ethernet controller

Is this supported, or going to be supported?
It's becoming quite a popular Lan-on-Motherboard for some embedded solutions now.
ports don't show up in 3.30 or 4.0 beta 4.

Regards
by stephenpatrick
Mon Sep 21, 2009 6:04 pm
Forum: General
Topic: v4.0 Feature Request(s)
Replies: 139
Views: 38720

Re: v4.0 Feature Request(s)

Intel 82574L Gigabit Ethernet controller

Is this supported, or going to be supported?

Regards
by stephenpatrick
Fri Sep 12, 2008 9:57 pm
Forum: Wireless Networking
Topic: CPE-Antenna alignment via customer / Application available?
Replies: 149
Views: 33200

Re: CPE-Antenna alignment via customer / Application available?

Just for completeness/clear up confusion:
"radiomanager" is from our company, CableFree.
You have to put a script on the box to allow the software to connect.
But, the current version doesn't support 3.x, a new version is due soon.

Regards
by stephenpatrick
Fri Sep 12, 2008 9:41 pm
Forum: RouterBOARD hardware
Topic: Temperature Monitor on Routerboard 411
Replies: 4
Views: 2556

Re: Temperature Monitor on Routerboard 411

Most high-spec CPUs have temperature sensors (usually a diode) embedded.
But the circuit to read it (SMB bus) isn't always on the CPU AFAIK.

I'd like to see x86 temp sensors supported - typically the chipsets emit more heat, and hence it's more important to monitor when mounted outside ..

Regards
by stephenpatrick
Fri May 09, 2008 12:56 am
Forum: Wireless Networking
Topic: New Frequencies for Germany
Replies: 27
Views: 4673

Re: New Frequencies for Germany

ATPC is often requested, and needed for some applications
separately,
DFS2 is aso required for USA in 5GHz bands.

Regards
by stephenpatrick
Thu Apr 17, 2008 5:23 pm
Forum: General
Topic: Wish: Radio Improvements
Replies: 4
Views: 1561

Re: Wish: Radio Improvements

Some those features (ATPC, DFS2) have been asked for before. Some would be possible with some ROS software updates, and are perfectly possible AFAIK. Others, like 100Mbps, would require new hardware/cards unless you can accept a "bonding" solution with multiple cards. 802.11n might provide higher th...
by stephenpatrick
Tue Mar 04, 2008 1:12 pm
Forum: RouterBOARD hardware
Topic: Any plan for a Higher Processor in a RB150
Replies: 3
Views: 1083

Re: Any plan for a Higher Processor in a RB150

... or a nicely modular design, with lots of PCI-express slots, so you can add the ports as you need them 4 or more at a time. There are plenty of such examples of embedded SBC with PCI expansion slots, but not router-optimised ones with PCI-E which is really needed to avoid PCI-bottleneck at GBE sp...
by stephenpatrick
Tue Mar 04, 2008 12:59 pm
Forum: RouterBOARD hardware
Topic: Routerboard case hardware
Replies: 12
Views: 1856

Re: Routerboard case hardware

A related point seeing as screws are being discussed: IMHO it would look nicer if countersunk screws are used in cases. I know there is a tiny difference in cost (a countersunk hole in case cover might cost slightly more than a plain hole) But the finished effect is much nicer. And end customers see...
by stephenpatrick
Thu Feb 28, 2008 3:13 pm
Forum: Wireless Networking
Topic: v2.9.45 5ghz band with country setting
Replies: 50
Views: 21489

Re: v2.9.45 5ghz band with country setting

One of the problems is that currently MT are tieing software version numbers to regulatory domain settings. An upgrade/downgrade of software affects what RF settings are supported! I think quite strongly that there should be a separate "regulatory domain" file, which could be FTP'd onto radios only ...
by stephenpatrick
Wed Feb 27, 2008 6:39 pm
Forum: RouterBOARD hardware
Topic: Routerboard case hardware
Replies: 12
Views: 1856

Re: Routerboard case hardware

They are presumably mild steel, not stainless steel, and yes, they do rust - have seen this.
Probably depends how the units were stored/packed/shipped.

Regards
by stephenpatrick
Thu Feb 21, 2008 5:43 pm
Forum: RouterBOARD hardware
Topic: RB 600 with Telecom power (-48v)
Replies: 10
Views: 2871

Re: RB 600 with Telecom power (-48v)

Also be careful - Equipment designed to run from Telco power supplies are normally specified 36-72V, to allow for the fluctuation of the battery banks as they charge/discharge. That's quite a range. Most data equipment with 48V input is designed with the 802.3af POE spec in mind, which has a much na...
by stephenpatrick
Sat Feb 16, 2008 1:33 pm
Forum: General
Topic: Wireless Linktest
Replies: 9
Views: 2202

Re: Wireless Linktest

Excellent idea, however it's implemented (code or script), hope this makes it into the real world
by stephenpatrick
Thu Feb 14, 2008 2:21 pm
Forum: General
Topic: Standalone WEB server (very useful)
Replies: 11
Views: 4667

Re: Standalone WEB server (very useful)

Cool! We'll await in anticipation -
by stephenpatrick
Thu Feb 14, 2008 2:20 pm
Forum: General
Topic: IAPP / 802.1f Support
Replies: 8
Views: 4355

Re: IAPP / 802.1f Support

AFAIK it's important for wifi VOIP services.

IMHO MT should put this on their "to do" list. In a "tender" scenario, products can be rejected if the features are missing, even if the customer doesn't end up using them. Crazy, but true.

Regards
by stephenpatrick
Wed Feb 13, 2008 6:07 pm
Forum: General
Topic: Standalone WEB server (very useful)
Replies: 11
Views: 4667

Re: Standalone WEB server (very useful)

An OEM-brandable and operator/OEM-customisable web-box would be really useful. Allow OEM logos, operator logos, and let OEM or operator constrain access to features. e.g. a wireless CPE could just display a few options, such as signal strength, throughput, IP & MAC address, uptime etc But a SOHO rou...
by stephenpatrick
Mon Feb 04, 2008 11:32 am
Forum: RouterBOARD hardware
Topic: RouterOS_x86 + USB + ADSLmodem
Replies: 25
Views: 7498

Re: RouterOS_x86 + USB + ADSLmodem

we had too few requests from our customer about this feature. Suggest anyone who seriously wants/needs this post a "me too" here ... BTW, some of the requests are from volume users - such as a major operator asking for 100's-1000's of units with integrated ADSL for backhaul. But if it isn't on the ...
by stephenpatrick
Thu Jan 31, 2008 9:20 pm
Forum: RouterBOARD hardware
Topic: GPS NTP Stratum (6 vs. 2)
Replies: 22
Views: 7404

Re: GPS NTP Stratum (6 vs. 2)

... however, it should be 1 if its coming from a GPS device. This is related to a previous debate, "GPS wireless sync". To crudely summarise (I am not a developer) as I understand: - Low cost GPS devices have RS232 interface - RS232 interface has latency, and add drivers+OS, is hard to determing pr...
by stephenpatrick
Tue Jan 22, 2008 8:34 pm
Forum: General
Topic: Should this Forum be changed to RouterOS v3
Replies: 1
Views: 1204

Re: Should this Forum be changed to RouterOS v3

There hasn't been a formal announcement, but given the number of "moved threads" and previous experience when 2.9.x "entered release status", MT people assume you should post questions in the regular forum areas (wireless, general networking, etc) because it's now "released", not in beta. Of course,...
by stephenpatrick
Tue Jan 22, 2008 11:03 am
Forum: General
Topic: Putting ISO on USB Stick
Replies: 22
Views: 37822

Re: Putting ISO on USB Stick

Brilliant thanks ... but IMHO don't put it too high on the "wish list" because there are lots of other things to add first ..

Regards
by stephenpatrick
Tue Jan 22, 2008 10:40 am
Forum: General
Topic: Putting ISO on USB Stick
Replies: 22
Views: 37822

Re: Putting ISO on USB Stick

... yes, but: It would be extremely neat and handy to be able to insert a USB stick "with the equivalent of the .ISO" Boot from USB, run the installer which then puts ROS on the default (main) partition (compact flash or DOM) I know this is really only an issue for x86-users where netinstall might n...
by stephenpatrick
Wed Jan 16, 2008 11:45 pm
Forum: General
Topic: RC14 - dual nstreme problem
Replies: 15
Views: 4791

Re: RC14 - dual nstreme problem

btw - why RB to RB test is faster than PC to PC test? PCs should not be slower than RBs, no? If I understand the test config right, it's because traffic from the PCs is flowing "through" the routers. That means the routers have to process packets on the Ethernet, (software) Bridge *and* Wireless in...
by stephenpatrick
Fri Jan 11, 2008 11:08 am
Forum: RouterBOARD hardware
Topic: hardware sizing, which board is appropriate?
Replies: 9
Views: 1658

Re: hardware sizing, which board is appropriate?

We make some too, look here
http://picasaweb.google.co.uk/CableFree ... bitRouters
which use Intel mobile CPUs, up to Core2Duo 2GHz+
I imagine the RB1000 would be a lot cheaper when it's launched of course.

Regards
by stephenpatrick
Tue Jan 08, 2008 11:53 am
Forum: General
Topic: Feature proposal (also community pls say if it is required)
Replies: 14
Views: 4438

Re: Feature proposal (also community pls say if it is required)

It's not as easy as you make it seem. this information is different in each driver, and we would have to work on each driver to make this information available. Ah thanks Normis - this is the "real" problem here - multiple drivers to support "extract of stats". Suggestion: I wonder if it possible t...
by stephenpatrick
Thu Jan 03, 2008 5:55 pm
Forum: General
Topic: Feature proposal (also community pls say if it is required)
Replies: 14
Views: 4438

Re: Feature proposal (also community pls say if it is required)

It's been asked for before - and yes, it's very much needed, especially for outdoor/rooftop routers. I bet the feature is already there in the drivers in the Kernel. Most decent NIC drivers Windows (esp. Intel) have this feature. Make sure you've voted for this on the Wiki. Generally, I sense the MT...
by stephenpatrick
Wed Dec 12, 2007 11:21 am
Forum: Wireless Networking
Topic: Wireless cards for 5.9-6.4 GHz?
Replies: 9
Views: 2469

Re: Wireless cards for 5.9-6.4 GHz?

The concept sounds interesting.
Is 6.4GHz legal in Russia.
I can think of uses in 10GHz, for some countries that allow that.
Are there versions that do that?

Regards
by stephenpatrick
Tue Dec 11, 2007 3:36 pm
Forum: Wireless Networking
Topic: Wireless cards for 5.9-6.4 GHz?
Replies: 9
Views: 2469

Re: Wireless cards for 5.9-6.4 GHz?

We test frequency converters: 2.4 GHz <-> 5.9-6.4 GHz.
Any chance you could post a link, or drop an email, with links to converters like those?
There are some opportunities for non-standard frequencies -

Regards
by stephenpatrick
Fri Nov 30, 2007 11:39 am
Forum: Wireless Networking
Topic: Simplex TV-video broadcasting (streaming)
Replies: 6
Views: 1747

Re: Simplex TV-video broadcasting (streaming)

you can already do this by using v3.0 and multicast package. Then you can forward Multicast traffic over the wireless and there will not be any ack for that traffic. Thanks Uldis. Sounds too simple to be true - but perhaps it is that simple! If anyone tries this with success, please post - am sure ...
by stephenpatrick
Thu Nov 29, 2007 5:00 pm
Forum: Wireless Networking
Topic: Simplex TV-video broadcasting (streaming)
Replies: 6
Views: 1747

Re: Simplex TV-video broadcasting (streaming)

I don't think Nstreme2 for P2MP was asked for here. What's asked for is one-way transmission, UDP multicast video packet stream, without ACK. Any "listening" station (on correct freq/security/SSID etc) could receive the stream. No ACKs are sent to the base station. Probably needs a major hack of the...
by stephenpatrick
Fri Nov 02, 2007 10:26 am
Forum: General
Topic: rc9 lockups in Jetway JF4K
Replies: 6
Views: 2412

Re: rc9 lockups in Jetway JF4K

I'd be prepared to place a small bet that it's the famous "Via chipset lockup problem" still not fixed, not ROS. When it locks up, does it leave network interfaces "stuck" (not passing traffic) but the RS232 console working? That's what the older Via chipsets did, consistently, with high traffic loa...
by stephenpatrick
Thu Nov 01, 2007 4:04 pm
Forum: Wireless Networking
Topic: Need more than 200 Mbit/s real traffic over ~ 5 km ?
Replies: 21
Views: 3818

Re: Need more than 200 Mbit/s real traffic over ~ 5 km ?

Anyway in a major city crowd, it's less than probable to have clear spectrum to do it wireless with non-licensed radios. Exactly ... most users wouldn't want to bet on 4x 40MHz channels being free (and staying clear) in many major cities in the world. Of course for a rural shot, it could work thoug...
by stephenpatrick
Thu Nov 01, 2007 9:50 am
Forum: Wireless Networking
Topic: Need more than 200 Mbit/s real traffic over ~ 5 km ?
Replies: 21
Views: 3818

Re: Need more than 200 Mbit/s real traffic over ~ 5 km ?

Whats is the cost of a licence? Is it a per year thing? Depends what country you're in, what freq band, what channel width (3.5, 7, 14, 28, 56MHz in ETSI) And yes, generally, you pay per year, unless you're a huge utility, or the government itself. I have heard of fees in the US$300 - $2400 per yea...
by stephenpatrick
Wed Oct 31, 2007 8:30 pm
Forum: Wireless Networking
Topic: Need more than 200 Mbit/s real traffic over ~ 5 km ?
Replies: 21
Views: 3818

Re: Need more than 200 Mbit/s real traffic over ~ 5 km ?

[not a sales pitch, the following is generally true in the industry] High speed links: Licensed Microwave - up to 622Mbps FDX net throughput, Gigabit Ethernet interface 70GHz Millimeter Wave - 5km is possible (but not in tropical rainzone), 1Gbps FDX net throughput MT-based radios, 77Mbps FDX Nstrem...
by stephenpatrick
Tue Oct 30, 2007 9:09 pm
Forum: Wireless Networking
Topic: POE SWITCH FOR ROUTERBOARD333
Replies: 8
Views: 4791

Re: POE SWITCH FOR ROUTERBOARD333

In my experience, an isolated dc-dc power supply is more complex and expensive than a non-isolated one. Making a 9-48V dc-dc non-isolated is not expensive or complicated Making 9-24V dc-dc non-isolated is marginally cheaper, because lower V-rated capacitors required, and easier to design also. Isola...
by stephenpatrick
Mon Oct 29, 2007 5:11 pm
Forum: RouterBOARD hardware
Topic: RB411 Anyone??
Replies: 14
Views: 3392

Re: RB411 Anyone??

Guessing is more fun! The following was posted on a mail list thread: The RB411 CPE board will be demonstrated at the Egypt MUM. This is a drop-in replacement for the RB133C with connectors, board size, and mounting holes the same as the RB133C. It will be appoximately 3X faster with the same price ...
by stephenpatrick
Thu Oct 18, 2007 6:08 pm
Forum: General
Topic: Feature request, sort of.
Replies: 6
Views: 1608

Re: Feature request, sort of.

Turning off the router during those 24 hours also stops the clock ... so you can run it for an hour today to build it, then 23 hours next week when you get back to it. Is that true on battery-backed RTC x86 systems? i.e. is it 24 hours of calendar/clock time, or 24 hours of "up-time"? The system cl...
by stephenpatrick
Wed Oct 17, 2007 11:09 pm
Forum: General
Topic: MUM for Australia - any planning?
Replies: 38
Views: 5369

Re: MUM for Australia - any planning?

Not quite fair IMHO - 3.0RC is not yet in "release" status: one has to accept that status - caveat emptor - and just like previously with 2.9, there was no real online documentation until release version was out. Quite right: MT should put the effort into making the code stable, rather than writing ...
by stephenpatrick
Wed Oct 17, 2007 10:57 pm
Forum: General
Topic: Feature request, sort of.
Replies: 6
Views: 1608

Re: Feature request, sort of.

Yes, that would be *very* nice.
On x86 systems it's not always convenient to license the same day as physical manufacture - can cause production issues, especially on hardware/BIOS that doesn't support PXE-boot, where there is more "messing around" involved.

Regards
by stephenpatrick
Mon Oct 08, 2007 8:30 pm
Forum: RouterBOARD hardware
Topic: RouterBOARD 333 AND RouterBOARD 1000 - a preview ?
Replies: 78
Views: 24511

Re: RouterBOARD 333 AND RouterBOARD 1000 - a preview ?

Correct, Holes should be on the sides (note plural) on 1U equipment - or alternatively, the back. Height of 1U means 40mm fans, which are not usually whisper-quiet - but then, you don't usually put 1U racks in your living room :-) Suggest put 2x 40mm fans on *one* side of the rack, blowing the air o...
by stephenpatrick
Sat Oct 06, 2007 5:46 pm
Forum: Wireless Networking
Topic: Nstreme Dual issues
Replies: 11
Views: 1473

Re: Nstreme Dual issues

CM9's dont have such good near-adjacent channel filtering compared to more recent radios.
Try newer ones -
by stephenpatrick
Fri Oct 05, 2007 5:19 pm
Forum: RouterBOARD hardware
Topic: will RB support WIMAX?
Replies: 3
Views: 2098

Re: will RB support WIMAX?

That one has been asked a few times.

"no time soon" unless things have changed.

Lack of drivers for available miniPCI cards being a major sticking point.

A lot of votes for it though ...

Regards
by stephenpatrick
Fri Oct 05, 2007 1:16 pm
Forum: General
Topic: RB133 with High Power MiniPCIs
Replies: 5
Views: 1617

Re: RB133 with High Power MiniPCIs

U can use 48V 2A power supply
.... Bzzzzzt.... there goes your board, up in smoke ....

Seriously, don't apply 48V to that board !
by stephenpatrick
Thu Oct 04, 2007 8:27 pm
Forum: Wireless Networking
Topic: Nstreme Dual issues
Replies: 11
Views: 1473

Re: Nstreme Dual issues

Ghmorris is right on that - probably not enough isolation with dual-pol antennas to use high power cards.
Try turning down the TX power, it may interfere less with the adjacent receiver.

Regards
by stephenpatrick
Fri Sep 28, 2007 3:17 pm
Forum: RouterBOARD hardware
Topic: RouterOS_x86 + USB + ADSLmodem
Replies: 25
Views: 7498

Re: RouterOS_x86 + USB + ADSLmodem

Support for USB modems sounds a great idea, because AFAIK it also means less of an "approvals" problem connecting to public telephone lines, assuming the USB modem has approvals already. Probably depends on the country how strict that is. I think it would be great because it would enable "one-box" w...
by stephenpatrick
Tue Sep 25, 2007 2:50 pm
Forum: RouterBOARD hardware
Topic: Monitoring of battery voltage via winbox
Replies: 55
Views: 15561

Re: Monitoring of battery voltage via winbox

More general note on power, might apply here Sometimes, the "stiffness" of a power supply affects the ability of complex boards to boot, due to speed of the PSU startup. Example, an ATX PC supply provides power immediately to the rails; a laptop "brick" often has a slower "on" ramp. I've seen certai...
by stephenpatrick
Tue Sep 25, 2007 2:38 pm
Forum: General
Topic: ROS 3 - Ethernet Master Port - what is it?
Replies: 14
Views: 40805

Re: ROS 3 - Ethernet Master Port - what is it?

Exactly - So the "which/why should I use each" decision would look something like: RouterOS Software Bridge - can control traffic flow - can monitor flow - can do L2 and L3 functions like firewall .. but uses CPU power to do it Hardware Bridge Feature - faster throughput - low CPU load .. but can't ...
by stephenpatrick
Tue Sep 25, 2007 11:45 am
Forum: General
Topic: ROS 3 - Ethernet Master Port - what is it?
Replies: 14
Views: 40805

Re: ROS 3 - Ethernet Master Port - what is it?

There seems confusion about terminology: Check http://en.wikipedia.org/wiki/Ethernet_bridge and http://en.wikipedia.org/wiki/Ethernet_switch Which includes the line "Network switch is a marketing term rather than a technical one". At a basic level, Bridging = switching, when operating at Layer 2, i....
by stephenpatrick
Fri Sep 21, 2007 11:30 pm
Forum: General
Topic: Support for USB LCD displays
Replies: 17
Views: 4938

Re: Support for USB LCD displays

There do appear to be Linux drivers/apps for them: http://www.crystalfontz.com/links/index.html but the back of the board http://www.crystalfontz.com/products/635/CFA_635_Back_1024.html they have removed any chip idents so you can't see what's used ... I don't have any USB versions, but the serial v...
by stephenpatrick
Thu Sep 20, 2007 3:39 pm
Forum: General
Topic: Support for USB LCD displays
Replies: 17
Views: 4938

Re: Support for USB LCD displays

If you want to support the buttons, that's great, and specifically for wireless installs: - change channel - change band and channel width - scan/view choice of visible SSIDs (and select which to connect to if possible) with signal levels of each - select frequency (assuming it's an AP) - alter TX p...
by stephenpatrick
Wed Sep 19, 2007 12:03 pm
Forum: General
Topic: Mikrotik Router Os for 64 bit processor
Replies: 7
Views: 5595

Re: Mikrotik Router Os for 64 bit processor

Interesting stuff. There's some good wikipedia articles http://en.wikipedia.org/wiki/64-bit http://en.wikipedia.org/wiki/Streaming_SIMD_Extensions http://en.wikipedia.org/wiki/SIMD and though you're right most of the motivation for CPU vendors making 64bit is floating point, vector operations, there...
by stephenpatrick
Wed Sep 19, 2007 11:47 am
Forum: General
Topic: Support for USB LCD displays
Replies: 17
Views: 4938

Re: Support for USB LCD displays

Just a few thoughts here: Support for USB displays could be really neat for outdoor radios/routers: - there are waterproof USB connectors available for the case - makes the display demountable/removable after install/alignment - USB port supplies enough power (500mA) to power the display - put the d...
by stephenpatrick
Tue Sep 18, 2007 10:07 am
Forum: Wireless Networking
Topic: daul nstreme hardware question
Replies: 4
Views: 787

Re: daul nstreme hardware question

Anyone interested, best to drop a mail direct:
[Of course this is MT's support forum, not an advertising board]

stephen <dot> patrick [at] cablefree <dot> co <dot> uk

We have a lot of customer experience with these fast x86 platforms now, extremely positive, many high-profile references.

Regards
by stephenpatrick
Mon Sep 17, 2007 10:26 am
Forum: General
Topic: Mikrotik Router Os for 64 bit processor
Replies: 7
Views: 5595

Re: Mikrotik Router Os for 64 bit processor

Interesting statement:

Care to expand on that?
Any specific reasons?
by stephenpatrick
Mon Sep 17, 2007 10:20 am
Forum: General
Topic: encrypted nstream2
Replies: 22
Views: 3547

Re: encrypted nstream2

Err ... we've supplied countless government agencies with secure wireless links over the years. Granted, mostly not RF ones, but even so, they actually preferred wireless instead/as well as fibre for various reasons. Protocol overhead? for a decent encryption? a "key exchange" every few minutes or s...
by stephenpatrick
Sat Sep 15, 2007 11:13 am
Forum: Wireless Networking
Topic: router board 100 series
Replies: 2
Views: 560

Re: router board 100 series

That is a really helpful comparison -
nice one -
Suggest adding wireless throughput too?

Regards
by stephenpatrick
Sat Sep 15, 2007 11:08 am
Forum: Wireless Networking
Topic: daul nstreme hardware question
Replies: 4
Views: 787

Re: daul nstreme hardware question

What's the highest throughput reported so far on RB333? and CPU loading? It would be great to see a performance comparison to x86, in Nstreme and Nstreme2 IMHO the newer RB's look great, there should be some formal comparative benchmarking, say PPS and Mbps in various wired/wireless bridged/routed c...
by stephenpatrick
Mon Sep 10, 2007 10:50 am
Forum: Wireless Networking
Topic: CPE-Antenna alignment via customer / Application available?
Replies: 149
Views: 33200

Re: CPE-Antenna alignment via customer / Application available?

Dear Sandro,
Do drop us an email, we'll send you the script.
It's requested not to put it on a public forum, because of the obvious security risk.

Best regards

CableFree Solutions
by stephenpatrick
Fri Sep 07, 2007 11:36 pm
Forum: Wireless Networking
Topic: wireless alignment
Replies: 2
Views: 678

Re: wireless alignment

From here: http://software.cablefreesolutions.com Download, follow instructions to register. All free. Note: you need to run a script to set a customer user ID on your routers/CPEs to log on - You're welcome to mail us to request this: stephen <dot> patrick [at] cablefree <dot> co <dot> uk Regards C...
by stephenpatrick
Fri Sep 07, 2007 11:32 pm
Forum: Wireless Networking
Topic: MT comments on New Position of MiniPCI slots
Replies: 2
Views: 733

Re: MT comments on New Position of MiniPCI slots

"Cost" is a major factor in high volume low-cost boards. Putting the mPCI slots hanging over the edge allows smaller board size, which saves money Some other boards put the mPCI slots inboard, often over other chips (CPU, ethernet controllers), which isn't always good from a heat point-of-view as yo...
by stephenpatrick
Thu Sep 06, 2007 4:45 pm
Forum: General
Topic: encrypted nstream2
Replies: 22
Views: 3547

Re: encrypted nstream2

And DFS - so it can be legally used in EU -

And potentially DFS2 or whatever the FCC now require for the 5GHz bands in USA -

Regards
by stephenpatrick
Thu Sep 06, 2007 10:11 am
Forum: Wireless Networking
Topic: CPE-Antenna alignment via customer / Application available?
Replies: 149
Views: 33200

Re: CPE-Antenna alignment via customer / Application available?

Both links should be correct - one leads to the other. Just for clarity, that's CableFree's Radiomanager software, which is a Windows GUI, works with most versions of ROS, is frequently updated (with auto version update prompt) and lets you see most aspects of a radio configuration - ideal for P2P l...
by stephenpatrick
Wed Sep 05, 2007 2:36 pm
Forum: General
Topic: encrypted nstream2
Replies: 22
Views: 3547

Re: encrypted nstream2

... because a half-decent hacker with a couple of routerboards and antennas, or for that matter, a hostile organisation with enough motivation and budget would be through it and onto the network in not-very-long time. Corporates and Government users want to see multi-layered security - no one layer ...
by stephenpatrick
Wed Sep 05, 2007 11:35 am
Forum: Wireless Networking
Topic: New Frequencies for Germany
Replies: 27
Views: 4673

Re: New Frequencies for Germany

But in a point to point situation with stable signal this is acceptable. That's fine for a short link. But not if it's a long link, where weather effects adversely affects the link margin. This is one of the whole reasons for ATPC, the transmitter only puts out high power in fade conditions - means...
by stephenpatrick
Wed Sep 05, 2007 11:26 am
Forum: Wireless Networking
Topic: Help with 70 KM link
Replies: 8
Views: 1375

Re: Help with 70 KM link

we use spatial diversity with 3.6M dishes (about 30M spacing between antennas) to get enough path variation that we can run at 99.999+% on licensed 6 gig protected diverse wireless. Raises an interesting point: for spatial diversity requiring ~30m antenna spacing, for licensed links the ODU<>IDU in...
by stephenpatrick
Mon Sep 03, 2007 7:09 pm
Forum: Wireless Networking
Topic: New Frequencies for Germany
Replies: 27
Views: 4673

Re: New Frequencies for Germany

is ATPC a big problem? Can it be scripted? Last time I checked, altering the TX power on the AP in ROS disconnects the CPEs - temporarily - which then have to re-associate. A script implementing ATPC would have that effect. That might render a "legally usable" system but a very annoying one that cu...
by stephenpatrick
Wed Aug 29, 2007 5:34 pm
Forum: Wireless Networking
Topic: RB333 and three R52s?
Replies: 19
Views: 2923

Re: RB333 and three R52s?

Not tried, but having 3 Atheros cards on top of each other, I'd suggest avoiding closely spaced channels, otherwise interference between them is more than likely.

Regards
by stephenpatrick
Wed Aug 29, 2007 5:06 pm
Forum: Wireless Networking
Topic: Anyone know of a frequency converter???
Replies: 8
Views: 1277

Re: Anyone know of a frequency converter???

What's probably easier, an adaptor for PCI-E Atheros cards. PCI-E Atheros cards already exist for laptops. http://en.wikipedia.org/wiki/ExpressCard http://en.wikipedia.org/wiki/PCI_Express_Mini_Card PCI-express uses serial signalling at 2.5Gbps, with 8b10b coded data, with the clock information embe...
by stephenpatrick
Wed Aug 29, 2007 4:46 pm
Forum: RouterBOARD hardware
Topic: can RB keep time running when disconnect power ?
Replies: 16
Views: 3002

Re: can RB keep time running when disconnect power ?

Also, in many cases, it's not just a question of "adding a battery": In x86 systems the RTC is normally on a separate chip (not the CPU) which remains powered by the battery whilst the rest of the system is powered down. I don't know how current-gen RB's do the RTC, if it's done in the main CPU, the...
by stephenpatrick
Fri Aug 24, 2007 9:22 pm
Forum: RouterBOARD hardware
Topic: can RB keep time running when disconnect power ?
Replies: 16
Views: 3002

Re: can RB keep time running when disconnect power ?

Most x86 boards (including embedded ones) have battery backup for the RTC. However, the time usually drifts because they use cheap Xtals and users should use NTP anyway for long-term accuracy MT have missed battery-backup of the RB's IMHO mostly for cost reasons, which is quite reasonable. However, ...
by stephenpatrick
Wed Aug 15, 2007 8:57 pm
Forum: General
Topic: Switch support on RC2?
Replies: 8
Views: 2024

Re: Switch support on RC2?

I might be blind today, but can't see any settings for the switch. Where do you find them? - Winbox? - CLI? BTW, 87Mbps UDP through a L2 hardware switch isn't full line rate - I'd expect to see a bit more - like 97Mbps. Maybe there's some reason for this - depends if ROS is having to do processing t...
by stephenpatrick
Wed Aug 15, 2007 5:18 pm
Forum: General
Topic: Switch support on RC2?
Replies: 8
Views: 2024

Re: Switch support on RC2?

Not a guess - I knew it :-)

What users will need to guess, "how to use the feature" ...

Regards
by stephenpatrick
Wed Aug 15, 2007 3:02 pm
Forum: General
Topic: Switch support on RC2?
Replies: 8
Views: 2024

Re: Switch support on RC2?

AFAIK there is an embedded L2 Ethernet Switch inside the Infineon SOC/CPU on RB100 series. Sounds like MT have added support for it. Will be interesting to see what it does - [Edit] Infineon shortform datasheet here: http://www.infineon.com/cms/en/product/channel.html?channel=ff80808112ab681d0112ab6...
by stephenpatrick
Mon Aug 13, 2007 11:39 am
Forum: General
Topic: v3 RC1 , secure.dll error.
Replies: 2
Views: 1222

Re: v3 RC1 , secure.dll error.

Sometimes AFAIK this is necessary on production releases too.
I button or routine "cleanse old WinBox files" would be useful, because though an expert knows what to do, an end-user doesn't always. Would be helpful IMHO.
by stephenpatrick
Fri Aug 10, 2007 7:50 pm
Forum: General
Topic: Station PsudeoBridge
Replies: 4
Views: 1531

Re: Station PsudeoBridge

Thanks very much for replying -

Hmm - that's what I did, no joy.

What did you do at the AP end?

Not using WDS (of course) or Nstreme (yet) for that matter on this attempt

Regards
by stephenpatrick
Fri Aug 10, 2007 7:39 pm
Forum: General
Topic: Station PsudeoBridge
Replies: 4
Views: 1531

Re: Station PsudeoBridge

Anyone know, how to set up the Pseudobridge mode?
Tried setting it up, but can't get traffic through the subscriber end

Regards
by stephenpatrick
Mon Aug 06, 2007 2:00 pm
Forum: RouterBOARD hardware
Topic: RB192 and RB333
Replies: 67
Views: 11351

Re: RB192 and RB333

Very smart move. Many of the "big boys" put such "accelerators" or "TCP offload engines" on their line cards.
I wonder about creating a PCI-express add-in cards for accelerating x86 / Core2Duo / Core2Quad -base routers?
There's an idea ...
by stephenpatrick
Fri Aug 03, 2007 5:25 pm
Forum: RouterBOARD hardware
Topic: RB192 and RB333
Replies: 67
Views: 11351

Re: RB192 and RB333

Very interesting.
Are there any (exact or approximate) performance benchmarks on
"PowerPC E300 266/333MHz CPU" compared to x86, MIPs, etc?

Regards
by stephenpatrick
Fri Jul 20, 2007 4:19 pm
Forum: Wireless Networking
Topic: VOIP limits
Replies: 22
Views: 3237

Re: VOIP limits

IMHO, Use a decent x86 system with MT.
AFAIK a 1GHz CPU would remove that PPS bottleneck, which is limited by the CPU.
MT is much more flexible than Alvarion, I don't think there's much comparison.

Regards

CableFree Solutions
by stephenpatrick
Wed Jul 18, 2007 3:08 pm
Forum: Wireless Networking
Topic: Wimax minipci 5.8GHZ
Replies: 1
Views: 1084

Re: Wimax minipci 5.8GHZ

That looks like a Wavesat-chipset-based card.
Wavesat have already had 3.5GHz cards out for a while through ODMs

MT will no doubt reply but the answer is "no time soon" because of lack of open-source drivers.

Regards
by stephenpatrick
Mon Jul 16, 2007 4:36 pm
Forum: General
Topic: Mikrotik VIDEOS!
Replies: 35
Views: 6216

Re: Let's try something new ...

I was trying to be constructive not critical - it's an excellent idea. A few tips on making good videos from an expert (not me!) on the products/solutions could really help you. Does Google Video have the same limitation on length? Personally I like that more than YouTube. The other thing to do woul...
by stephenpatrick
Mon Jul 16, 2007 1:16 pm
Forum: General
Topic: Mikrotik VIDEOS!
Replies: 35
Views: 6216

Re: Let's try something new ...

I think he's complaining about source quality, not your server which am sure is better. No criticism intended, I think videos of MUM presentations an excellent idea. Suggestion: future MUMs, get a high quality DVR/VCR on a tripod so you get really nice stable images. Check lighting levels, is tricky...
by stephenpatrick
Wed Jul 11, 2007 7:25 pm
Forum: General
Topic: IPsec
Replies: 2
Views: 573

Re: IPsec

Might be a crazy question: Is it feasible to do VPN or any other secure tunnel on a fast MT box at 1Gbps full duplex? [edit] I mean a single pipe, encrypted. so each end, a router with 2x GigE ports, one for user traffic the other for the encrypted link. Or is that just too tough for a software-only...
by stephenpatrick
Wed Jul 11, 2007 7:18 pm
Forum: Wireless Networking
Topic: 5.740-5.840GHz Frequencies missing for United Kingdom
Replies: 27
Views: 2812

Re: 5.740-5.840GHz Frequencies missing for United Kingdom

Sure - if that doesn't offend MT (if it does, please delete this one post, not the whole thread) The manual in on the public area of Moto's site, so no confidentiality issues and I don't think I've broken any publishing rules by doing this: http://www.motorolaptp.com/library/?cat=17 and it's the "P2...
by stephenpatrick
Wed Jul 11, 2007 4:35 pm
Forum: Wireless Networking
Topic: 5.740-5.840GHz Frequencies missing for United Kingdom
Replies: 27
Views: 2812

Re: 5.740-5.840GHz Frequencies missing for United Kingdom

Just FYI Orthogon Spectra uses 30MHz channels in 5.8GHz band and is legal in UK. I've just emailed a link to Uldis for the installation manuals which includes regulatory information including specific UK information. Note it refers to 2W EIRP which is now out-of-date, we have 4W according to the new...
by stephenpatrick
Thu Jul 05, 2007 5:54 pm
Forum: Wireless Networking
Topic: Maximum possible bandwidth for wireless PtP link
Replies: 18
Views: 4024

Re: Maximum possible bandwidth for wireless PtP link

A multi-radio MT setup will use up 160MHz of spectrum to do >100Mbps FDX, and need twin dual-polarised antennas, with some separation between them. It can be done. For high speed also consider Millimeter-Wave (60 or 70GHz) or Free Space Optics, either of which are ideal for 100Mbps FDX or 1000Mbps G...
by stephenpatrick
Thu Jul 05, 2007 5:46 pm
Forum: Wireless Networking
Topic: 25Km 125Mbps FDX Link
Replies: 24
Views: 10407

Re: 25Km 125Mbps FDX Link

<Blush>Thank you George that's very kind</Blush> You CAN do this in MT with high performance x86 hardware, and we build boxes that can do that all-in-one with up to 5 radio cards in a system. Each card can do 72-80Mbps throughput, and you can bond them together in various ways to give you the aggreg...
by stephenpatrick
Thu Jul 05, 2007 5:30 pm
Forum: Wireless Networking
Topic: 5.740-5.840GHz Frequencies missing for United Kingdom
Replies: 27
Views: 2812

Re: 5.740-5.840GHz Frequencies missing for United Kingdom

That sounds great
As I understand it we are allowed 40MHz channels in UK.
Not explicitly, but there's nothing saying you can't do it.

What about 5.4GHz ?

Regards
by stephenpatrick
Sat Jun 30, 2007 1:50 am
Forum: Wireless Networking
Topic: Best way to pass through trees?
Replies: 7
Views: 1059

Re: Best way to pass through trees?

Chainsaw . Bzzzzzzzzzz .
Problem solved :-)

Seriously, only low-freq signals <1GHz go through trees
Above that, major problem, no "hi tech" solution

Regards
by stephenpatrick
Fri Jun 29, 2007 4:51 pm
Forum: Wireless Networking
Topic: 802.3af power and 532aR5
Replies: 7
Views: 1281

Re: 802.3af power and 532aR5

Have a read here: a good summary of the 802.3af standard http://en.wikipedia.org/wiki/802.3af "Two modes, A and B, are available. In mode A, pins 1-2 (pair #2 in T568B wiring) form one side of the 48 volt DC supply, and pins 3-6 (pair #3 in T568B) provide the 48 V return. These are the same two pair...
by stephenpatrick
Wed Jun 20, 2007 3:23 pm
Forum: Wireless Networking
Topic: 5.740-5.840GHz Frequencies missing for United Kingdom
Replies: 27
Views: 2812

Re: 5.740-5.840GHz Frequencies missing for United Kingdom

you are the only ones with such issues :)
Fair enough, sometimes the UK manages to be unique ... :lol:

Have replied off-forum on this topic.
by stephenpatrick
Wed Jun 20, 2007 3:11 pm
Forum: Wireless Networking
Topic: Any Plans for R52 with Higher TX Power?
Replies: 5
Views: 1279

Re: Any Plans for R52 with Higher TX Power?

Brilliant. Applause to that. Any idea on RF connectors? U.FL isn't anywhere near ideal. SMA's can be a bit big and foul on other other bits on various boards. There are plenty other "good" small connectors. Regarding XR/SR: AFAIK For a P2P link you are often way over the EIRP in many countries, even...
by stephenpatrick
Wed Jun 20, 2007 2:57 pm
Forum: Wireless Networking
Topic: 5.740-5.840GHz Frequencies missing for United Kingdom
Replies: 27
Views: 2812

Re: 5.740-5.840GHz Frequencies missing for United Kingdom

we can't allow these bands as default, because people who have not paid should not be able to use them. Prompts a question: is the UK the only country with "soft licensing"? IMHO that is the cause of this debate. Also note, no other radio vendor takes the role of being the "police". All documentati...
by stephenpatrick
Wed Jun 20, 2007 2:24 pm
Forum: Wireless Networking
Topic: gprs
Replies: 18
Views: 3667

Re: wimax

Nice one, MIPLAND - well spotted. Glenn is a very respected author. Looks like the main outdoor improvement for 802.11n will be the MAC layer improvements. And, the one he doesn't mention, the "beam steering" possible with an antenna array, improving the signal at the client (fixed or mobile). The 8...
by stephenpatrick
Wed Jun 20, 2007 3:10 am
Forum: Wireless Networking
Topic: gprs
Replies: 18
Views: 3667

Re: wimax

Very interesting debate! and some very good points there. 802.11n, AFAIK most of the performance gain is through MIMO, relying on reflected signals and signal processing to increase throughput. That works well indoors, because there's plenty of walls/ceilings/doors to make signals bounce around. I d...
by stephenpatrick
Wed Jun 20, 2007 1:55 am
Forum: Wireless Networking
Topic: gprs
Replies: 18
Views: 3667

Re: wimax

cost for link p-t-p about 10-15k $ These days no-one is suggesting WiMax is the right solution for P2P links - even Moto openly says it isn't suitable. WiMax is for P2MP distribution, with some features you will never see on a non-WiMax current-generation Atheros/MT-type system - and vice-versa: Wi...
by stephenpatrick
Tue Jun 19, 2007 5:59 am
Forum: Wireless Networking
Topic: gprs
Replies: 18
Views: 3667

Re: wimax

channel width from 1,75 to 14 mhz That's not the first time I've heard that one - some countries issuing freq licenses but stipulating the ETSI channel widths 1.75, 3.5, 7, 14MHz etc, which excludes systems built using "Atheros WiFi extension" gear using 5, 10, 20, 40MHz. All other arguments apart,...
by stephenpatrick
Mon Jun 11, 2007 6:34 pm
Forum: Wireless Networking
Topic: reading board/cpu temperature
Replies: 7
Views: 2169

Re: reading board/cpu temperature

Nice post, interesting gear. Certainly would be a solution, better than where we are now. IMHO: 1st preference: "use the onboard sensors": they're already on the motherboard, and linux software exists. 2nd preference: "add on dongle" like those. Plenty of 1-wire devices around. What's going to cause...
by stephenpatrick
Mon Jun 11, 2007 2:47 pm
Forum: Wireless Networking
Topic: 5.740-5.840GHz Frequencies missing for United Kingdom
Replies: 27
Views: 2812

Re: 5.740-5.840GHz Frequencies missing for United Kingdom

Thanks for responding Normis, Here we are, will send to support also: http://www.ofcom.org.uk/consult/condocs/powerlimits/power/ http://www.ofcom.org.uk/radiocomms/ifi/tech/interface_req/uk_interface_2007.pdf http://www.ofcom.org.uk/media/news/2007/05/nr_20070531 and http://www.ofcom.org.uk/radiocom...
by stephenpatrick
Mon Jun 11, 2007 1:29 pm
Forum: Wireless Networking
Topic: Sectored 4-radio base station or 4 separate radios?
Replies: 8
Views: 1876

Re: Sectored 4-radio base station or 4 separate radios?

A subject my co. invested a lot of time and effort on - it's not trivial to solve. Any high speed x86CPU (read: >500MHz) generates significant heat. The rest of the chipset also produces some heat, but assuming "laptop chipsets" (most desktop ones run hotter, avoid them), it's the CPU heat you need ...
by stephenpatrick
Mon Jun 11, 2007 12:47 pm
Forum: Wireless Networking
Topic: 5.740-5.840GHz Frequencies missing for United Kingdom
Replies: 27
Views: 2812

Re: 5.740-5.840GHz Frequencies missing for United Kingdom

"Yes Please" to updating UK wireless settings in ROS:

Latest OFCOM rulings
- 5.4GHz band now allocated
- Higher EIRP now on 5.8GHz

Any questions please ask-

Regards

CableFree Solutions
by stephenpatrick
Wed Jun 06, 2007 3:41 pm
Forum: RouterBOARD hardware
Topic: RouterBOARD 333 AND RouterBOARD 1000 - a preview ?
Replies: 78
Views: 24511

Re: RouterBOARD 333 AND RouterBOARD 1000 - a preview ?

Great post Hebeda, thanks for that. Looks like 5GHz support on the Atheros 50008XSPAN range will be useful: from their website http://www.atheros.com/pt/AR5008Bulletins.htm "2.300 to 2.500 GHz and 4.9 to 5.925 GHz" and no doubt there will be miniPCI and miniPCIe cards out based on the reference desi...
by stephenpatrick
Tue Jun 05, 2007 1:47 pm
Forum: RouterBOARD hardware
Topic: RouterBOARD 333 AND RouterBOARD 1000 - a preview ?
Replies: 78
Views: 24511

Re: RouterBOARD 333 AND RouterBOARD 1000 - a preview ?

In how much spectrum space? 20mhz? 40mhz? either The demo shown looks like the 802.11n demo is run in an indoor WLAN environment, with low gain omnis. Great stuff and am sure it'll be useful for hotspots etc. I guess in addition many people would really like to see some test results in outdoor P2P ...
by stephenpatrick
Thu May 24, 2007 3:07 pm
Forum: General
Topic: Support for Intel 82573L ?
Replies: 5
Views: 1763

Thanks very much for the response Normis.

So most likely it will work ... and I sense that "someone" might be us ...
will post up if/when have time and equipment to hand to do this.

Regards
by stephenpatrick
Thu May 24, 2007 12:01 pm
Forum: General
Topic: Support for Intel 82573L ?
Replies: 5
Views: 1763

**bump** ... anyone?
Would appreciate knowing the answer to this -

Regards
by stephenpatrick
Thu May 17, 2007 7:20 pm
Forum: RouterBOARD hardware
Topic: RouterBOARD 44G throughput
Replies: 14
Views: 3530

Interestingly, AFAIK a lot of commercial L3 routing switches use hardware switch fabric for L2 switching and then a CPU to do the L3 functions including routing, on the same platform. Examples of the silicon are Broadcom StrataXGS etc. and then a software routing stack is added to run on a CPU such ...
by stephenpatrick
Thu May 17, 2007 3:43 pm
Forum: General
Topic: Support for Intel 82573L ?
Replies: 5
Views: 1763

Support for Intel 82573L ?

Are Intel 82573L Gigabit Ethernet controllers supported in
ROS 2.9.x ?
ROS 3.0 beta?
If so, any known issues?
If not - if/when supported?

I couldn't see them on the 2.9 driver list documentation.
http://www.intel.com/design/network/pro ... /82573.htm

Regards
by stephenpatrick
Fri May 11, 2007 2:56 am
Forum: Wireless Networking
Topic: XR3
Replies: 26
Views: 3858

When is the card shipping in samples / volume?
by stephenpatrick
Wed May 02, 2007 3:49 pm
Forum: Wireless Networking
Topic: Spectrum Analyzer
Replies: 14
Views: 2799

That is NICE. Does Waverider use Atheros chipsets too? I think the motivation to build this in can be summarised: - some installers too mean/poor to buy a proper test set - avoid climbing towers in poor weather or if tower-trained staff not present - avoid driving to site - remote diagnostic - alrea...
by stephenpatrick
Sat Apr 28, 2007 1:39 pm
Forum: General
Topic: support to XR3 -??
Replies: 4
Views: 1622

Does anyone know if those cards are shipping yet?

Asked UBNT but no response yet -

Would be great to know -
by stephenpatrick
Wed Apr 25, 2007 9:21 pm
Forum: General
Topic: MPLS - what will you use it for?
Replies: 3
Views: 1644

Perhaps not a helpful answer to the question but it's very true: As an MT OEM many end customers are putting out tenders that insist on MPLS as a "required feature" (rightly or wrongly) for service-provider type networks. We don't have control over that process, i.e. usually the tender is already wr...
by stephenpatrick
Sat Apr 21, 2007 11:02 pm
Forum: RouterBOARD hardware
Topic: rb133c loses time after plugging/unplugging?
Replies: 2
Views: 1131

Answering the question,

"the RB doesn't have a battery"
so if you want correct time, use NTP -

Regards

CableFree Solutions
by stephenpatrick
Wed Apr 18, 2007 6:34 pm
Forum: General
Topic: 5GHz-turbo
Replies: 16
Views: 9452

NSTREAM2 is not allowed in cause of no DFS. (maybe a feature for next ROS).
Have just added to V3 Feature requests - please vote for it!
http://wiki.mikrotik.com/wiki/MikroTik_ ... e_Requests

Regards

CableFree Solutions
by stephenpatrick
Sun Apr 08, 2007 1:06 am
Forum: Wireless Networking
Topic: Wimax is here what is the solution MT
Replies: 13
Views: 2301

The reality is "WiMax is here" and not going to vanish. It has major vendor, government (regulatory) momentum behind it. Whatever the technical limitations or arguments, it's here and won't vanish. WiMax will not "go away" The time for WiMax is 2007/8 and after that, there will be major WiMax networ...
by stephenpatrick
Thu Apr 05, 2007 2:15 pm
Forum: General
Topic: Sugestion: Windows setup wizard for common configurations
Replies: 20
Views: 5873

instead of ssh you should use API - more functionality and all kinds of benefits.
Noted! I will tell our developers here.
by stephenpatrick
Thu Apr 05, 2007 2:10 pm
Forum: General
Topic: Sugestion: Windows setup wizard for common configurations
Replies: 20
Views: 5873

Isn't the obvious short-term solution to write the wizards using Visual Basic, compiled to .exe and running on a PC ? The VB could communicate using SSH or telnet to the box (we do this already with our own-brand RadioManager which gives deliberately-restricted access to our MT-based solutions) http...
by stephenpatrick
Wed Apr 04, 2007 3:29 pm
Forum: Wireless Networking
Topic: Problem with VIA EPIA EN12000
Replies: 3
Views: 940

Hi there This is MT's support forum, not mine - and MT don't like non-MT products discussed here, which is fair enough. That being said, those sorts of board don't compete against MT's current RB's so theres no competitive problem. Best drop me a line to: stephen <dot> patrick <at> cablefree <dot> c...
by stephenpatrick
Tue Apr 03, 2007 5:27 pm
Forum: Wireless Networking
Topic: Problem with VIA EPIA EN12000
Replies: 3
Views: 940

Re: Problem with VIA EPIA EN12000

the EPIA is a good platform Actually, consensus on EPIA for MT with wireless is "oh no it's not". Have seen PCI bus lockups even on the latest Via V4 CPU boards from other vendors, latest RouterOS V3. We evaluate new boards/chipsets all the time. I think for wired routers there are plenty of happy ...
by stephenpatrick
Mon Apr 02, 2007 11:59 am
Forum: General
Topic: Sangoma S518 ADSL Cards
Replies: 11
Views: 5357

Suggest: Put a vote for it on the Wiki: http://wiki.mikrotik.com/wiki/MikroTik_RouterOS/v3/Feature_Requests and encourage people to vote for it! Generally, there is a huge market for ADSL/wireless routers, namely domestic/home routers (market dominated by Netgear, Dlink etc). Not sure that's MT's ma...
by stephenpatrick
Fri Mar 30, 2007 3:12 pm
Forum: General
Topic: Kiss The Net (KTN) Beta available
Replies: 19
Views: 6170

It's very nice, but took several attempts till it ran to completion on a W2k machine in the office - several attempts made it crash i.e. program terminated.

So a couple of bug fixes and "yet another useful tool from MT" - well done.

Regards

CableFree Solutions
by stephenpatrick
Tue Mar 27, 2007 4:23 pm
Forum: Wireless Networking
Topic: Vote for new RouterOS features!
Replies: 10
Views: 2124

AFAIK, XR is not currently supported in RouterOS.
It's an Atheros-proprietary mode/feature.
If anyone knows better, please post here.

Regards

CableFree Solutions
by stephenpatrick
Mon Mar 26, 2007 1:43 pm
Forum: Wireless Networking
Topic: log / record RSSI?
Replies: 2
Views: 749

Log RSSI and SNR - much needed - vote for it as a V3 feature request on the WIKI -

Regards
by stephenpatrick
Sat Mar 24, 2007 11:17 am
Forum: RouterBOARD hardware
Topic: Ethernet errors on RB532a
Replies: 3
Views: 1354

Place your vote for ethernet port stats on the V3 Beta Request Wiki !

http://wiki.mikrotik.com/wiki/MikroTik_ ... e_Requests

Regards
by stephenpatrick
Fri Mar 23, 2007 10:55 pm
Forum: General
Topic: GPS wireless sync
Replies: 13
Views: 4720

Those are all relevant points - cheap "CM9 clones" or worse would be a bad choice for a system expecting any precision. I'd assume that high quality cards, such as the latest Ubiquity ones would be used at the base stations. That being said, other GPS-sync'd systems like MOTO canopy aren't exactly e...
by stephenpatrick
Fri Mar 23, 2007 7:11 pm
Forum: General
Topic: Vote for new RouterOS features!
Replies: 48
Views: 12247

Nice one - Interestingly, according to the manual ftp://ftp.commell.com.tw/COMMELL/support/MP954GPS/Manual/MP-954GPS.pdf it appears as UARTs (read: COM ports) i.e. the miniPCI contains PCI<>UART then UART<>GPS. So the situation is similar to a serial GPS module regarding timing I guess. No Linux dri...
by stephenpatrick
Fri Mar 23, 2007 7:05 pm
Forum: General
Topic: GPS wireless sync
Replies: 13
Views: 4720

IMHO that needs looking at a little more closely: If this is implemented, a few sensible assumptions - use cards all from the same vendor/type - not a mix/match - airside settings on each radio are similar or the same (modulation rate) - radios are on a common PCI bus - variants of the PCI bus clock...
by stephenpatrick
Fri Mar 23, 2007 1:50 pm
Forum: Wireless Networking
Topic: RB 133 or 153 Aviability
Replies: 9
Views: 1687

RB133C performance FYI - just got a pair in from MT to evaluate Environment - bench test - R52 radio cards, no antennas - BW test running *on* the routers (uses CPU power, sorry, didn't have time to set up the lab to run it *through* the routers) - 5GHz, Nstreme (polling, framer 3200, best fit), WDS...
by stephenpatrick
Fri Mar 23, 2007 1:20 pm
Forum: General
Topic: GPS wireless sync
Replies: 13
Views: 4720

A 1 sec GPS sync is fine. That's "GPS router clock sync", not "GPS wireless sync". As normis says, NTP = simplest/cheapest. IMHO the discussion on GPS wireless sync is the most interesting technically and the main thread "beta feature request" has some great comments so far. Regards CableFree Solut...
by stephenpatrick
Thu Mar 22, 2007 8:44 pm
Forum: General
Topic: Vote for new RouterOS features!
Replies: 48
Views: 12247

OK, I did 5 minutes more homework: http://www.embeddedstar.com/press/content/2002/4/embedded2741.html http://www.embeddedstar.com/press/content/2002/11/embedded5918.html and the vendor is ... http://www.trimble.com/tmg_acutime2k.shtml and a product/starter kit http://trl.trimble.com/docushare/dsweb/...
by stephenpatrick
Thu Mar 22, 2007 5:22 pm
Forum: Wireless Networking
Topic: 802.11n Support
Replies: 10
Views: 2364

Boro has that absolutely right - If you want a read-up, wikipedia isn't too bad: http://en.wikipedia.org/wiki/Multiple-input_multiple-output_communications http://en.wikipedia.org/wiki/802.11n#802.11n It's also interesting to read up on the chipsets that are already coming out - http://www.atheros-x...
by stephenpatrick
Thu Mar 22, 2007 12:42 pm
Forum: General
Topic: Vote for new RouterOS features!
Replies: 48
Views: 12247

Thanks for pointing that out Normis, clearly 30 secs wasn't enough - I will have to do some more homework :oops:
I am sure there is a solution out there - just need to find it -
by stephenpatrick
Wed Mar 21, 2007 8:04 pm
Forum: General
Topic: Why are folks asking for MPLS support?
Replies: 9
Views: 1943

... adding a comment from a vendor rather than user angle ... We sell own-brand products based on RouterOS running on our own HW. Many end-customer tenders require MPLS as a feature: as in "required not optional". These tenders tend to be for telecom or government network roll-outs. I'm sure many ne...
by stephenpatrick
Wed Mar 21, 2007 7:08 pm
Forum: General
Topic: GPS wireless sync
Replies: 13
Views: 4720

AFAIK there are 2 areas where GPS sync useful - within base site: all sector antennas transmit at once - improves frequency reuse and avoids interference between antennas - between base sites: adjacent base sites sync so they transmit at the same time, again avoiding interference between them. GPS-s...
by stephenpatrick
Wed Mar 21, 2007 6:50 pm
Forum: General
Topic: Vote for new RouterOS features!
Replies: 48
Views: 12247

I think there are some solutions for this. Certainly it can be done, there are solutions out there commercially available, i.e. accurate sync of serial-attached GPS. I had a quick (30 sec) websearch: http://lists.ntp.isc.org/pipermail/questions/2006-January/008797.html http://www.brigsoft.com/atomic...
by stephenpatrick
Mon Mar 19, 2007 3:04 pm
Forum: General
Topic: Vote for new RouterOS features!
Replies: 48
Views: 12247

cheating is not tolerated
Can we have another Wiki to "name and shame" the cheats ...
by stephenpatrick
Sun Mar 18, 2007 10:14 am
Forum: General
Topic: Feature REquest: graph of signal measurement
Replies: 5
Views: 1768

Agree - and make sure you vote for it on the Wiki page -
by stephenpatrick
Thu Mar 15, 2007 6:05 pm
Forum: Wireless Networking
Topic: Atheros extended range doesrx sensitivities of around -120!?
Replies: 5
Views: 1512

Support for XR has been asked for before.
I'm going to put it in the "beta feature request" on the Wiki now.
Anyone who wants further range/reach from their towers but at lower data rates, please vote for it. :-)

Regards

CableFree Solutions
by stephenpatrick
Mon Mar 05, 2007 12:48 am
Forum: General
Topic: v3 beta6: 8110SC support?
Replies: 2
Views: 1337

Great - will have to test this soon -
by stephenpatrick
Fri Mar 02, 2007 3:00 pm
Forum: General
Topic: BETA Testing and Feature Suggestions for next routeros
Replies: 329
Views: 75729

802.11s ?

Mesh networking standard -

http://en.wikipedia.org/wiki/IEEE_802.11s

Any comments from MT or various users? i.e. "useful or not" ...

Regards

CableFree Solutions
by stephenpatrick
Thu Mar 01, 2007 12:10 pm
Forum: General
Topic: v3 beta6: 8110SC support?
Replies: 2
Views: 1337

v3 beta6: 8110SC support?

*) added support for more network cards based on RTL8169 chip;
does that include Realtek 8110SC?

Otherwise, a nice long list of improvements ... hope to try soon.

Regards

CableFree Solutions
by stephenpatrick
Mon Feb 26, 2007 11:13 pm
Forum: RouterBOARD hardware
Topic: Just another "how many users" question
Replies: 2
Views: 1434

Nstreme **should** make P2MP more effective (users/BW per sector) BUT - ensure it's in a low-interference environment - use Routing not WDS/bridging There are quite a few experienced operators on the forum who have posted quite a bit on this topic. - Do you really think the 2.4GHz spectrum is "clean...
by stephenpatrick
Fri Feb 23, 2007 8:32 pm
Forum: General
Topic: BETA Testing and Feature Suggestions for next routeros
Replies: 329
Views: 75729

Re: How about...

A print server? **if** RouterOS were being used in residential CPE / consumer devices, competing with the likes of Dlink, Netgear, etc then the following would be really desirable compared to products currently on the market: - Print Server (using USB port) - NAS (USB or SATA drives presented as ne...
by stephenpatrick
Sat Feb 17, 2007 11:42 am
Forum: RouterBOARD hardware
Topic: Mikrotik - RB112 - Backhaul-PtP
Replies: 5
Views: 2519

What's your received signal levels?
Should not be higher than -40 and -60 is still a very good signal

Regards

CableFree Solutions
by stephenpatrick
Fri Feb 16, 2007 6:20 am
Forum: Wireless Networking
Topic: hotspot power range
Replies: 2
Views: 740

A sectored design with 2,3 or 4 sector antennas (and associated radios) would help. Without increasing TX power, but increasing the "gain" in the direction of the subscriber/user helps the link budget in both ways (TX + RX) even if the user has just a laptop or PDA client. However, if they are regul...
by stephenpatrick
Wed Feb 14, 2007 8:46 pm
Forum: RouterBOARD hardware
Topic: Mikrotik - RB112 - Backhaul-PtP
Replies: 5
Views: 2519

Actually, we tested them, and they will run fine with Nstreme, just not very fast - say 10Mbps on a P2P link. turn off Turbo mode, that's not necessary or a good idea - and uses up still more CPU power. Also in 2.4GHz you are likely to suffer interference in the 40MHz band. Use 20 or 10MHz channels....
by stephenpatrick
Sat Feb 10, 2007 12:06 pm
Forum: General
Topic: New Intel chipset
Replies: 2
Views: 1373

New Intel chipset

Here's a suggestion for a future high-end Routerboard

http://www.hkepc.com/bbs/itnews.php?tid=738057

Looks just about perfect -

Regards
by stephenpatrick
Sat Feb 10, 2007 1:51 am
Forum: General
Topic: BETA Testing and Feature Suggestions for next routeros
Replies: 329
Views: 75729

it is, but until now, we have not received any important feature requests. Well, we've contributed a few, and we sure hope they are on the MT roadmap: -IPV6 -Multicast support especially IPTV style deployments -SNMP V2, 3 -MPLS -Temperature and voltage monitoring on all platforms including x86 -Int...
by stephenpatrick
Sat Feb 10, 2007 1:42 am
Forum: General
Topic: BETA Testing and Feature Suggestions for next routeros
Replies: 329
Views: 75729

About temp monitoring; I also think temp on x86 is not nearly as important as temp monitoring on the routerboard series. They are outside in remote locations with unstable environmental conditions and being able to monitor your equipment gives you better uptime in the long run. Ahem, not to quibble...
by stephenpatrick
Fri Feb 09, 2007 2:33 am
Forum: Wireless Networking
Topic: Xtreme Ubiquiti Range 2/3/5
Replies: 8
Views: 2253

I saw info on those a short while back, very interesting. IMHO they are probably most suited to "base station" and P2P products, but haven't seen pricing yet, to see they would be fit in CPE models. Certainly the high TX power would help wide angle BS sectors particularly at 5GHz. "Nice one" UBNT - ...
by stephenpatrick
Thu Feb 08, 2007 2:20 pm
Forum: General
Topic: BETA Testing and Feature Suggestions for next routeros
Replies: 329
Views: 75729

Thanks Janisk, Thanks very much for the response. IMHO the current size of ROS isn't a problem on x86 - sure it might be when on an embedded routerboard with soldered-down flash - but the larger x86 boxes tend to run from compactflash or DOM where 256MB is not cost-prohibitive - and it's on those wh...
by stephenpatrick
Wed Feb 07, 2007 3:00 pm
Forum: General
Topic: BETA Testing and Feature Suggestions for next routeros
Replies: 329
Views: 75729

It would be good to be able to check CPU temprature and fan speed.
Ditto, several of our customers have asked for this, specifically on x86 hardware.
We have asked MT directly - AFAIK it's a matter of development priorities, so anyone else who wants this, best to ask now also.

Regards
by stephenpatrick
Wed Feb 07, 2007 11:11 am
Forum: Wireless Networking
Topic: VOIP performance and advice
Replies: 16
Views: 2961

DirectWireless, what you are proposing would be VERY clever if it works, and if you do, please do post some results. I'm sure a lot of people would like to hear more. I thought Nstreme2 only worked in P2P, but you are proposing doing this at the network layer. the "level of improvement" over regular...
by stephenpatrick
Tue Feb 06, 2007 5:10 pm
Forum: Wireless Networking
Topic: VOIP performance and advice
Replies: 16
Views: 2961

NStreme, WDS and VoIP in a low noise PtMP environment.
Is there a P2MP problem with Nstreme and WDS, especially with VOIP?
Anyone else experienced this?

Regards

CableFree Solutions
by stephenpatrick
Tue Feb 06, 2007 2:01 am
Forum: RouterBOARD hardware
Topic: New Routerboards?
Replies: 71
Views: 17769

Interesting George - and provokes a good debate: Consider: "Mikrotik running on 3rd party hardware platforms" [Hey - we know a bit about that - that's what we do as an MT OEM] vs. "Mikrotik running on MT's own Routerboards" [what most readers on this forum are doing] AFAIK none of the "otherOS's" ma...
by stephenpatrick
Tue Feb 06, 2007 12:23 am
Forum: Wireless Networking
Topic: VOIP performance and advice
Replies: 16
Views: 2961

Nstreme and VOIP - or Nstreme and WDS and VOIP?
P2P or P2MP?
Low or high interference environment?

Would be interesting to hear more detail -

Regards

CableFree Solutions
by stephenpatrick
Mon Feb 05, 2007 10:19 pm
Forum: RouterBOARD hardware
Topic: New Routerboards?
Replies: 71
Views: 17769

Ahem - Some of this criticism isn't quite right. Not everyone needs "jury-rigged" hardware for high speed wireless links - that's not true or fair. Complete such products exist already today. Without any shameless plug, but to defend Mikrotik's business model - For example our co is a Mikrotik OEM a...
by stephenpatrick
Mon Feb 05, 2007 4:44 pm
Forum: General
Topic: all features of winbox in webbox
Replies: 14
Views: 4472

I don't think it's desirable either - Webbox should be kept simple, preferably for end users who should not be able to tweak or "break" to many thanks. Next question: can we have "branding" for web-box? Think it could be made as simple as a drop-in .GIF with logo of a predetermined size, and maybe a...
by stephenpatrick
Sat Feb 03, 2007 10:59 pm
Forum: Wireless Networking
Topic: MT v3.0b5 - CSMA Disable Throughput Data
Replies: 14
Views: 12714

Were you in any way close to CPU max ?
Nstreme uses up a lot of CPU% on slower boards.
If the CPU is anywhere near max, you would see some variation for sure.

Regards

CableFree Solutions
by stephenpatrick
Sat Feb 03, 2007 1:52 pm
Forum: Wireless Networking
Topic: MT v3.0b5 - CSMA Disable Throughput Data
Replies: 14
Views: 12714

We've not had time to clear the lab and try the CSMA-disable yet in the new Beta, so can't contribute in terms of experience. But a general note, Nstreme does "packet reprocessing", putting data into "frames". In a high-noise environment, loss of a "frame" can affect more than one packet, which migh...
by stephenpatrick
Wed Jan 31, 2007 1:27 pm
Forum: Wireless Networking
Topic: Wi-Max miniPCI support
Replies: 26
Views: 7300

Very interesting Martin - Thanks for your input. One note: mikrotik is not opensource or linux based Current MT 2.9 based on Linux 2.4, the new 3.0 is based on Linux 2.6 from what I was told. But correct, it is not open source. I think the cost of the SDK, lack of an opensource Wavesat driver, and i...
by stephenpatrick
Tue Jan 30, 2007 11:56 pm
Forum: Wireless Networking
Topic: Extended frequency reqiured for 2.7-2.9 Ghz
Replies: 39
Views: 6876

Wow!
400 MHz to over 40GHz!
Now I want that radio card ....

[seriously, that's really strange. An ROS/card compatibility, or is the card damaged?]
by stephenpatrick
Mon Jan 29, 2007 3:22 pm
Forum: General
Topic: RTL8110SC Realtek Chipset
Replies: 9
Views: 2792

Any updates/comments from MT people on this please?

Would be greatly appreciated -

Regards

CableFree Solutions
by stephenpatrick
Fri Jan 19, 2007 11:07 pm
Forum: Wireless Networking
Topic: 20MHz 40MHz 60MHz . . . . 160MHz - Up-to 400Mbit/s!!
Replies: 8
Views: 4499

... actually just checking all the latest Atheros chipsets, including XSPAN (draft 802.11n) the maximum modulation rate seems to be 64QAM http://www.atheros.com/pt/AR50083NX.htm OFDM with BPSK, QPSK, 16 QAM, 64 QAM; DBPSK, DQPSK, CCK and the 5005VA seems the same. Checking 802.11n draft specs, seems...
by stephenpatrick
Fri Jan 19, 2007 3:11 pm
Forum: General
Topic: SNMP
Replies: 54
Views: 26976

Is there going to be support for SNMPV3 ?

[asked for by some major potential customers]

Regards

CableFree Solutions
by stephenpatrick
Thu Jan 18, 2007 1:32 am
Forum: Wireless Networking
Topic: 20MHz 40MHz 60MHz . . . . 160MHz - Up-to 400Mbit/s!!
Replies: 8
Views: 4499

Actually both product websites are **highly misleading**. In both cases they appear to be using standard Atheros chipset cards running in Turbo modes, 40MHz channels giving raw bit rates of 108Mbps using OFDM QAM64 mode. I don't understand the "QAM256" claim on airtegrity's website, that does not co...
by stephenpatrick
Wed Jan 17, 2007 8:10 pm
Forum: General
Topic: RTL8110SC Realtek Chipset
Replies: 9
Views: 2792

Yes, I saw that: Netinstall sees it, but not RouterOS when running.

Hope they put it in Beta 6 -
by stephenpatrick
Wed Jan 17, 2007 7:28 pm
Forum: Wireless Networking
Topic: Trying to build a great backhaul setup with WM components.
Replies: 2
Views: 683

"how good are the filters ?" is the question that springs to mind - the worst aspect would be self interference with the TX of one radio upsetting the RX of the other radio. Obviously the lower of the RX signal the more severe this problem would be. Guess you could try this in the lab and get a quic...
by stephenpatrick
Wed Jan 17, 2007 7:22 pm
Forum: General
Topic: RTL8110SC Realtek Chipset
Replies: 9
Views: 2792

Still no support in Beta5 - just tried today.

Please can we have support in the next one please?

Many thanks

Regards
by stephenpatrick
Thu Jan 11, 2007 11:01 am
Forum: Wireless Networking
Topic: Best Dual-Polar Antenna for 5.8GHz ?
Replies: 12
Views: 1961

Dear Brad, Thanks for the feedback on Radiowaves and Gabriel. We too got quotes for both, Gabriel is cheaper and much shorter quoted lead time. Are you using them for "full duplex" modes with Trango? Or just for "polarity hopping"? I ask the question because "full duplex" puts a lot greater demand o...
by stephenpatrick
Tue Jan 09, 2007 11:51 pm
Forum: General
Topic: RTL8110SC Realtek Chipset
Replies: 9
Views: 2792

You are right the drivers were not in Beta 4. We have not had time to try Beta 5 yet.
This chipset is now widespread, and there ARE linux 2.6 drivers for it, so anyone who needs it keep up a (reasonable!) petition. Am sure MT will respond or just add it in and let us find it ...

Regards
by stephenpatrick
Tue Jan 09, 2007 11:33 pm
Forum: Wireless Networking
Topic: Best Dual-Polar Antenna for 5.8GHz ?
Replies: 12
Views: 1961

Well, perhaps this should be another thread, and there's plenty form a search the archives from diverse apps/users, but from us: http://www.cablefreesolutions.com/pdf/PR%20200Mbps%20Radio%20Base%20Stations%20-%20Final.pdf is the P2MP test. Of course that's in the lab, and real-world performance is g...
by stephenpatrick
Tue Jan 09, 2007 11:18 pm
Forum: Wireless Networking
Topic: Rb112 R52 - r52 Rb112 the best cfg
Replies: 6
Views: 1458

That's probably the very best anyone has got from that platform. It can be really great as a CPE but P2P links are limited by the CPU. The basic rules are: - raw 802.11 (nstreme off) less CPU utilisation, but bad at max capacity and range due to ACK timing and small packet performance - Nstreme on m...
by stephenpatrick
Tue Jan 09, 2007 10:13 pm
Forum: General
Topic: RTL8110SC Realtek Chipset
Replies: 9
Views: 2792

... asked for, no response yet, awaited ... yes please ...
by stephenpatrick
Tue Jan 09, 2007 4:51 pm
Forum: Wireless Networking
Topic: Best Dual-Polar Antenna for 5.8GHz ?
Replies: 12
Views: 1961

60Mbps+ FDX But, only with one wireless card on each site? 2,4 or 5GHz? Turbo? Nstreme? 60Mbps+ FDX was 2 radio cards, Turbo, 5GHz band, Nstreme2 using our AMD 'NX'-powered outdoor-grade HPR boxes. It IS possible to go faster, there is a doc on our site showing 200Mbps bridged throughput P2MP with ...
by stephenpatrick
Tue Jan 09, 2007 1:18 pm
Forum: Wireless Networking
Topic: Best Dual-Polar Antenna for 5.8GHz ?
Replies: 12
Views: 1961

Thanks for the reply!
Yes we've tested the MTI 23dBi dual-pol flat panel and it works great in the lab even at full speed 80Mbps HDX and 60Mbps+ FDX.
Not tested Gabriel, that sounds a good tip - thanks very much
Anyone else with good/bad/ugly experiences ?

Regards

CableFree Solutions
by stephenpatrick
Tue Jan 09, 2007 1:14 pm
Forum: Wireless Networking
Topic: 2.4GHz XPerinces
Replies: 6
Views: 907

Why not put up your own tree :-) http://my.core.com/~lbutler/Tree1.JPG static.flickr.com/6/5449173_8cb6b06012_m.jpg http://www.scotland.gov.uk/Resource/Img/1103/0006644.jpg and some nice examples of concealed antennas and masts in this planning document http://www.scotland.gov.uk/Publications/2001/0...
by stephenpatrick
Mon Jan 08, 2007 6:25 pm
Forum: Wireless Networking
Topic: Best Dual-Polar Antenna for 5.8GHz ?
Replies: 12
Views: 1961

Best Dual-Polar Antenna for 5.8GHz ?

Hi there, Any "happy" or otherwise reports for which dual-polar 5.xGHz antennas to specify? Customers want 12-18km links, 50Mbps+ FDX. Would appreciate comments from other users - have heard mixed reports on various brands. Would be nice to generate a really useful list - Regards CableFree Solutions
by stephenpatrick
Mon Jan 08, 2007 6:21 pm
Forum: Wireless Networking
Topic: 2.4GHz XPerinces
Replies: 6
Views: 907

... copper nails ...

[honestly never done it, but gather it works -]
by stephenpatrick
Fri Jan 05, 2007 2:52 pm
Forum: General
Topic: IP scanner blocker
Replies: 31
Views: 19095

Oops looks like I was commenting somewhat ignorantly !
... thanks for educating me people ...
but ways of spotting other types of scans does sound useful.
I'll watch this thread with interest -
by stephenpatrick
Fri Jan 05, 2007 2:16 pm
Forum: General
Topic: IP scanner blocker
Replies: 31
Views: 19095

I'm not an expert on this topic but: At home I have a Netgear ADSL router. On one config page it has a couple of check-boxes for "DOS prevention" and "port-scan-detect". i.e. if nasty people out on the net are trying to break in or take down the network by DOS, it takes some action, presumably ignor...
by stephenpatrick
Wed Jan 03, 2007 3:14 pm
Forum: Wireless Networking
Topic: a/b/g mode
Replies: 38
Views: 7855

AFAIK
XR (Extended Range) is a real feature of the chipset.
It allows the radio to receive at lower levels than normal WiFi, probably compromising PER to do it.

XR support has been asked for before - [on:off]

Would be nice if there's a response on that.

Regards

CableFree Solutions
by stephenpatrick
Tue Jan 02, 2007 10:52 am
Forum: General
Topic: atheros AR5008X wifi n
Replies: 30
Views: 8216

Wireless is unrealistic for gigabit speeds.
.. Laser (FSO) or Millimeter Wave (MMW) can do 1.25Gbps FDX ...
at a much lower cost than fibre.

Still, I'm really looking forward to see what the 802.11n can do using MT.
Keep up the good work -

Regards

CableFree Solutions
by stephenpatrick
Thu Dec 28, 2006 1:04 am
Forum: Wireless Networking
Topic: Hardware for High Speed link
Replies: 13
Views: 1858

... well, it's nice to be anticipated .... ;-) Low power and high performance is a real issue for all compute platforms. To get non-CPU-constrained wireless performance on current RouterOS you need high speed x86 platforms. AFAIK that's because the "software defined radio" of latest chipsets like At...
by stephenpatrick
Mon Dec 11, 2006 3:39 pm
Forum: General
Topic: How much Mikrotik can Handle
Replies: 42
Views: 8469

Just FWIW, PCI performance depends on what PCI you are comparing: http://en.wikipedia.org/wiki/PCI_bus Regular PCI has 33MHz clock, and is 32 bits wide. PCI 2.2 doubles that. In practice we have found you can get about 750Mbps through a PCI-based Gigabit NIC one way - bus, not CPU limiting. It depen...
by stephenpatrick
Sat Nov 25, 2006 11:49 am
Forum: RouterBOARD hardware
Topic: SIGWATCH on RB112 - again...
Replies: 6
Views: 2090

AFAIK you could connect it to handshaking pins on the serial port (simple level conversion probably needed) and use a script to report the value (1:0)

Regards
by stephenpatrick
Wed Nov 22, 2006 6:06 pm
Forum: Wireless Networking
Topic: Access Point
Replies: 23
Views: 3376

.. just a few more cents ... GPS-sync is a standard feature in many types of wireless base stations - for example, GSM base stations, and some "other" WISP systems. There are a couple of major reasons AFAIK: - synchronise radios within the base station, so they only TX at the same time: minimises ad...
by stephenpatrick
Tue Nov 21, 2006 5:07 pm
Forum: RouterBOARD hardware
Topic: PoE Disable on RB112
Replies: 3
Views: 1696

Suggest you post the make and model of injectors for comment:

There are good and bad ones -

Regards

CableFree Solutions
by stephenpatrick
Wed Nov 08, 2006 10:19 pm
Forum: Wireless Networking
Topic: Deaf on Arrival
Replies: 8
Views: 1657

Interesting discussion: Generally, you should always have some sort of antenna connected, otherwise the radio "sees" an open-circuit, where it should have a 50 ohm impedance load. open circuit means power reflected back into the radio, which potentially cause damage (on very high power radio transmi...
by stephenpatrick
Wed Nov 08, 2006 8:47 pm
Forum: General
Topic: 3.0 beta 3 bug report(s)
Replies: 18
Views: 6610

Just noticed today, No support yet for RTL8111B Gigabit Ethernet chipset in Beta 3 "Realtek RTL8111B PCI-E Gigabit LAN " Please can we have this added? Would be great. Drivers for Linux2.4 and 2.6 are here: http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=5&Level=5&Conn=4...
by stephenpatrick
Sat Nov 04, 2006 1:49 am
Forum: Wireless Networking
Topic: Hardware for highest possible throughput
Replies: 7
Views: 2044

This should be possible with ROS and high speed hardware. We demonstrated this: http://www.cablefreesolutions.com/pdf/PR%20200Mbps%20Radio%20Base%20Stations%20-%20Final.pdf with standard shipping outdoor-grade passively-cooled 1GHz AMD 'NX' powered MT-based routers. That was P2MP, but with Nstreme2,...
by stephenpatrick
Sat Nov 04, 2006 1:27 am
Forum: Wireless Networking
Topic: Bandwidth capacity of Mikrotik RB112/153
Replies: 11
Views: 2240

Well, I never got **asked to appear** before ... But thank you anyway - High speed MT-based outdoor-grade waterproof x86 router platforms are something we spent a lot of time perfecting - now well-established solutions with 1GHz AMD 'NX' CPU a preferred option. Best to contact me off-forum, as this ...
by stephenpatrick
Wed Sep 06, 2006 5:42 pm
Forum: Wireless Networking
Topic: Specs for normal nstream
Replies: 7
Views: 1186

No, there is no such option in Dual Nstreme. But depending on routing/bridging requirements of the network, I reckon some pretty smart scripts could be written to do this. Re-config the radios into single-radio Nstreme master/slave ignoring the second radio card. Possibly using "loss of connectivit...
by stephenpatrick
Tue Sep 05, 2006 6:29 pm
Forum: Wireless Networking
Topic: 15 km link, 5 Mbita, RIC/522, Possible?
Replies: 8
Views: 1346

IMHO the problem is the antenna gain, not the output power.
You can go 20km+ easily with an R52 or CM9, but using higher gain antennas than the 22dBi in that product.
Suggestion: buy an outdoor grade RB and high gain antennas.

Regards

CableFree Solutions
by stephenpatrick
Thu Aug 24, 2006 5:09 pm
Forum: Wireless Networking
Topic: 802.11n Vs WiMax and what is MK waiting for ?
Replies: 7
Views: 1897

There was an excellent post by Patrick Leary of Alvarion on WISPA http://mail.wispa.org/pipermail/wireless/2006-June/026231.html including "the 802.16 MAC is poorly suited as written for unlicensed bands since it assumes no competition for the air and has no mechanism for battling interference" Sure...
by stephenpatrick
Wed Aug 23, 2006 9:50 pm
Forum: RouterBOARD hardware
Topic: Monitoring of battery voltage via winbox
Replies: 55
Views: 15561

That's a neat workaround. Another solution would be to put a comparitor IC and level shifter on an RS232 port - a pretty simple circuit. Then use MT's "serial port monitor" to give you an indication. http://www.mikrotik.com/docs/ros/2.9/tools/sigwatch If you were being really clever, a more complex ...
by stephenpatrick
Wed Aug 23, 2006 9:41 pm
Forum: Wireless Networking
Topic: Support for 802.11f "Inter-Access Point Protocol"
Replies: 1
Views: 1168

I have just answered my own question. "IEEE 802.11F was a Trial Use Recommended Practice. The IEEE 802 Executive Committee approved its withdrawal on November 18, 2005." i.e. it's no longer a supported standard - the problem being "The handover delay is too long to support applications like voice an...
by stephenpatrick
Wed Aug 23, 2006 9:30 pm
Forum: Wireless Networking
Topic: 802.11n Vs WiMax and what is MK waiting for ?
Replies: 7
Views: 1897

WiMAX is designed and optimised for licensed bands, with an "operator model" i.e. those prepared to buy licenses and roll networks nationwide. The MAC can't cope with interference, as there isn't expected to be any. WiMAX has "fixed" (=d) and "mobile" (=e) variants. Most people expect the latter to ...
by stephenpatrick
Mon Aug 21, 2006 4:58 pm
Forum: Wireless Networking
Topic: Support for 802.11f "Inter-Access Point Protocol"
Replies: 1
Views: 1168

Support for 802.11f "Inter-Access Point Protocol"

Hi there,

Anyone know what the support/timeline would be for support of this feature in MT?
"Fast secure roaming" is apparently a benefit.
It's appearing in tenders for WiFi.

Regards,

Stephen
by stephenpatrick
Thu Aug 10, 2006 10:33 pm
Forum: Wireless Networking
Topic: Nstreme question: what latency at long range?
Replies: 10
Views: 2488

Nstreme question: what latency at long range?

Hi all, Can those who have put in real-life Nstreme links at long range (20 - 50 miles) indicate what latency (msec) you are seeing on the links? We have a possible customer who is asking. AFAIK it will depend on CPU speed, modulation rate/setting, and Frame size. We have the short-range (<10km) res...
by stephenpatrick
Thu Aug 10, 2006 3:58 pm
Forum: General
Topic: multicast support in polling
Replies: 7
Views: 2619

I'd like to see comments here too:
We have this as a "real" problem with CCTV system where the codecs often use multicast.
Users see "multiple copies" on the airside, so we had to do tricks with filtering to block them.

Regards

CableFree Solutions.
by stephenpatrick
Wed Aug 02, 2006 3:35 pm
Forum: Wireless Networking
Topic: Atheros driver bug, system lock-up!!!!
Replies: 11
Views: 2693

The problems occur with all EPIA M and V boards and 3 other "via-powered" boards from other vendors that I know of.
It is a PCI bus lockup, console still works but the network interfaces are dead.

Sorry folks, advice is: just don't bother trying to get this to work.

Regards
by stephenpatrick
Mon Jul 31, 2006 8:52 pm
Forum: Wireless Networking
Topic: DFS
Replies: 4
Views: 1380

Best read the manual on DFS It's legally required for EU/ETSI zones MT implementation allows selection of the "radar detect" feature which listens before switching over to a channel - and clients are offline whilst this happens. You can put in freqs you prefer in the "scan" list to constrain it's op...
by stephenpatrick
Mon Jul 17, 2006 9:15 pm
Forum: Wireless Networking
Topic: pci to 4 minipci is it worth
Replies: 10
Views: 1926

That's what people are saying. I don't have a detailed CM9-R52 comparison for this myself. However we have done "antenna co-location" tests using R52 and you can amazingly close for adjacent channels, much better than expected. Having "received power levels similar" is one of the vital tricks: if yo...
by stephenpatrick
Mon Jul 17, 2006 8:40 pm
Forum: Wireless Networking
Topic: pci to 4 minipci is it worth
Replies: 10
Views: 1926

I can't answer your question definitively, but can say in our test (200Mbps aggregate on 5 wireless cards) IRQs were shared, and still this performance was achieved. The performance of PCI bus is greater than 100MHz and capable of ~1Gbps throughput: your ping variations are in milliseconds? More lik...
by stephenpatrick
Mon Jul 17, 2006 11:26 am
Forum: Wireless Networking
Topic: pci to 4 minipci is it worth
Replies: 10
Views: 1926

Hi there We've used this solution to demonstrate 5 radio cards running simultaneously in one system, with 200Mbps of bridged wireless<>ethernet test traffic split between the 5 cards. There's a description on our website http://www.cablefreesolutions.com FWIW. It was necessary to disable a lot of ot...
by stephenpatrick
Fri Jul 14, 2006 3:24 pm
Forum: General
Topic: How RouterOS establish port mirroring?
Replies: 8
Views: 1118

Yes it's a standard feature on L3 managed switches, even the cheap ones from Netgear etc. There are a number of reasons for doing this including trouble-shooting and network management I would imagine it's **possible** to implement in ROS but it's not there yet AFAIK. Experts may want to comment ......
by stephenpatrick
Wed Jul 12, 2006 10:23 pm
Forum: Wireless Networking
Topic: Mikrotik Quality?
Replies: 10
Views: 2859

Hi there With MT you get a great feature & quality OS, with a "community support" (mostly here, also some lists) with real experts (as well as beginners). You also get some great HW components. The question is, do you want to buy a completed system (such as the vendors you mention), with the level o...
by stephenpatrick
Wed Jul 12, 2006 2:43 pm
Forum: Wireless Networking
Topic: tx power and the signal...
Replies: 10
Views: 2903

Hi all I think it's best to quote the exact card (make/model) on each end of your link, with the results, otherwise MT are not going be able to make much sense of it. AFAIK each radio card has a different look-up table, set by the manufacturer and some of them might not be inaccurate. Am sure MT hav...
by stephenpatrick
Wed Jul 12, 2006 1:28 am
Forum: Wireless Networking
Topic: tx power and the signal...
Replies: 10
Views: 2903

With log powers (dBm) you ADD the values: i.e. a -3db change in TX power affects the receiver by -3dB also. The results published suggest some non-linearity, most likely someones card is not reporting correctly. Also note, TX power varies with modulation rate in most cases, so a "good" link with goo...
by stephenpatrick
Wed Jul 12, 2006 12:42 am
Forum: RouterBOARD hardware
Topic: Problem with a RouterBoard 44
Replies: 6
Views: 1767

Sometimes you have to disable use of some IRQs in BIOS also.
by stephenpatrick
Wed Jul 12, 2006 12:34 am
Forum: General
Topic: multicast support in polling
Replies: 7
Views: 2619

A great deal of clear-thinking in that post - I'd agree with the IPTV comments also, we face that right now with some prospective customers. In-router and airside management of multicast traffic needs to be added, or "lack of market share/penetration" will happen.... ... for the excellent RouterOS w...
by stephenpatrick
Tue Jul 04, 2006 3:39 pm
Forum: RouterBOARD hardware
Topic: Proper Grounding of RB
Replies: 3
Views: 1937

Grounded to the tower/pole earth, or indoor mains ground earth?

I'm guessing the former, or the radio card would suffer/fail in the case of surges.

Regards
by stephenpatrick
Fri Jun 30, 2006 8:07 pm
Forum: Wireless Networking
Topic: What do I need to get a 40-60Mbps PtoP link going?
Replies: 9
Views: 3529

Claim or reality? Using Turbo mode (40MHz channel) Screenshot of NMS from full-speed lab testing, 83Mbps UDP traffic with ~20% CPU load http://www.cablefreesolutions.com/radio/HPR%20lab%20testing%20UDP.png Screenshot of NMS from full-speed lab testing, 74Mbps TCP/IP traffic with ~20% CPU load http:/...
by stephenpatrick
Thu Jun 29, 2006 10:43 am
Forum: General
Topic: Wifi N orWIFI Draft N
Replies: 4
Views: 2087

That's great to hear. In an "indoor access point" hotspot, the MIMO capabilities should increase range/coverage.
Higher throughput is of course also desirable by some customers.

Regards

Stephen
by stephenpatrick
Wed Jun 21, 2006 10:35 am
Forum: General
Topic: motherboard cpu temperature
Replies: 17
Views: 7224

I've just emailed support ...
by stephenpatrick
Tue Jun 20, 2006 5:39 pm
Forum: General
Topic: motherboard cpu temperature
Replies: 17
Views: 7224

CPU temperature as a minimum.
System temperature would be nice.

If MT would like a list of boards etc to support I think we should all either post "known good / commonly used" boards or send them in to support@

Regards

CableFree Solutions
by stephenpatrick
Fri Jun 02, 2006 5:32 pm
Forum: Wireless Networking
Topic: Power Meter shows only 100mW from SR5
Replies: 43
Views: 5847

How to keep 10,000 Mikrotik users in suspense .....

... keep reading this thread ... :-)
by stephenpatrick
Fri Jun 02, 2006 3:42 pm
Forum: Wireless Networking
Topic: Power Meter shows only 100mW from SR5
Replies: 43
Views: 5847

We tested IXP 425 533MHz with other (non-MT) software. Actually the hardware is very impressive, with ethernet - wireless bridged throughput as fast as the best x86 platform, i.e. no CPU bottleneck. however that software wasn't complete enough for us to use "for real", so it's left sitting in the la...
by stephenpatrick
Thu Jun 01, 2006 3:43 pm
Forum: Wireless Networking
Topic: Power Meter shows only 100mW from SR5
Replies: 43
Views: 5847

That's an Intel IXP "X-scale" CPU board. No ROS support on that.
I have a couple of those with some other software running on them.
Performance is quite impressive but without a decent OS (and I mean RouterOS) it's not so useful. So they're sitting around unused.

Regards

CableFree Solutions
by stephenpatrick
Thu May 25, 2006 7:17 pm
Forum: General
Topic: motherboard cpu temperature
Replies: 17
Views: 7224

It's been asked for, several times.
"me too" from quite a few users.

There are Linux drivers to do this, well documented on the web.

So I guess it's either "difficult" or not on the MT priority list.

Feedback from MT would be appreciated -

Regards

CableFree Solutions
by stephenpatrick
Sat May 20, 2006 3:57 pm
Forum: Wireless Networking
Topic: How to set AD-HOC mode to PCI wireless card?
Replies: 7
Views: 1142

New level 4 does.

Upgrade your OS probably willl fix it.

Regards

CableFree Solutions
by stephenpatrick
Thu May 11, 2006 11:23 am
Forum: Wireless Networking
Topic: 2.9.23 crashing problem on Via EIPIA-ML motherboards ...
Replies: 1
Views: 644

Welcome to VIA boards .... :-(
by stephenpatrick
Tue May 09, 2006 12:54 pm
Forum: Wireless Networking
Topic: Issue with client Intel 3945abg
Replies: 27
Views: 6161

Same problem with Intel "centrino" laptop, does not see AP if in "b/g" mode, but sees it if AP in "b-only" mode. Also sometimes have problems with some PDAs not seeing the AP at all. Would be nice to know the solutions. In a hotspot environment, we need best intercompatibility with "brand X" devices...
by stephenpatrick
Tue May 09, 2006 12:42 pm
Forum: Wireless Networking
Topic: Atheros MiniPCI 630mW!!!
Replies: 2
Views: 1264

We have one of those cards, and tested it a few months back. There is an "A" version which is even more interesting. The "A" version does work in Mikrotik, with good clean high-speed throughput. The chipset is the same as CM9, just with a high power TX amplifier. We did have stability/throughput pro...
by stephenpatrick
Mon May 08, 2006 2:05 am
Forum: General
Topic: booting from usb sticks?
Replies: 22
Views: 7008

.. Backup and Restore to USB sticks would be even more useful too ..
by stephenpatrick
Mon May 08, 2006 2:02 am
Forum: Wireless Networking
Topic: RouterBOARD 112 Wireless Performance test
Replies: 9
Views: 4993

Probably because it's CPU limited. One setting uses more CPU cycle than the other.

Would be nice to hear from other users which the "preferred" nstreme framer setting is -

Regards
by stephenpatrick
Mon May 08, 2006 1:58 am
Forum: Wireless Networking
Topic: CM9 vs R52 cards: what a difference?
Replies: 13
Views: 4442

FYI
Both cards will do "5GHz Turbo".
If you are having problems then it's most likely a specific configuration issue, or a ROS-version-specific bug.

Regards
by stephenpatrick
Fri May 05, 2006 11:25 pm
Forum: Wireless Networking
Topic: reading board/cpu temperature
Replies: 7
Views: 2169

Well, that's a **great idea**.
Any commercial low-cost ones out there? Suggestions?
Otherwise, hack one together ...

It would make sense for all PC-based MT boxes, i.e. even if you use a "beige box" PC as a router, if a fan fails, you would like to know ....

Regards

Stephen
by stephenpatrick
Fri May 05, 2006 11:03 pm
Forum: Wireless Networking
Topic: reading board/cpu temperature
Replies: 7
Views: 2169

Hi Arco, Sadly, answers are no, and no. It's been asked for before. Apparently, in general linux OS builds it has been done before, i.e. apps that read out the temp sensors even for diverse types of motherboards. Either it's not top of MT's priority list, or they don't want to do it, or it's much ha...
by stephenpatrick
Fri May 05, 2006 10:56 pm
Forum: RouterBOARD hardware
Topic: Speed/capabiity of ethernet router
Replies: 7
Views: 2851

Umm... in that test, they had 4x RB 532's in parallel, each handling 1/4 the traffic - the aggregate was handled by P4's according to the information on the website. Still, that would be an impressive 75Mbps per RB532 on ethernet<>wireless (have never seen anything like that myself on RB532's using ...
by stephenpatrick
Wed May 03, 2006 10:50 pm
Forum: Wireless Networking
Topic: RTS/CTS
Replies: 1
Views: 645

Nope, it doesn't, and it's been asked for before.
To some extent "polling" helps instead in P2MP with Nstreme.

Regards

CableFree Solutions
by stephenpatrick
Mon May 01, 2006 9:33 pm
Forum: General
Topic: WiMAX DM256 Chipset
Replies: 1
Views: 1804

It's been asked for ...
see other threads -
by stephenpatrick
Mon May 01, 2006 8:49 pm
Forum: General
Topic: BETA Testing and Feature Suggestions for next routeros
Replies: 329
Views: 75729

JP,

some nice ideas, and "roll-back" form a "problematic upgrade" including any config changes would be a really good idea (been there).
Multi-boot, probably a "test network" luxury but nice item IMHO.

Regards

CableFree Solutions
by stephenpatrick
Mon May 01, 2006 8:45 pm
Forum: General
Topic: ISP Hardware & Software
Replies: 5
Views: 2588

Hi, that sounds interesting.
What country are you in, what scale of network, what services do you expect to offer, and what do you need in terms of design and implementation support?

Regards

CableFree Solutions
info (at) cablefreesolutions.com
by stephenpatrick
Mon May 01, 2006 8:20 pm
Forum: Wireless Networking
Topic: CPE-Antenna alignment via customer / Application available?
Replies: 149
Views: 33200

We have "RadioManager", runs on a PC or laptop, connects with Telnet or RS232 port, has easy-to-use RSSI (signal strength) bargraphs, and even audio tones for alignment using the PC sound system/speakers - great for CPEs that don't have any buzzers etc. Can be customised for operator/WISP OEM use. A...
by stephenpatrick
Mon May 01, 2006 7:41 pm
Forum: Wireless Networking
Topic: anyone using MT access point and amplifire please come
Replies: 24
Views: 4489

So in summary, as almost everyone has said, "don't use them" ...

Regards

CableFree Solutions
by stephenpatrick
Fri Apr 28, 2006 1:12 pm
Forum: Wireless Networking
Topic: eXtended Range
Replies: 24
Views: 4183

Not AFAIK - to "process" the frame at lower signal level means let more through the receiver with errors, as the signal is closer to the noise (or interference) floor. Not much of a problem for regular WiFi with TCP/IP connections, as packets are resent: but a big problem for Nstreme, where lost pac...
by stephenpatrick
Tue Apr 25, 2006 4:13 pm
Forum: Wireless Networking
Topic: eXtended Range
Replies: 24
Views: 4183

Just my $0.02 here - AFAIK XR allows the atheros radio to work at lower signal strengths than the 802.11 standard normally allows - hence the range improvements. Atheros have an explanation on their site. That might help some setups (especially indoor WLAN or hotspot) but will probably upset Nstreme...
by stephenpatrick
Tue Apr 25, 2006 1:46 pm
Forum: Wireless Networking
Topic: Wi-Max miniPCI support
Replies: 26
Views: 7300

Hi again, I didn't see a 5.8GHz miniPCI on the website - the "5.8 GHz Reference Kit" is a split digital/analogue pair of PCI cards - did you get more information from them i.e. more than that on the website? Personally, I think this is the "way to go" - supporting this and future WiMax cards for oth...
by stephenpatrick
Mon Apr 24, 2006 10:59 am
Forum: Wireless Networking
Topic: Wi-Max miniPCI support
Replies: 26
Views: 7300

It's been asked for ... no sign yet.

AFAIK for most hardware if there is good driver support in Linux 2.6, it could be included in RouterOS. No driver = less likely.

Also, that card is 3.5GHz only. So you'd need a license in most countries.
by stephenpatrick
Mon Apr 24, 2006 10:56 am
Forum: Wireless Networking
Topic: eXtended Range
Replies: 24
Views: 4183

It's been asked for ... "XR" feature on Atheros cards. No sign yet ...
by stephenpatrick
Thu Apr 20, 2006 3:25 pm
Forum: Wireless Networking
Topic: CM9 vs R52 cards: what a difference?
Replies: 13
Views: 4442

Interesting.
In lab tests, we get performance that seems identical.
I'm sure there must be differences though.

Anyone got any experience here on CM9 vs. R52?

Regards
CableFree Solutions
by stephenpatrick
Wed Apr 12, 2006 8:14 pm
Forum: Wireless Networking
Topic: SR5 slow throughput
Replies: 2
Views: 955

On all OFDM cards, the max usable TX power drops as the modulation rates increase- this is to do with linearity in the TX amplifier I believe, which is more critical at high order modulation. If you have to have 26dbm, exclude the higher modulation speeds and accept lower throughput. If you must hav...
by stephenpatrick
Sun Apr 09, 2006 10:49 pm
Forum: General
Topic: Ipv6
Replies: 64
Views: 18246

Agreed, IPV6 now a "required feature" on large bids, whether or not the end customers actually end up using it or not.
i.e. without it, bids to certain customer requirements are going to get harder and harder and sometimes impossible as the months go by.

Regards
by stephenpatrick
Thu Apr 06, 2006 6:16 pm
Forum: Wireless Networking
Topic: anyone using MT access point and amplifire please come
Replies: 24
Views: 4489

The reason MW people, Alvarion and others can do it is that they run the signal up the tower on "IF" frequencies (often 70MHz) - at the top you get the "outdoor unit" which has a power amp, low noise amp, filters and up/down coverters and not a lot else. There is relatively little loss, and also the...
by stephenpatrick
Thu Apr 06, 2006 6:01 pm
Forum: Wireless Networking
Topic: Atheros new chipset with MIMO
Replies: 1
Views: 915

Generally speaking, MT can add support for a card if there is a Linux 2.6 driver in existence.
Whether they do or not, depends on customer demand and difficulty.

Regards