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by n21roadie
Wed Aug 07, 2019 1:37 pm
Forum: Wireless Networking
Topic: Packet Sniffer - Suspicious packet capture!
Replies: 0
Views: 188

Packet Sniffer - Suspicious packet capture!

While I was checking our network with packet sniffer I had this result from packet capture on a PTP link and on checking the rest of the network it appears that only that PTP has this,
What steps are required to remove ( V6.43.16 )
by n21roadie
Mon Mar 18, 2019 1:45 pm
Forum: Wireless Networking
Topic: 50 km LINk
Replies: 6
Views: 485

Re: 50 km LINk

Possible, speed depends on your allowed EIRP.
in the EU with 30/36dBm max it would be hard to get this speed with 802.11 Hardware.

If your Budget allowes it, I would go with UBNt AF5x HD
Just curious have you used UBNt AF5x HD ?
by n21roadie
Mon Mar 18, 2019 1:37 pm
Forum: Wireless Networking
Topic: Big difference in the RX and TX signal rate
Replies: 4
Views: 346

Re: Big difference in the RX and TX signal rate

Do you clear light of sight from the effected CPE's to the AP's, is there by any chance say branches of tree(s) or growing forest in the freznel zone area which move in the high wind?
https://www.proxim.com/en/products/know ... rance-zone
by n21roadie
Mon Mar 18, 2019 1:28 pm
Forum: General
Topic: IPTV who should pay?
Replies: 46
Views: 3753

Re: IPTV who should pay?

they may not be very excited about someone who's requirements are way above average Unfortunately customer "average" data usage per month is increasing at a high pace? "Unlimited" always sounds better. The advertising wording can be misleading when "Unlimited Data" is used but on the agreement form...
by n21roadie
Sun Mar 17, 2019 4:59 pm
Forum: General
Topic: IPTV who should pay?
Replies: 46
Views: 3753

Re: IPTV who should pay?

A very interesting topic and as a WISP in our opinion with customers using more and more bandwidth while streaming, the service packages will move away from "Unlimited Data" to monthly data allowance and then two options (1) customer has additional charge for the extra data used (which some will dis...
by n21roadie
Fri Mar 15, 2019 1:50 pm
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

Still unsolved problem: ARM client with NV2 is disconnected from AP without reason (ROS 6.44). In log is - lost connection, synchronization timeout Solution? Reboot client from LAN side. Ticket#2019012222004029 This is a general observation comment about Mikrotik ( not just ARM devices) , why does ...
by n21roadie
Tue Mar 05, 2019 1:18 pm
Forum: The Dude
Topic: Sync databases of 2 Dude V4.0B3
Replies: 1
Views: 363

Sync databases of 2 Dude V4.0B3

Is it possible to sync the databases of two Dude V4.0 beta 3 servers?
by n21roadie
Fri Jan 18, 2019 4:03 pm
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

@WirelessRudy ...When running csma with properly configure rts/cts I see for traffic to only 2 or 3 clients hardly any package losses. The new csma+rts/cts protocol in 'ac' works pretty fine....... (1) Are you using just 802.11 and not Nstreme, (2) Properly configured rts/cts - any examples you can ...
by n21roadie
Thu Jan 17, 2019 11:48 am
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

.......................................... 2)Pure 802.11N +rts/cts @20Mhz 90-20 mbit/s sometimes UPLOAD rates are falling to 6Mbps latency spikes. Some clients lose 90% packet loss (sector 20 clients) NV2 works great for 20Mhz channel it does not scale correctly for 40/60/80Mhz. For good TCP/IP one...
by n21roadie
Mon Jan 07, 2019 5:53 pm
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

What I meant to say was - for other competitors to deliver higher speeds (exclude full duplex) are they using 80-160Mhz bandwidth per AP channel ?
by n21roadie
Mon Jan 07, 2019 4:00 pm
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

We have a lot of Mikrotik CPE out there, but in last 6 month we realized how competitors are able to deliver higher speeds, Mikrotik is outdated, I don’t believe that we came back to Mikrotik
Deliver higher speed using how much bandwidth (80-160MHz?)
by n21roadie
Mon Jan 07, 2019 2:07 pm
Forum: Wireless Networking
Topic: 60GHz proximity and colocation
Replies: 13
Views: 988

Re: 60GHz proximity and colocation

I also have an RF background and have seen the results of custom shielding! It is not as a simple as bolting on a piece of metal and the problem is always solved? There is two objectives to be achieved, one side of the shielding you require reduction co-location interference and the other side reduc...
by n21roadie
Mon Jan 07, 2019 11:36 am
Forum: Wireless Networking
Topic: 60GHz proximity and colocation
Replies: 13
Views: 988

Re: 60GHz proximity and colocation

@ mkx Can I ask do you have actual real world figures to support the low loss mentioned when using RF shielding as from listening to RF Elements webinar (https://www.youtube.com/watch?time_continue=101&v=XAo_AAbjnTg) @2.05mins..... speak of while reducing co-location interference.... totally change ...
by n21roadie
Sun Jan 06, 2019 3:53 pm
Forum: Wireless Networking
Topic: 60GHz proximity and colocation
Replies: 13
Views: 988

Re: 60GHz proximity and colocation

If you use different channels, colocation is no problem, if you want reuse channel you need a little bit shielding between the Antennas... But in 60 ghz it is easy to build shielding..... As shielding changes the performance characteristics completely of a antenna, shielding + RF attenuation absorp...
by n21roadie
Tue Jan 01, 2019 3:24 pm
Forum: Wireless Networking
Topic: Radar detected on XXX
Replies: 31
Views: 2908

Re: Radar detected on XXX

I totally agree that radar detection is unreliable also in wireless setting for a given country the radar frequencies in use should be included so that the scan is not starting at say 5180 when radar frequencies used are 56XX.. or a option for us to exclude these frequencies. Your proposal is total...
by n21roadie
Mon Dec 31, 2018 1:47 pm
Forum: Wireless Networking
Topic: Radar detected on XXX
Replies: 31
Views: 2908

Re: Radar detected on XXX

Main issue with radar detection is the unreliability. If it only detected WX radars and nothing else, it would be fine. But for that, radars would have to transmit some digitally signed beacon that could be verified to be 100% reliable and avoid the spoofing. Currently entire detection algorithm re...
by n21roadie
Mon Dec 31, 2018 1:34 pm
Forum: Wireless Networking
Topic: Radar detected on XXX
Replies: 31
Views: 2908

Re: Radar detected on XXX

As a WISP I would question the wisdom of allowing dual usage of frequencies that both Radar and wireless operators use? Nobody questions the viability of getting into an unreliable business like WISP where you are fully dependent on what others (including authorities) do? Just curious what business...
by n21roadie
Sun Dec 30, 2018 3:48 pm
Forum: Wireless Networking
Topic: Radar detected on XXX
Replies: 31
Views: 2908

Re: Radar detected on XXX

When weather institutes become sufficiently fed up with this, they will send out the telecom authority to locate the offenders and isssue them a ticket. As an ex MNO radio engineer and current weather service employee I'd ... [joke-mode=yes]... find rogue wireless operators and execute them on the ...
by n21roadie
Sun Dec 30, 2018 3:35 pm
Forum: Wireless Networking
Topic: Radar detected on XXX
Replies: 31
Views: 2908

Re: Radar detected on XXX

Can I disable radar detection? It is a legal requirement to use radar detection when you want to use certain channels on 5 GHz. This is because the "primary user" of this band is RADAR and you are only allowed to use those channels where RADAR is not present. When you run a WiFi link on a RADAR fre...
by n21roadie
Wed Nov 14, 2018 8:47 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

@leonix - Not sure why HT supported MCS rates 16-19 are enabled when they require 3 spatial streams and QRT is dual chain?
by n21roadie
Sun Oct 28, 2018 4:35 pm
Forum: General
Topic: Winbox add extra "Show Columns" to default layout
Replies: 0
Views: 315

Winbox add extra "Show Columns" to default layout

Is it possible in Winbox to add extra columns and make this permanent, rather than every time winbox is opened having to add once again extra columns?
For example in OSPF Neighbors adding "Adjacency" and "State"....columns ...
by n21roadie
Sun Oct 28, 2018 3:16 pm
Forum: Wireless Networking
Topic: Nv2 High latency
Replies: 29
Views: 3700

Re: Nv2 High latency

@chechito some ways to maybe improve the situation with QoS/WMM you can somewhat mitigate the situation give priority with marking DSCP and TOS for latency sensitive traffic using mangle and set NV2 to QoS= frame priority, queue count 4 you can also set highest allowed MCS to a more reliable value t...
by n21roadie
Tue Oct 16, 2018 1:29 pm
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

I have the some problem.... witch brand works now Mistry7?
If any vendor had a wireless product designed especially to function perfectly in a increasing noisy environment, everyone would know very fast?
by n21roadie
Mon Oct 15, 2018 4:53 pm
Forum: Forwarding Protocols
Topic: OSFP Keeps Losing Routes!!! [SOLVED]
Replies: 11
Views: 1956

Re: OSFP Keeps Losing Routes!!! [SOLVED]

Have you checked for max L2 MTU mismatch between routers and on network segments!
by n21roadie
Fri Oct 12, 2018 1:38 pm
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

@mistry7 I don’t think you will see anything from Mikrotik in Wireless Market, Wireless is dead end, FTTH is future, look at the Products MT is releasing, look at KidControl. ......................... I agree that Fibre to the Home (FTTH) is the future for business, working from home, etc. but for ...
by n21roadie
Fri Oct 12, 2018 1:08 pm
Forum: Wireless Networking
Topic: ARM devices and NV2 protocol
Replies: 575
Views: 56809

Re: ARM devices and NV2 protocol

@ 2jarek
6.43 Works only for TDMA period size 1ms. Try 3-5ms = disaster. Hardware driver/chipset/clock problem.
Just curious I have mine set to 2ms ! and have you any more information on "Hardware driver/chipset/clock problem."
by n21roadie
Tue Sep 18, 2018 6:22 pm
Forum: Beginner Basics
Topic: Attached: Mikrotik Visio Stencils
Replies: 28
Views: 74438

Re: Attached: Mikrotik Visio Stencils

For those of us who don't have Visio is it possible to have svg file version along with vss ?
by n21roadie
Wed Sep 05, 2018 11:53 pm
Forum: Scripting
Topic: PTP Link wireless monitor
Replies: 11
Views: 737

Re: PTP Link wireless monitor

I am looking at two variations of the script (1) AP side of a PTP will have (a) registered-clients: 0 - which should activate the 10 min script with 2 X min checks before rebooting (b) registered-clients: 1 - No Action (2) PTMP AP will have (a) registered-clients: 0 - which should activate the 10 mi...
by n21roadie
Wed Sep 05, 2018 1:06 am
Forum: Scripting
Topic: PTP Link wireless monitor
Replies: 11
Views: 737

Re: PTP Link wireless monitor

With the AP using the script to monitor "status" will not work, /in wi monitor wlan1 status: running-ap registered-clients: 0 authenticated-clients: 0 however "registered-clients" appears to be a good option "registered-clients: 0" (less than 1 to trigger reboot) "registered-clients: 1" (one or more...
by n21roadie
Tue Sep 04, 2018 8:45 pm
Forum: Scripting
Topic: PTP Link wireless monitor
Replies: 11
Views: 737

Re: PTP Link wireless monitor

@ ADahi thank you, Just a thought, generally the station side of a PTP will not have internet access when there is no wireless registration! so a alert email could not be sent? This is the reason why I added the email to the scheduler which runs after rebooting when wireless registration and interne...
by n21roadie
Tue Sep 04, 2018 6:14 pm
Forum: Scripting
Topic: PTP Link wireless monitor
Replies: 11
Views: 737

Re: PTP Link wireless monitor

@ ADahi Many thanks for your help! In testing so far the script which I have edited is working very good, Workflow so far (1) Scheduler item “Wireless_Registration_Monitor” Script runs every 10mins and restarts 10mins after a reboot, (2) If after 10 mins ( 2 x 5mins wireless status checks) = “No Wir...
by n21roadie
Fri Aug 31, 2018 11:57 pm
Forum: Scripting
Topic: PTP Link wireless monitor
Replies: 11
Views: 737

Re: PTP Link wireless monitor

So far my thoughts are the wireless registration status is the best to monitor /interface wireless> monitor wlan1 status: searching-for-network /interface wireless> monitor wlan1 status: connected-to-ess Which gives me from the PTP station side two status options "searching-for-network" or "connecte...
by n21roadie
Wed Aug 29, 2018 8:47 pm
Forum: Scripting
Topic: PTP Link wireless monitor
Replies: 11
Views: 737

PTP Link wireless monitor

Thankfully the issue of a PTP link losing wireless registration only occurs very seldom but when it does it's never at a good time and a reboot appears to solve the issue, so what we are looking for is advice on how to create a script that on a PTP link when there is NO wireless registration for say...
by n21roadie
Wed May 16, 2018 1:41 pm
Forum: Wireless Networking
Topic: After extensive tests; NV2 failes. Nstreme wins
Replies: 10
Views: 1079

Re: After extensive tests; NV2 failes. Nstreme wins

............... Out of curiosity after my experiences of the tests from yesterday and before I'd tried 802.11 now here as well. Bang, immediately I double the throughput on several devices! Now suddenly 50, 60 Mbps to the same units that never ran that in NV2. .... Has the latency increased with 80...
by n21roadie
Wed May 16, 2018 1:39 pm
Forum: Wireless Networking
Topic: After extensive tests; NV2 failes. Nstreme wins
Replies: 10
Views: 1079

Re: After extensive tests; NV2 failes. Nstreme wins

TI am starting to get serious doubts about the whole NV2 protocol of Mikrotik. It seems to be sick and the more I look to it the more sick it looks..... Yes 100% confirm! If you connect two Mimosa C5C (no GPS, no Sync etc) with a 20 MHz Channel you will see about 130-140MBit TCP throughput and a la...
by n21roadie
Tue May 15, 2018 5:00 pm
Forum: Wireless Networking
Topic: After extensive tests; NV2 failes. Nstreme wins
Replies: 10
Views: 1079

Re: After extensive tests; NV2 failes. Nstreme wins

Well done for taking the time to conduct these tests, I am currently disabling unused system packages (Hotspot, Ipv6,mpls,routing) on the CPE's to see if there any improvements, as ROS is almost all based on software and recall what another user posted way back and I paraphrase "Just because you can...
by n21roadie
Fri May 11, 2018 5:54 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

I would like to test a "barebones" version of ROS as I am beginning to think that its the amount of software used on ROS maybe part of the reason why NV2 is not the best wireless protocol currently available.
by n21roadie
Fri May 11, 2018 12:10 am
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

................................. Some other observations and suggestions from my side: if it's key point here - don't bother trying to make nv2 perform on obsolete equipment with very old chipsets; clearly give suggestions on how to tune up our networks (hardware and software wise): which ROS vers...
by n21roadie
Tue May 08, 2018 11:57 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

Are you certain about this? I had always thought that scan-list has no effect in AP modes? Just curious why you have set the scan-list=5000-6000 as this results in the AP to listen to all frequencies between 5-6GHz - we when using 20Mhz channels set our AP's -/+ 20Mhz above and below the AP frequen...
by n21roadie
Tue May 08, 2018 9:01 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

AP: mANTBox 15s /interface wireless set [ find default-name=wlan1 ] adaptive-noise-immunity=ap-and-client-mode band=5ghz-a/n basic-rates-a/g=54Mbps comment=5360 \ country="czech republic" disable-running-check=yes disabled=no distance=1 frequency-mode=superchannel \ hw-retries=15 mode=ap-bridge mul...
by n21roadie
Wed May 02, 2018 12:16 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

.......................... If some 20-30mbps are passing through the device, with all management, NAT, firewall, etc CPU never gets past 50%. So to my understanding - plenty of resources left? Or this CPU utilization figure doesn’t show all the picture here? .............................. You maybe...
by n21roadie
Mon Apr 30, 2018 11:01 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

......................... I've noticed that older gen chipsets perform poorly and also drag down whole AP a little. Also older chipsets don't support Short GI on 20MHz channels. I rotate and replace old 5nD and 5HPnD devices and upgrade to newer ones when possible. Got boxes full of waste 5nD's lyi...
by n21roadie
Mon Apr 30, 2018 1:40 pm
Forum: Wireless Networking
Topic: routerboard firmware
Replies: 1
Views: 451

routerboard firmware

(1) How important is to upgrade routerboard firmware,
(2) Is firmware changelog being updated,
(3) Why when updating there is not a option to also upgrade the firmware in one process rather than having to update firmware separately,
by n21roadie
Fri Apr 13, 2018 12:49 pm
Forum: Wireless Networking
Topic: Mikrotik NV2 Wireless always uses 6Mbps regardless of setting?
Replies: 22
Views: 1851

Re: Mikrotik Wireless always uses 6Mbps regardless of setting?

nv2 will always use 6Mbit data rate for protocol communication. How much air time is used on an AP with 30 clients (NV2) when all clients have a 54Meg or faster connection speed for the " nv2 will always use 6Mbit data rate for protocol communication " ? I would think if you have an active busy NV2...
by n21roadie
Fri Apr 13, 2018 2:00 am
Forum: Wireless Networking
Topic: Mikrotik NV2 Wireless always uses 6Mbps regardless of setting?
Replies: 22
Views: 1851

Re: Mikrotik Wireless always uses 6Mbps regardless of setting?

nv2 will always use 6Mbit data rate for protocol communication. How much air time is used on an AP with 30 clients (NV2) when all clients have a 54Meg or faster connection speed for the " nv2 will always use 6Mbit data rate for protocol communication " ? I would think if you have an active busy NV2...
by n21roadie
Thu Apr 12, 2018 10:48 pm
Forum: Wireless Networking
Topic: After updating to 6.41.3, the signal strenght has been lowered.
Replies: 19
Views: 1387

Re: After updating to 6.41.3, the signal strenght has been lowered.

Wow - there is a big difference in signal levels between those versions ?
Yes
You appear to running Nstreme have you tried NV2 and check if you also have reduced signal level.
by n21roadie
Thu Apr 12, 2018 10:31 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

.................... But we had to tune down the radio to very low output to make a -40 signal. Basically we talk 4 or 6 dBm. We actually found that the links became unstable. On other occasions where we had the same issue we found that most Mikrotik devices don't like it when we set outpot lower t...
by n21roadie
Thu Apr 12, 2018 10:28 pm
Forum: Announcements
Topic: Significant improvement for wireless Nv2 PtMP
Replies: 245
Views: 51247

Re: Significant improvement for wireless Nv2 PtMP

50-65 dB is low. The world does not know what the conditions are in the Czech Republic. -65dB is almost the level of ambient noise. I'm not going to solve the RX levels unless you do it yourself. We also have PTP connections with -20dB. You can test + 5dB on your desk and it works fine. The wifi ch...
by n21roadie
Wed Apr 11, 2018 11:40 pm
Forum: Wireless Networking
Topic: Mikrotik equivalent
Replies: 6
Views: 814

Re: Mikrotik equivalent

As much as I love using mikrotik for routing and client CPEs (easy to check for issues, etc), they make horrible backbone links. We've been slowly switching over to Airfiber (5Ghz) from Netmetals. Difference is very noticeable. Can you say how much the difference is after switchover ? First link re...
by n21roadie
Wed Apr 11, 2018 9:14 pm
Forum: Wireless Networking
Topic: After updating to 6.41.3, the signal strenght has been lowered.
Replies: 19
Views: 1387

Re: After updating to 6.41.3, the signal strenght has been lowered.

Wow - there is a big difference in signal levels between those versions ?
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