MikroTik

wolfeyes

Hello, I need your help on the following routing use case: I've set up an openvpn router with a couple of connected remote users on the same bridge. Behind the connected ovpn clients mt routers, there some additional subnets that I need to get access from the ovpn bridge subnet. Windows PC: 192.168....

wolfeyes

Firmware update procedure conducted by the seller.

wolfeyes

Update.

After finally upgrading firmware to 12.636.11.01.00 version, lte interface drops eliminated and now card has the expected and correct behavior with great stability.

wolfeyes

Update.

After finally upgrading firmware to 12.636.11.01.00 version, lte interface drops eliminated and now card has the expected and correct behavior with great stability.

wolfeyes

Hello I have a problem with ME909u-521 card installed on RB912UAG board. LTE interface drops more or less every 2 minutes with this card. After attaching again to LTE network, dhcp client acquires new IP and so on. LTE network coverage is sufficient enough. Same LTE network and same SIM card works j...

wolfeyes

Hello I have a problem with ME909u-521 card installed on RB912UAG board. LTE interface drops more or less every 2 minutes with this card. LTE network coverage is sufficient enough. Same LTE network and same SIM card works just fine in the same place using a Sierra MC7710 on a RB411U board. ME909u521...

wolfeyes

Worked just fine! Many thanks!

wolfeyes

Tnx for the quick response. This is actually the default configuration which indeed works for torch capturing all routed communication from the internal network. But, do I have the chance to also capture switch level communications between hosts residing on the same subnet? Can this be supported by ...

wolfeyes

I applied the cmd as specified in the wiki for the master port (ether1), but still cannot see any traffic using torch for the slave ports. Can someone help? tnx

wolfeyes

Guys, I think we are all on the same boat... I've also tried many things with MT devices and and GSM modems starting with usb dongles. At that time automated scripts for resetting modem using ATDT commands or full board reboot were absolutely necessary. But also now using various mini-pci modems, sc...

wolfeyes

Thanks RogerWilco :) I didn't know that value 11 was an option, because in respective reference manual I find the following: Parameters: <ratInd> (RAT configuration index): • 00=Automatic • 01=UMTS 3G only • 02=GSM 2G only • 03=UMTS 3G preferred • 04=GSM 2G preferred • 05=GSM and UMTS only • 06=LTE ...

wolfeyes

Do you know how to force 3G/LTE modes?
I don't want card to fallback to GSM mode.
This option is not given in the lte menu.
Furthermore, I tried various init modem settings according to the official MC7710 manual with no success.

wolfeyes

This card is not yet listed in the official compatibility list of supported hw.

Have you tested this card on mobility environment?

Which sw version are using? Have tested it with latest v6.x releases?

wolfeyes

hello marcin21, yes i did. i'd changed the modem. I did it with an ericsson or a ZTE. it is working. The problem was with the usb version. The sierrawireless was using the usb 1.0 and it fails. When i'll tryed with the ones with usb 2.0, it worked. Now i'm trying with RB 411 UAHR. I need a 'system'...

wolfeyes

yes!, Yes!, YES! Is like someone on next RouterOS 6.16rc10 like my ideas... *) time - on routerboards, current time is saved in configuration on reboot and on clock adjustment, and is used to set initial time after reboot; http://forum.mikrotik.com/viewtopic.php?f=1&t=86494&p=434720#p434049...

wolfeyes

Something like this: http://www.alibaba.com/product-detail/3g-serial-modem_617996113.html You can get these for 59$/piece and they are stable. We don't use ac/dc adapters that come with these modems but instead bought other 7.5V ac/adapters which are higher quality. Which is the max data rate can b...

wolfeyes

Has anyone noticed any port flapping issue with this release on the CRS125?

wolfeyes

Mikrotik support told me to ground the switch, did that and the port still flapping. After rolling back to v6.11 port flapping has been completely disappeared. Device in my case was grounded by the beginning of the installation. After all these days since last downgrade switch works smoothly and it...

wolfeyes

CRS125-24G-1S Massive port flapping on CRS125 on latest 6.12 and 6.13rc7. Email sent with supout to support. jan/02/1970 00:00:15 interface,info ether2 link up (speed 100M, full duplex) jan/02/1970 00:00:16 interface,info ether1 link up (speed 10M, half duplex) jan/02/1970 00:00:19 interface,info e...

wolfeyes

Update.

Traffic from server towards PC based OpenVPN clients also work fine. So the problem only stands for traffic from server towards RB750 configured clients? (All tests conducted using DSL and mobile 3G networks with all combinations.)

Any ideas?

wolfeyes

I have a similar problem with OpenVPN. I have configured an OpenVPN server on a RB1100AHx2 device (ethernet/tap). Two RB750 are connected over DSL as OpenVPN clients. Furthermore various PCs using OpenVPN soft clients are also connected occasionally to server. All traffic from all clients (RB750 nat...

wolfeyes

I have tested the Vodafone K5005 usb dongle and behavior is quite appreciated I would say. Tested on RB951 with ros v6.7 It is not recognized as an LTE interface on respective tab but as a normal huawei usb dongle (3G). The problem is that reset ATDT commands are not applicable so modem reset cannot...

wolfeyes

This is a very interesting topic and I guess we all agree that MT has to pay more attention of LTE chipsets/ usb dongles support. Many customers demand this, even if this is not loudly expressed in the forum. I have tested the Vodafone K5005 usb dongle and behavior is quite appreciated I would say. ...

wolfeyes

please upgrade to RouterOS v6.3 as there is a fix that will fix your problems: *) RB2011L - fixed occasional gigabit switch-chip lockup; It's very bizarre reading the above statement about the fix, while later on reading the following: If the RouterOS v6.3 didn't help we suggest to try out this Rou...

wolfeyes

Which are the results after applying v6.3 fix? Has the freeze issue been fully resolved?

wolfeyes

noboby?

wolfeyes

I need some help. Please advise me which is the most suitable sector antenna for a wifi hotspot implementation on an open square between those 2 below: http://interline.pl/antennas/SECTOR-DUAL-H10dBi-50deg-V8dBi-60deg-2.4-2.5GHz http://interline.pl/antennas/SECTOR-H14dBi-60deg-V12dBi-70deg-2.4-2.5GH...

wolfeyes

HW-retries value set to 4 and after extensive testing results are rather encouraging.
AP performance improved.

@spire2z: You just got your karma

@payday: When hotspot assigned to a bridge interface of multiple wlan, dhcp/subnet & gateway works just fine.

wolfeyes

You can do more with queues and PCQ. also I would drop HW retries to 4

This sounds reasonable. Also found here:

http://wiki.mikrotik.com/wiki/Manual:Wi ... retries.3F

I'll test it and let you know. Thanks.

wolfeyes

Yes the hotspot feature is activated, but as mentioned when more than 20 users login, network latency in very huge. Actually users can occasionally (I say occasionally because network speed goes rapidly up & down) browse internet pages but youtube for example has very bad experience. If I use sa...

wolfeyes

Install more APs.

In which mode?
WDS?
Distinct ssids in separate channels?
Same ssid in separate channels?

What about performance in each case?

wolfeyes

Come on guys... How can we cover a wide crowded area with a smart way allowing users to have a good internet browsing experience? Area meaning a square or a beach. Since a single AP cannot manage more than ~20 clients we cannot put a sign saying "Count yourself!!! No more than 20 concurrent con...

wolfeyes

Thanks for your reply. I also suspected that 802.11 has limited capabilities for such a case. However, for Mikrotik Hotspot implementations, which are the best practices to support as many connected users as possible with even small data rate? (500kbps - 1Mbps are pretty enough in an open square for...

wolfeyes

Hi all, I've installed a new hotspot using RB433 + R52Hn + MiMo Sector antenna in a wide square. To gain full compatibility with all laptops and mobile devices mode 2.4GHz-only-g selected. All rest settings are typical for 2.4 band according to default values loaded and mikrotik wiki. The fact is th...

wolfeyes

Some notes/conclusions regarding port flapping experience. By all means networks and other implementations have their own peculiarities but let me quote on what noticed here so far: a) Port flapping is very annoying and cause ospf states changing between neighbors whenever occurs, affecting network...

wolfeyes

Some notes/conclusions regarding port flapping experience. By all means networks and other implementations have their own peculiarities but let me quote on what noticed here so far: a) Port flapping is very annoying and cause ospf states changing between neighbors whenever occurs, affecting network ...

wolfeyes

For my case I have only one problematic device. Transport fees and one or two months waiting time to get the replaced device does't worth to RMA it. Nevertheless to say that as a spare part will do the job for some time in case of rest parts disaster. However it would more sufficient if MT stuff cou...

wolfeyes

update. I've just checked and replaced the power supply and problem insists even with the new one. Voltage is ~22V. Then, I replaced poe. Same behavior - voltage ~22V and high temperature also noticed (~64 °C). Finally using same cabling (shielded FTP cat.5 grounded) I used an another Groove 5Hn had...

wolfeyes

Same problem here with Groove 5Hn :? Temperature is 65 C, and it is the only one in a network of 4 Grooves in total. Signal Rates are the same to Tx/Rx -51/-50 dBm, however there is a huge gap between Tx/Rx CCQ 37/99 % What I also noticed compared to rest Grooves in my network is that Voltage shows ...

wolfeyes

???

wolfeyes

Hi all, As seen in the below diagram RB450G acts as central traffic management router with 3 different internet gateways. RB450G is responsible to route PCs IP traffic from private network to respective dsl gateways using mangle prerouting rules. add disabled=no distance=1 dst-address=0.0.0.0/0 gate...

wolfeyes

Yes it is possible. In the Modem Init cmd apply the following for Huawei modems.

AT^SYSCFG=14,2,3FFFFFFF,2,4

Works perfect for me.

wolfeyes

I know, all the information can be distilled by searching and reading on the internet. But wouldn't it be nice if MT would produce a guideline in the wireless faq. on the setting of these in real environment. Like when it is advised to go for configured rate setting or just to use the default (= al...

wolfeyes

Why use a device with 200mW (23dbm) for that distance when a 31dBm (1300mW) Metal 5SHPn is available? . Actully I need to comply with country regulation. 23dbm are already too much if antenna gain is also added. Of course metal 5SHPn is a last resort if transmitting power is not enough. With a offs...

wolfeyes

802.11a: 23dBm @ 6Mbps
so you want to make a 80km link and have 2mbps?
.

Lets assume that I only need 2 mbps and use a mode (not n).
Will link established with signal level -64 as illustated in the screenshot?

wolfeyes

I used MT calculator and Ligowave Link calculator. Nstreme will be used on 5gh-A. After referencing to Groove specs, put respective values on fields and link characterized as reliable! 2012-07-30_114403.jpg -64 signal level??? Too good to be true for such distance... :-? Am I doing something wrong w...

wolfeyes

I need to set up a ptp link having 80 km distance between 2 edges with full LOS. I'm planning to use offset satellite dishes (80cm) with feeders ~30dbi gain. Will two Groove (5ghz) of 23dbm be enough for such distance? Online calcualators reveal that link will be normally established however I'm not...

wolfeyes

Issue with SNMP and high cpu usage insists even with v5.18.
Tested on RB450G. Anyone else with the same problem?

wolfeyes

well, that's indeed another example. I have a rb344 where one port is connected by a 60meters cable to a netgear wifi router. Several disconnects a day, at times many per hour. Once for test just fit a netgear switch in between. Port flap completely disappeared. Not a single flap in weeks. Removed ...

wolfeyes

Same problem here between Omnitik (eth1 poe) and Groove (used for backhaul). Devices are directly connected (no switch or other intermediate device). Flapping occurs at least ten times a day and it is very annoying cause ospf state changes on Omnitik and neighboor devices. :( Also descibed here: htt...

wolfeyes

Nobody? Come on guys.....

wolfeyes

I've downloaded debian vmware image. First thing I did for this to work is to change ownership to 777 for files as stated below: http://forum.mikrotik.com/viewtopic.php?f=2&t=35737 After the above change, proxylizer db started receiving logs. However, I still get Not valid web proxy log!!! messa...

wolfeyes

For PtmP noticed that v5.14 avg cpu usage is higher than v5.9.
Clients disconnections are more rare BUT reconnection interval in again higher than 5.9.
This produces more lost packets. For v5.9 client disconnect and reconnect interval (due to control frame timeout)was just 1-2 secs.

wolfeyes

With regards to new products launched and apart of the differences illustrated below from the official brochure, another major point is the architecture:

RB433GL -> AR7161
RB433AH -> MIPS-BE

Which are the the differences between these architectures?
Any pros/cons?

2012-01-20_175024.jpg

wolfeyes

Hi WirelessRudy! Back again.... :) Which is the typical distance between your clients and central AP? (Max?) Can this distance affect total AP capacity in terms of clients count (if yes how?) or this is just depended on signal and noise levels? (Of course as mentioned capacity affected by type of ro...

wolfeyes

I use up to 35 clients with 4/5Mb assigned traffic on a rb800 and I've heard guys going up to 50 or even higher. I think I'll go to 40-45 but I need to see the average max. sustained CPU load to see how far I can go. When CPU runs for prolonged times (due heavy traffic) in ranges of 50-70% I would ...

wolfeyes

Hi All, We've been using nv2 on 5GHz-only-N more. For some bizarre reason mode 5GHz-A/N created disconnection problems. Channel width set to 20/40MHz HT Below and we achieve 1 week periods uptime without a drop. Signal levels on sxt cpes are -65 to -76 (and a single sxt with -80). For Hw.Retries set...

wolfeyes

Update.

I think this issue resulted due to v5.7 update. There is a slight difference between v5.6 & v5.7.

v.5.6

v5.6.jpg

v5.7

v5.7.jpg

What is this unknown value inlaid?
Is this a sw bug or a new design for v5.7 release?

wolfeyes

Hi All, I recently bought 2 new SXT devices. Both upgraded to the latest 5.7 release and configured in station mode. I was surprised when I noticed that after binding to the AP, none of the led indicators were operate (on both of them)! :? I tried using led on/off commands (:led user-led=no ; :led u...

wolfeyes

Hello Folks! NV2 two weeks now, so far not a single drop if link. Whole system is rock solid at all loads, we use ROS 5.6 all over. Also much reduced load on all AP:s and CPE:s, less than 1/3 than before. And yes, I am in middle of city like environment, much noice and obstacles, freznel links etc....

wolfeyes

What good is a SXT with such big dishes....when signal is -60 at 5 km. I have 5 km links with sxt on both sides and no big dishes. signal -51/53. Another link 13km with groove and 24dbi grid and sxt at client end and signal -61/64. It is expected to have such signal levels in your case, since you u...

wolfeyes

@WirelessRudy. While experimenting with sxt position, we also evaluated the offset topology but for some bizarre reason performance was not as good as the current position with the sxt in front and away from the dish. This led us to apply the steady construction with the metal brackets shown in pict...

wolfeyes

Hi All, We've set a PtMP environment with two sector panel antennas. CPEs are all sxt devices. For clients having a significant distance from central ap, we used same technique with dish reflector. What we noticed while experimenting is that sxt needs to be quite distant from reflector. In the attac...

wolfeyes

Next will be the stress test and then later increase bandwith from 20MHz to 40MHz and see how it works then. I will come back with the test results.

Looking forward for the test results!

wolfeyes

Hello folks! All our sectors are now NV2, we did add the last sectors, so far not a single dissconnect from any cpe. I am crossing fingers now. All CPE connects at 54MBit seconds after changing to nv2. Each sector has 10-12 CPE:s. Our Internet here is 100Mbit fdx dual lines, speed is limited to 24M...

wolfeyes

Hello Folks! Now at ros5.6 we started to go live in production, leaving the lab. Two sectors so far and no problems. All settings is the default from factory, exept authentication. Lets see now, there is a lot of fuzz in mikrotik forums about connection losses. All our antennas have high SN and gai...

wolfeyes

@Mikrotik

Can you please help us and provide some further clarifications for the previous question regarding single client behavior and AP speed for NV2 protocol?

Can a single client affect AP in terms of long distance or low signal conditions?

wolfeyes

I'm already using one reflector for the sxt which resides at 21km distance! :) It does fantastic job, but as you mentioned requires extra work (and cost) to add additional reflectors for the rest of the SXTs. Actually SXT is an excellent cpe with easy installation and I'm planning to keep expanding ...

wolfeyes

Thanks for your input and comments guys. Next step is to find a closer position to shorten distance between AP and the SXTs in order to achieve better overall signals. Sector antenna gain is 19dbi (MIMO) and SXT antenna gain is 16dbi, thus from your experience which is the optimum distance for signa...

wolfeyes

Hi All, We've set a PtMP implementation with a centralized AP (433UAH) and 9 SXT clients connected on APs sector antenna. Antenna is dual polarized (HV). Below you may find a screenshot with distances and respective SNR values. The majority of the SXTs are located at 15km distance from sector antenn...

wolfeyes

Hi again. I tested the Hw Retries parameter with value 9 as suggested but disconnections insist. :? Now regarding nv2 protocol I also read other threads with people facing same problem. http://forum.mikrotik.com/viewtopic.php?f=7&t=52937 Furthermore the below thread shows that Hw parameter is ig...

wolfeyes

Hi wiyat, thanks for your reply.

I've applied the Hw retries change and value updated to 9.

I'll monitor behavior on coming days and I'll let you know with the results.

thanks again.

wolfeyes

Thanks for your replies :) I use latest v.5.4 version (and will be upgraded to 5.5 on coming days). Most SXTs reside at 15Km distance having SNR 20-21. (same happens for a single sxt with snr 25-26). And signal strength -75 to -81. Do you think that such distance might be the reason for this behavio...

wolfeyes

Problem insists and I noticed that whenever this happens no disconnection occurs for wireless interface so it seems that this is related to pppoe server configuration. I've set the the-one-session-per-host=yes and I increased the keep-alive-timeout to 30 sec instead of default 10. However problem in...

wolfeyes

Please for your help and suggestions. The implemented configuration is a central 433uah AP and PtMP connections with SXTs (total 4 units) using NV2 protocol. PPPOE also used for users registration. The problem is that during the day and occasionally some sxt disconnect with the below errors. I suspe...

wolfeyes

Can I establish an EoIP tunnel between ROS 5.2 and other vendors like cisco or dd-wrt?

wolfeyes

So, after applying NAT on 433, SXT will only work on bridge mode.

After that will User Manager have to handle each PC separately?

I just wanted to have each CPE running on a "DSL router like" mode.

Believe me… no money left for commercial consultancy…

wolfeyes

Of course it is not an exam... :) I'm trying to be more precise and ask specific questions. Well, I just need your consultancy on the configuration settings in order to match the described requirements. What I have done so far is to configure the AP as to accept connections from the SXTs over PPPoE....

wolfeyes

Hi All, Below there is a network diagram for a network implementation. I've successfully configured PPPoE server on 433 and clients on SXT CPEs. NAT masquerade applied on CPEs too. Each PC can ping 10.0.0.1 with success Requirements: 1) CPE1 & CPE2 should gain internet access through DSL1 (2mbps...

wolfeyes

Come on guys... please for your lights!

wolfeyes

Some corrections... The above diagram does not present /30 subnets for all CPEs connected.
I mean the PPPoE subnet will be dedicated with respective gateway.
Can I have a hybrid solution with PPPoE and /30 subnets (for special routing between CPE) on the same wlan1 interface of the AP?

wolfeyes

Network diagram for a clear view:

wolfeyes

Hi All, I’m trying to design a new network topology for a small wireless network (wisp oriented). A centralized AP on 433ah will accept connections from SXT CPEs. Some CPEs will only have internet access, some others should also communicate each other (bridged interfaces) and will all have access to...

wolfeyes

Indeed you cannot use tkip. See below respective section from wiki: Security in Nv2 network Nv2 security implementation has the following features: hardware accelerated data encryption using AES-CCM with 128 bit keys; 4-way handshake for key management (similar to that of 802.11i); preshared key aut...

wolfeyes

On my case and all tests were successfull when using dual chain operation. I didn't noticed such behavior. Let me note that I didn't have enough time to perform extensive testing and I only used nstream for my tests. I still haven't found some time to test nv2 but I'll definetely schedule it for com...

wolfeyes

Thanks for your valuable input guys!!!

wolfeyes

I indeed use SXT 5HnD. I also read in other threads that chain 0 has to be assigned to horizontal polarity. For SXT manual says "Dual polarization 5GHz antenna" and "Polarization Dual Linear (V-pol, H-pol)" and: "If you want to overcome certain obstacles or interference by u...

wolfeyes

Hi Guys, please for your help... I'm trying to deploy a new implementation with a central AP and respective connected clients on 5ghz band. I bought an 433UAH and a R52n miniPCI. Clients will be SXT CPEs. Furthermore I choosed to buy a MIMO sector antenna with dual Horizontal & Vertical polarity...

wolfeyes

Can anybody help?
Should I raise these questions to any other forum category (like hw)?

wolfeyes

Hi All, I've bought a MiniPCi R52n for the Routeboard 433UAH (upgraded to 4.17 version). I also bought a dual polarity 5 ghz sector antenna with HV polarization. The R52n has 2 antenna ports j2 and j3. Q1: Which port should be used for Horizontal and which for the Vertical polarization? Q2: Is this ...

wolfeyes

I'm using latest version 2.2.18 downloaded from Mikrotik official download page. I also tried version 2.2.16 downloaded copied from local router with no success too. Furthermore I tried winbox with other two PC's running windows xp and it is successfully running. The main difference between the prob...

wolfeyes

Hi All, I'm trying to run Winbox on my laptop, but always fails to load. Laptop OS Win XP sp2. Upon first run, winbox downloaded the appropriate plugins but then failed to load. Every time I execute winbox.exe, pops up a screen with msg starting and finally crashes. I also tried to deactivate window...

Search found 92 matches