MikroTik

pauljatho

We are having exactly the same issues here, we have previously been installing and supplying CM9 and WLM54AG's, we recently purchased a batch of 100 RB52's out of which 10 are giving us exactly the same symptoms as you have pointed out, works for a week or so and then signal strength drops by 10-20d...

pauljatho

I have installed about 2 links using 802.11b NLOS, the 1 link is about 1KM through about 50 trees and the other is about 4KM through about 2 trees. 802.11b is the best when you have obstacles as the transmit power on most cards increases when set to 802.11b. I have not managed to get 802.11a working...

pauljatho

Noir,
I have a large Mikrotik network in South Africa, if you want you can contact me for local support. visit http://www.dbg.co.za

pauljatho

But then it is essentially exactly the same as just running a scan on the client side, allthough the refresh times are slower.

pauljatho · Hi Uldis, 2.8.22 non legacy works 100% with a,b,g. Thanks

Hi Uldis, 2.8.22 non legacy works 100% with a,b,g.

Thanks

pauljatho

After thorough testing I have changed over my entire wireless network from 2.8.18 "wireless-legacy" to 2.8.22 wireless (non legacy) and can vouch that it works without any problems. My network comprises links from 3Km to 25Km 802.11a, 802.11b & 802.11g and have not lost performance on ...

pauljatho

Can anyone expand on their experiences using "alignment mode" ? I usually just run a scan from the station side and send a technician up the mast and he basically moves the antenna up, down, left, right until the best signal strength is achieved. Would alignment mode make this easier ? wha...

pauljatho

Hi Uldis

I will change one of my live links over to 2.8.22 non legacy today and test the throughput on 5.8Ghz, if there are no issues then I will upgrade our entire backbone and test the b/g issues.

Will keep in touch.

pauljatho

My config is very simple, from factory default state config is as follows: AP ether1 10.1.1.1 wlan1 192.168.1 mode=ap bridge ssid=boo frequency=2472 band=2.4Ghz-G Station ether1 10.1.2.1 wlan1 192.168.2 mode=station ssid=boo frequency=2472 band=2.4Ghz-G I setup the routing between to 2 ethernet netw...

pauljatho

I am not familiar with the mars antenna's but what frequencies is the one that you are using optimised for ? perhaps it is optimised for either 5.3Ghz or 5.8Ghz hence the problems. Have you tried running 5210, 5250, 5290, 5760 and 5800 ? at -70 you should have no problems running turbo mode I have l...

pauljatho

Why does the routerboard hang if for example the AP is setup in 802.11g mode and the Station is setup in 802.11b mode and visa versa ? I have not tested this on the wireless package only wireless-legacy and have noticed that wireless has an option for 802.11b/g mode. I unfortunately cannot run wirel...

pauljatho

Are you guys in the process of sorting out the various problems with the wireless 2.8.x packages ? I currently have to run wireless-legacy on all of my routerboards if they are opperating on 5.8G. Why are the speeds so low when using the wireless package and should I rather try using the beta softwa...

pauljatho

Considering the fact that a divider is fairly expensive it would make much more sense for you to just install another antenna. From you comments it seems as though you are going to manually make the changes anyway.

pauljatho

Try running 2.8.18 with wireless-legacy installed. Make sure that you have removed the wireless package first. This has worked for me on my network. See the other posts for a detailed explanation of the procedure to upgrade.

pauljatho

WOW Timo take it easy pal, I think that it is great that if a member of this forum has a tried and tested solution then why not promote it.

pauljatho

I have just changed over 1 of my 5Ghz links (20Km) to 5Ghz-turbo and my speeds have gone up from 13.3Mbps to 19Mbps Yipeeeee 6Mbps for free. I have standard RB230 and will be interested to test with 1Ghz CPU.
Thanks for the help

pauljatho

Excuse my ignorance here but I was always under the impression that 5Ghz only worked over very short distances so have not yet tested it, Are there specific frequences to turbo mode or can I use any of the frequencies in the 5.8Ghz band ie 5725-5825.

Thanks for the info.

pauljatho

Are you saying that the CPU speed affects the throughput only if using N-Streme or will it also affect throughput using the standard wireless protocols ?

pauljatho

I was not aware that 5G turbo worked over a 5Km distance, have you only tested 5Ghz, N-streme, 2.8.18 in the lab or have you tested in a live environment over distance ? if so what is the maximum distance that you have achieved this over ?

pauljatho

About 25Mbps effective througput in 1 direction.

pauljatho

Jober please see my reply in the other topic, I upgraded 1 of my live routers yesterday from 2.8.17 to 2.8.18, the only thing that I seem to have done differently to you guys is that I actually did first remove wireless and then installed wireless-legacy (please see http://www.mikrotik.com/forum/vie...

pauljatho

You will not loose your settings but you will loose your wireless connectivity until you reinstall the wireless package. I would however suggest that you first backup your config. Here are the steps Backup the system (/system backup save) Make SURE that you have connectivity on the ethernet port or ...

pauljatho

I run my entire network with the RB230 and Atheros 5212 cards, when I uploaded 2.8.17 without wireless-legacy I only experienced problems on my 5.8Ghz links !! and not my 2.4Ghz links. I uploaded wireless-legacy without removing the wireless package and all of my problems were solved. I do not have ...

pauljatho

Hi Mateo I have a 5.8Km link running 2 routerboard's with atheros minipci cards and 2 x 24Dbi Hyperlink grids, I am getting 24Mbps throughput when testing with the bandwidth-test. I think that that is pretty much the best throughput that you can expect to achieve with 802.11g, even when I test on a ...

pauljatho

Try sending the backups to your internal mail server and then forwarding them onto your pc, this will sort out the date/time problem.

pauljatho

I had similar issues with 2.8.17, I loaded wireless-legacy and it sorted out all of my problems.
I have not yet tested with 2.8.18 but presume that my findings will be the same.

pauljatho

The obvious answer here is to run AV on the client and stop the Virus from sending packets to the MT. Alternatively block these packets on your firewall.

pauljatho

Hi Pritchie I was previously running 2.8.11 on all of my routerboards, last week after some testing I decided to upload version 2.8.17. Everything worked very well but when I did a bandwidth test on the mikrotik's I found that all of my 2.4Ghz links were fine speed wise and that all of my 5.8Ghz lin...

pauljatho

I have a 5Km 802.11g link using 2 x Mikrotik Routerboard 230 with atheros cm7 minipci, with 2 x Hyperlink 24Dbi Grid Antenna's and am getting an effective throughput of about 23Mbps. Provided you have no obstacles in the way and there is little or no 2.4Ghz in the area you should be able to achieve ...

pauljatho

I had speed issues on 5.8Ghz with 2.8.17, uploaded wireless-legac package and it sorted out all of my speed issues.

pauljatho

Try to run a scan and see if there is any new equipment in the area running on the same band. If there is try changing the channel. Weather will also affect throughput.

pauljatho

Hi Normis,

I need to upgrade these units over the wlan interface, so I will not be able to remove the package's first !!!
When I visit my high site's again I will remove and install the new packages.
What problems can I look out for running wireless and legacy at the same time.

pauljatho

I loaded the legacy packages last week and it sorted out my 5.8Ghz throughput problems. I did not first remove the wireless package !! and it seems ok with that. Hopefully the problems with the wireless package will be sorted out in the near future as it has a lot more features than the legacy packa...

pauljatho

Hi I was previously running 2.8.11 on my backbone which comprises 802.11 a + b + g. My throughput on my 5Ghz links was about 15Mbps effective, today I loaded 2.8.17 on my entire network and my speeds are now down to less than 1Mbps !!!!!! It seems that all of my 2.4Ghz links are still fine throughpu...

pauljatho

I am not sure if this is what you want but basically I have a linux / unix script that can telnet to a M/T or any device running the telnet daemon and execute a command/s. Please see the code to the script below. Syntax is script-name IP username password. You must just change the CMD1 Variable to y...

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2.8.22 "non legacy wireless" & 5Ghz working

Alignment Mode

Routerboard hangs if AP set to G and Station set to B