MikroTik

Posted: **Wed Feb 20, 2013 3:42 pm**

What's new in 5.24 (2013-Feb-19 15:29):

*) l2tp - fixed problem with reconnects when it added multiple ip addresses;
*) wireless - fixed AES encryption speed issues (upgrade suggested);

http://www.mikrotik.com/download

Posted: **Wed Feb 20, 2013 4:08 pm**

Changelog is messed:
http://www.mikrotik.com/download/CHANGELOG_5

any NV2 changes?

Posted: **Wed Feb 20, 2013 4:18 pm**

*) wireless - fixed AES encryption speed issues (upgrade suggested);

On 6rc? this did great things in some situations for me.

Posted: **Wed Feb 20, 2013 5:15 pm**

Uldis, why you first post have only two lines? CHangelog have 6lines

Posted: **Wed Feb 20, 2013 5:38 pm**

Changelog is messed:
http://www.mikrotik.com/download/CHANGELOG_5

any NV2 changes?

Now no NV2 freezing with 5.24
http://forum.mikrotik.com/viewtopic.php?f=7&t=69064

Posted: **Wed Feb 20, 2013 6:18 pm**

why don't you guys write full change reports ? ? ?

Is their any changes regarding NV2?

Posted: **Wed Feb 20, 2013 6:52 pm**

Uldis, why you first post have only two lines? CHangelog have 6lines

Looks like the v5.23 and v5.24 changelog mixed together that is why you see 6 lines.

Posted: **Wed Feb 20, 2013 6:54 pm**

why don't you guys write full change reports ? ? ?

Is their any changes regarding NV2?

There are some few fixes for Nv2 that will increase the stability so If you are using Nv2 we recommend to upgrade the AP and the Clients to this version.
If you still see some lockups please report back and write to support.

Posted: **Wed Feb 20, 2013 7:05 pm**

Every time something is omitted from the changelog, a kitten dies.

Posted: **Wed Feb 20, 2013 7:27 pm**

will help a little spreading the torrent

Posted: **Wed Feb 20, 2013 8:16 pm**

Uldis, why you first post have only two lines? CHangelog have 6lines
Looks like the v5.23 and v5.24 changelog mixed together that is why you see 6 lines.

I see in changelog

What's new in 5.24 (2013-Feb-19 15:29):

*) l2tp - fixed problem with reconnects when it added multiple ip addresses;
*) wireless - fixed AES encryption speed issues (upgrade suggested);
*) lcd - changed gamma, which gives greater contrast
*) fix reboot when running on third party hypervisors;
*) ppp client - fixed possible loss of configuration after reboot for some modems;
*) fixed wifi led order on "SXT Lite5";

http://www.mikrotik.com/download/CHANGELOG_5

Posted: **Wed Feb 20, 2013 8:31 pm**

ROS 5.23 and ROS 5.24 start problem with protocol ssh in mpls , when is used pptp.

H1----R1--(MPLS)---R2--(MPLS)---R3---(MPLS over pptp)--R4---H2

Host H1 can't connect to host H2 used ssh.

Posted: **Wed Feb 20, 2013 10:50 pm**

Interesting first-hand notice of ROS 5.24 and RB2011.. On the spur of the moment I decided to try MetaROUTER after upgrade. I imported same OpenWRT image as earlier, made same basic setup as earlier and started to load it, just like I have done several times before (with different ROS versions).

BUT! This time is totally different than those previous times, because after 1,5 hours I have lost exactly Zero (0) packets from my datastream. Time period is not so long that no-one can say anything sure, but so far this seems very stable. Response times for ping are varying from <1ms to ~10ms (mostly <1 as it should be of course).

Previous times I had constant freezes every ~10 minutes or so, so something has changed somewhere. My device is exactly in same room and in same temporature and in same load and in same everything than earlier.

Edit: Have to say that I didn't try MT with 5.23, because I had other problems and I was forced to downgrade back to 5.22.

Edit#2: Ok, had first freeze after 2 hours, so forget. Everything is like before.

Posted: **Thu Feb 21, 2013 12:22 am**

*) l2tp - fixed problem with reconnects when it added multiple ip addresses;

What exactly is this change? Can I please get more info on this?

Posted: **Thu Feb 21, 2013 12:36 am**

how about wds and ospf?

Posted: **Thu Feb 21, 2013 1:07 am**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link

Posted: **Thu Feb 21, 2013 10:32 am**

Upgrade from 5.23 to 5.24 yesterday and it seems that I can't see the graghing any more on: routerIP/graghs - It just shows a blank page below "Traffic and system resource graphing" headend.

I've enabled graghing as I did on 5.23 release but I can't see the graphs any more!

Posted: **Thu Feb 21, 2013 10:40 am**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link

Can you replicate it with a simple bandwidth test?

Posted: **Thu Feb 21, 2013 12:10 pm**

Where is 5.23 ?

Posted: **Thu Feb 21, 2013 4:12 pm**

ROS 5.23 and ROS 5.24 start problem with protocol ssh in mpls , when is used pptp.

H1----R1--(MPLS)---R2--(MPLS)---R3---(MPLS over pptp)--R4---H2

Host H1 can't connect to host H2 used ssh.

Have you changed MPLS MTU to make it work over pptp tunnel? PPTP adds overhead and reduces MTU.

Posted: **Thu Feb 21, 2013 4:14 pm**

Hello MikroTik support team,

any update on Ticket#2013010766000731, please?

Thank you

Posted: **Thu Feb 21, 2013 4:21 pm**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link

we can't reproduce it.
Please email to support with support files attached at the moment when the link has locked up.
Was it working ok with v5.23?

Posted: **Thu Feb 21, 2013 4:25 pm**

Hello MikroTik support team,

any update on Ticket#2013010766000731, please?

Thank you

we have reported that bug and it will be fixed soon.

Posted: **Thu Feb 21, 2013 8:05 pm**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link
we can't reproduce it.
Please email to support with support files attached at the moment when the link has locked up.
Was it working ok with v5.23?

This also happens to me, with 5.23 and 5.24, with much less data.

Posted: **Thu Feb 21, 2013 10:37 pm**

A new RB2011 died after upgrade from 5.23 to 5.24...

wow

Posted: **Thu Feb 21, 2013 10:45 pm**

A new RB2011 died after upgrade from 5.23 to 5.24...

wow

I upgraded an RB2011 from 5.23 to 5.24 and then upgraded the firmware. Not only did it go smoothly, but a wireless ethernet bridge I had on the network is now able to connect without any dropouts (it was disconnecting every few mins on 5.23).

Posted: **Thu Feb 21, 2013 10:54 pm**

Well
In the last month died a RB750 ugrading from the 5.21 to 5.23

latest firmware installed.

died and stops.

Posted: **Thu Feb 21, 2013 10:57 pm**

Upgraded a few devices without issues so far. Some critical and others non-critical. I always make sure that nand-if-fail-then-ethernet is enabled on each device, and that all npk files are copied correctly before upgrading. Surprisingly on 951-2n current firmware is 3.05

Posted: **Fri Feb 22, 2013 12:58 am**

The 2011 just died
I link it to power,
the blue led powerups, no lcd, nothing

I plugged in the console cable to the rear port, nothing
no output

Posted: **Fri Feb 22, 2013 2:06 am**

wifi changes???

ping to my Motorola Atrix 2 on wifi

[admin@MikroTik] > ping 192.168.1.5
HOST SIZE TTL TIME STATUS
192.168.1.5 timeout
192.168.1.5 timeout
192.168.1.5 56 64 649ms
192.168.1.5 timeout
192.168.1.5 timeout
192.168.1.5 timeout
192.168.1.5 56 64 406ms
192.168.1.5 timeout
192.168.1.5 56 64 138ms
192.168.1.5 timeout
192.168.1.5 timeout
192.168.1.5 timeout
192.168.1.5 56 64 320ms
sent=13 received=4 packet-loss=69% min-rtt=138ms avg-rtt=378ms max-rtt=649ms

Posted: **Fri Feb 22, 2013 3:20 am**

And what about Ticket#2013020766000381 - Completely incorrect route decision in Mikrotik all ROS 5.xx (and latest) ???

Posted: **Fri Feb 22, 2013 10:19 am**

igor88, did you saw the same problem with v5.23?
Do you have Powersaving feature enabled on that motorola device?

Posted: **Fri Feb 22, 2013 10:39 am**

And what about Ticket#2013020766000381 - Completely incorrect route decision in Mikrotik all ROS 5.xx (and latest) ???

We are working on it. Fix will be in v6

Posted: **Fri Feb 22, 2013 1:53 pm**

*) ppp client - fixed possible loss of configuration after reboot for some modems;

Still have bug. For some modems, after reboot, I see another ppp-cli interface (disabled, ppp-out1, added by router). Previously configured ppp-cli interface points to the unavailable usb port, because router increase usb number (for example, it was usb2, after reboot it becomes usb3...)

Posted: **Fri Feb 22, 2013 2:01 pm**

Code: Select all
*) ppp client - fixed possible loss of configuration after reboot for some modems;
Still have bug. For some modems, after reboot, I see another ppp-cli interface (disabled, ppp-out1, added by router). Previously configured ppp-cli interface points to the unavailable usb port, because router increase usb number (for example, it was usb2, after reboot it becomes usb3...)

Some specific modems?
When need to know exactly how it can be reproduced. If it happens very often we would require remote access so we could debug this problem and look for a solution.

Posted: **Fri Feb 22, 2013 2:42 pm**

We have a lockup when using nv2 with 5.24,5.23,5.22..., must then disable and enable the AP card to return traffic.
I believe this happens because the station bridge mipsbe, I'll switch to a powerpc to know.

Posted: **Fri Feb 22, 2013 5:03 pm**

dzieva, please upgrade both AP and client to v5.24 and check again.
If it still happens please write to support@mikrotik.com

Posted: **Fri Feb 22, 2013 5:59 pm**

*) wireless - fixed AES encryption speed issues (upgrade suggested);

Care to elaborate? Which instance? Does this apply to ANY use of AES (WPA2 w/AES) with ANY prior version?

What were the problems?

Posted: **Fri Feb 22, 2013 6:09 pm**

*) wireless - fixed AES encryption speed issues (upgrade suggested);
Care to elaborate? Which instance? Does this apply to ANY use of AES (WPA2 w/AES) with ANY prior version?

What were the problems?

Especially since when (what version and/or date)

Posted: **Fri Feb 22, 2013 9:48 pm**

after 2 days of uptime with 5.24 ... my rb800 just rebooted without any aparent reason

supout attached

Posted: **Sat Feb 23, 2013 10:23 am**

*) wireless - fixed AES encryption speed issues (upgrade suggested);
Care to elaborate? Which instance? Does this apply to ANY use of AES (WPA2 w/AES) with ANY prior version?

What were the problems?
Especially since when (what version and/or date)

I'm interested as well...

Are there any news about the infamous RB493AH problem???
http://forum.mikrotik.com/viewtopic.php?t=29640&f=
Thank you

Posted: **Sat Feb 23, 2013 10:45 am**

I guess mistiq is right... Fixing LCD gamma has become more important than fixing RouterOS's core functionality...

Posted: **Sat Feb 23, 2013 11:56 am**

My RB2011UAS-RM self reset setting after upgrade to 5.24

After upgrading, i am download upgrade again(use cell phone), because updater in winbox update my RB not correctly!

Sorry for my bad English...

Give quality updates to people! =)

Posted: **Sat Feb 23, 2013 12:05 pm**

And what about Ticket#2013020766000381 - Completely incorrect route decision in Mikrotik all ROS 5.xx (and latest) ???
We are working on it. Fix will be in v6
are you kidding? Mikrotik is a router - routing not working, but you are fix lcd, leds and same unimportant things...
Perfect!

+1

Posted: **Sat Feb 23, 2013 1:57 pm**

we did see a lockup when installing 5.24 on RB433AH devices,

on other devices like RB600, Omnitik, STX, RB711 RB433(without AH) it seams to work without issues

so we had to downgrade again to get the network up/runing again (did not work via Remote)

Posted: **Sat Feb 23, 2013 2:05 pm**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link

... I was just about to post the same complaint!

I updated one of our links (bridge/station-bridge with nv2 on x86 hardware, 2km distance, dual pol) - both ends - to 5.24...
After 3-4 hours passing traffic of about 80-90Mbps it suddenly stopped. Then, I just disabled/enabled the wlan1 interface on the bridge side of the link and it resumed for another 4-5 hours, then stopped again.
...before I downgraded back to 5.23 I did make a supout.rif file. I Will submit it to support...

Note: the link is stable with 5.23 ever since...(300/300Mbps)! Before the upgrade it was on ROS 5.21 and the link's uptime was exactly the same as the router's > 151 days!!

Posted: **Sat Feb 23, 2013 2:36 pm**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link
... I was just about to post the same complaint!

I updated one of our links (bridge/station-bridge with nv2 on x86 hardware, 2km distance, dual pol) - both ends - to 5.24...
After 3-4 hours passing traffic of about 80-90Mbps it suddenly stopped. Then, I just disabled/enabled the wlan1 interface on the bridge side of the link and it resumed for another 4-5 hours, then stopped again.
...before I downgraded back to 5.23 I did make a supout.rif file. I Will submit it to support...

Note: the link is stable with 5.23 ever since...(300/300Mbps)! Before the upgrade it was on ROS 5.21 and the link's uptime was exactly the same as the router's > 151 days!!

This problem is battering me for a long time
I m asking my self why I don't have this problem with OmniTik+SXT
only in a case where I m using Board as a AP with R52Hn + SXTs as a clients

Posted: **Sat Feb 23, 2013 3:48 pm**

?.?? - 5.24 annoying behaviour of mac telnet, ap - client:

connect to ap, look at registration and select one of connected clients (mode station wds and station bridge tested) and try to connect with mac telnet ->

Login: admin
Password:
Trying 00:0C:42:xx:xx:xx

and window title bar says MAC Telnet 00:0C:42:xx:xx:xx (Disconnected)

but PASSWORD is correct ! client is correctly reachable using winbox+ip, dunno why is mactelnet not working, it is realy annoying - i must go there on client side when i do sg wrong (ip address changing/removing/reconfiguring) in configuration and client is still connected on ap but i cant connect there ...

Posted: **Sat Feb 23, 2013 4:07 pm**

test on the table
everything 5.24 and routerboard firmware 3.02:

ap 433ah + r52, r52hn, r52n,
clients rb411 + integrated card, rb411+ r52, rb411+tplink TL-WN662AG, rb711-5Hn
ap+ connected 4 clients, generating random traffic 5-40Mbps on one pc connected to ap, some PCs connected on clients

test1: routed network, NV2, ap card r52n mode 5GHz A/N, clients in station mode ether1 routed networks,
after ~2 hours lockup of wifi card on AP side tx 0bps

test2: bridged network, NV2, ap card r52n mode 5GHz A/N, clients in station bridge mode,
after ~1 hour lockup, same behaviour

test3: same as above, station WDS mode,
after ~1 hour lockup, same behaviour

same results with r52hn
tested also omnitik+sxt <1hour to lockup, traffic 30-40M

i have also tried another card on ap, r52n another series and same results ...

WHAT ABOUT FIXING THIS BUG? looks like this situation can be easily simulated ...

Posted: **Sat Feb 23, 2013 5:08 pm**

test on the table
everything 5.24 and routerboard firmware 3.02:

ap 433ah + r52, r52hn, r52n,
clients rb411 + integrated card, rb411+ r52, rb411+tplink TL-WN662AG, rb711-5Hn
ap+ connected 4 clients, generating random traffic 5-40Mbps on one pc connected to ap, some PCs connected on clients

test1: routed network, NV2, ap card r52n mode 5GHz A/N, clients in station mode ether1 routed networks,
after ~2 hours lockup of wifi card on AP side tx 0bps

test2: bridged network, NV2, ap card r52n mode 5GHz A/N, clients in station bridge mode,
after ~1 hour lockup, same behaviour

test3: same as above, station WDS mode,
after ~1 hour lockup, same behaviour

same results with r52hn
tested also omnitik+sxt <1hour to lockup, traffic 30-40M

i have also tried another card on ap, r52n another series and same results ...

WHAT ABOUT FIXING THIS BUG? looks like this situation can be easily simulated ...

As per 5.23 thread, the cause was the new firmware 3.02, i myself now upgrade RB450G and 493AH to 5.24 using firmware ver 2.41 and everything runs ok.

Posted: **Sun Feb 24, 2013 1:07 am**

problem with nv2 freezing was in 5.21 5.22 5.23 5.24,

if fw 3.02 is cause - what about some new fixed version?

btw is there any way how to downgrade to 2.14 without downgrading routeros to older version?

Posted: **Sun Feb 24, 2013 2:21 am**

test on the table
everything 5.24 and routerboard firmware 3.02:

ap 433ah + r52, r52hn, r52n,
clients rb411 + integrated card, rb411+ r52, rb411+tplink TL-WN662AG, rb711-5Hn
ap+ connected 4 clients, generating random traffic 5-40Mbps on one pc connected to ap, some PCs connected on clients

test1: routed network, NV2, ap card r52n mode 5GHz A/N, clients in station mode ether1 routed networks,
after ~2 hours lockup of wifi card on AP side tx 0bps

test2: bridged network, NV2, ap card r52n mode 5GHz A/N, clients in station bridge mode,
after ~1 hour lockup, same behaviour

test3: same as above, station WDS mode,
after ~1 hour lockup, same behaviour

same results with r52hn
tested also omnitik+sxt <1hour to lockup, traffic 30-40M

i have also tried another card on ap, r52n another series and same results ...

WHAT ABOUT FIXING THIS BUG? looks like this situation can be easily simulated ...

As per 5.23 thread, the cause was the new firmware 3.02, i myself now upgrade RB450G and 493AH to 5.24 using firmware ver 2.41 and everything runs ok.

how to downgrade routerboard firmware?

i have WDS-mesh network with OSPF routing, i stuck to improper routing

Posted: **Sun Feb 24, 2013 6:13 am**

problem with nv2 freezing was in 5.21 5.22 5.23 5.24,

if fw 3.02 is cause - what about some new fixed version?

btw is there any way how to downgrade to 2.14 without downgrading routeros to older version?

Here You go (Use WinBox) :
1. http://download2.mikrotik.com/routeros/ ... e-5.22.npk
2. Copy and paste it on "Files"
3. Go to /system/package then click "Downgrade" then it will reboot, or you must reboot after that (/system/reboot)
4. Check Your Version it's must be 5.22.
5. Then go to /system/routerboard, you will notice that "Current Firmware: 3.02" and "Upgrade Firmware: 2.41"
6. If Current firm are high version than Upgrade firm then you can click "Upgrade" and make sure it done.
7. Then reboot your router from /system/reboot
8. After reboot, check /system/routerboard you'll see all firmware version now 2.41.
9. Done.

Posted: **Mon Feb 25, 2013 10:25 am**

O_o

/system package downgrade is ekvivalent

but i know that i can downgrade to older version and /system routerboard upgrade

isnt that downgrading version?

already tested 5.22 with fw 2.41 is freezing wireless too ... that isnt solution, only more work to do and problem rests

Posted: **Mon Feb 25, 2013 2:05 pm**

Any answer from support? Problem is with this BIOS version? Any fix?

Posted: **Mon Feb 25, 2013 2:43 pm**

isnt that downgrading version?

after that you just upgrade RouterOS and don't touch the firmware - you will have 5.24 and 2.41

Posted: **Mon Feb 25, 2013 2:48 pm**

the RouterBOOT upgrade version can be shown as 2.41 if you have manually uploaded an older FWF file

Posted: **Mon Feb 25, 2013 4:10 pm**

downgrading upgrading ... omg no way. Ill not downgrade xyz pieces of RBxxxx
of course manually because there is no automated way ...

I will build stable wireless networks - but now I think I bought some low cost radar jammer piece of crap with buggy software, if I wish see wifi lockups i can go and buy OvisLink, it can stuck every hour ...

ANY CLEVER, AUTOMATED, WORKING AND STABLE SOLUTION REQUIRED.

FWF? where to get .fwf? thats some standalone firmware file? for rb411 rb433ah rb711 and sxt + omnitik?

Posted: **Mon Feb 25, 2013 4:25 pm**

the RouterBOOT upgrade version can be shown as 2.41 if you have manually uploaded an older FWF file

And it is solution for problem?

Posted: **Mon Feb 25, 2013 4:49 pm**

i guess no, because with routeros 5.22 was fw 2.14 for 411+433

and known wifi lockup problem was allready here

Posted: **Mon Feb 25, 2013 8:37 pm**

In 5.24 upgrade firmware button does not work in Winbox on RB951-2n and RB951G-2HnD. /system routerboard upgrade works.

Now please continue the discussion about nv2 lockups. I am courious when this will be resolved, without going back in time and downgrading to anything pre 5.15.

Posted: **Tue Feb 26, 2013 10:30 am**

at https://ispforum.cz/viewtopic.php?f=43&t=11424

aspekts:
-NV2 enabled
-higher load cca 20mb 40mb and more causes probably freezing often
-N, A/N freezes often than A

amount of transferred data betweeen freezes unknown
last packets/packets in buffer unknown

probably problem with TDMA - card driver - timing, whatever, looks like it doesnt depend on card you have (r52,r52n,r52hn,tplink,cm9...)

Posted: **Tue Feb 26, 2013 10:39 am**

by the way there is POE problem on Omnitik:

PoE settings on port auto on is not working, must be switched to force and now it works

nice bug

Posted: **Tue Feb 26, 2013 6:21 pm**

gluetea,
on which board the new 3.02 firmware was causing problems?

Posted: **Tue Feb 26, 2013 6:34 pm**

by the way there is POE problem on Omnitik:

PoE settings on port auto on is not working, must be switched to force and now it works

nice bug

Just tested on OmniTik - switched port to forced-off, then back to auto-on and the device powered up without any problems.

Try to go into the "/interface ethernet poe settings" and check what version POE you have.

Posted: **Wed Feb 27, 2013 4:52 am**

Anyone else having a problem with Webproxy on 5.24? I have two units a RB450 and 751G that both will stop running after a while. Using the firewall to only forward port 80 traffic to the proxy. Works fine for a while then router becomes unresponsive and can no longer ping the IP address or see the IP V6 address. I have a bridge running on the 450 and traffic still is passing though it. Have not been able to get a serial console setup on the 450 to see what is happening. Hoping I will have time tomorrow to do that. BTW it normally takes at least an hour for the problem to happen and passing though at least a few hundred or more megs of traffic..

Posted: **Wed Feb 27, 2013 5:36 pm**

Hi,

The target upload/download captions seem to be reversed in simple queue settings.
Please see attached screenshot.

Additionally it is not possible to set queues using terminal, for example:

add burst-limit=0/0 burst-threshold=0/0 burst-time=0s/0s direction=upload disabled=no interface=ether1-modem limit-at=0/0 max-limit=0M/10M name=ether1-modem packet-marks="" parent=none priority=8 queue=default/default target-addresses="" total-queue=default

results in tx max unchecked/unset.

up_down.jpg

Ticket#2013022766000709

Posted: **Thu Feb 28, 2013 7:49 am**

gluetea,
on which board the new 3.02 firmware was causing problems?

I was using it at RB450G and RB493AH, mostly for static routing, loadbalancing and traffic sharper. At ROS 5.22 and firmware 2.41 everything just fine, upgrade it to 5.23 and firmware 3.02 problem start to happen, my RB450G and RB493AH ether having enable and disable each several hours (sometime each several minute). So i have to find a away to downgrade and problem still exist after down to 5.22, then i try to downgrade to firmware 2.41, problem stop.

And now i upgrade my RB450G and RB493AH to ROS 5.24 with firmware stay fix to 2.41, everything run smooth no problem exist.

Posted: **Thu Feb 28, 2013 8:45 am**

The AP is SXT G-2HnD Txchain1,Rx chain1 is not enabled. Thе picture shows C1 CH2. Tis has a lot of variation singnal photo 1 and 3 are the same CPE. CPE is TP-link 5210. After test's only workable on 2412 to 2427. Signal levels ranging from -41 to -75 depending on position and distance, the result is the same.

Posted: **Thu Feb 28, 2013 6:49 pm**

Where is SNMP in 5.24 MIPSBE (RB450G)? Not working ... turned on, none firewall, snmp doesn't respond.
Downgrade to 5.23 - it's OK.

Same configuration, but POWERPC (RB1100AH) - everything fine.

edit: without ANY configuration changes ... SNMP is working. I just waited an hour. I'm stupid, or ROS? I testing this behavior on 3 pieces of routerboard ...

Posted: **Fri Mar 01, 2013 6:44 pm**

[5.24][userman]Activated by the remote host account time bug
http://forum.mikrotik.com/viewtopic.php?f=10&t=70383

Posted: **Sat Mar 02, 2013 12:11 am**

Hmmmm.........That is what I see after upgrading from 5.23 to 5.24.
With the 5.23, I could see my graghs on 192.168.1.10/32

NOW I just can't, PLUS look at the YEAR AND the MONTH showing on the graghs - APRIL has passed and I didn't noticed!!...

- The clock in routerboards is seted up with NTP and it is OK and correct but on the graghs I see the below...

Posted: **Sun Mar 03, 2013 12:38 pm**

In 5.23 I have wireless lockups in an 711GA-5HnD, nstream.
does 5.24 resolves it?
thanks

Posted: **Wed Mar 06, 2013 8:44 am**

What's new in 6.0rc11 (2013-Feb-22 09:17):
*) sstp server - added option to force AES encryption;

Is there any plans to bring this feature to ROSv5?

Posted: **Wed Mar 06, 2013 1:23 pm**

In 5.23 I have wireless lockups in an 711GA-5HnD, nstream.
does 5.24 resolves it?
thanks

So far, 5.24 has not locked up in over 100 RB800 AP's running NV2 connecting to RB711's

Posted: **Wed Mar 06, 2013 4:30 pm**

good to know,,, but I am getting more confused by the issue..

Nomis has just told me to upgrade from 5.22 to 5.24 on a sextant that had frozen interface issue,,, on all those RB800, did you upgrade FW to 3.02 as well?

I am seeing some posts that are suggesting not to upgrade the FW from 2.41,,,

Nomis, can you clear this up?

Posted: **Wed Mar 06, 2013 9:34 pm**

on all those RB800, did you upgrade FW to 3.02 as well?

Yes, all our AP's and CPE's are on 3.02

Posted: **Wed Mar 06, 2013 11:45 pm**

quick question,

i'm running a hotspot (version 2.8.13) on a pc box and was hoping to upgrade it to something a bit more current. Can i upgrade directly to 5.24 or do i need to do something older first.

Posted: **Thu Mar 07, 2013 2:58 pm**

Ethernet port flapping is not fixed (SEXTANT 5HnD). wireless interface freezing on SEXTANT 5HnD not yet fixed!

Posted: **Thu Mar 07, 2013 6:29 pm**

so the fw is just problem on nv2 or has anyone found other problems

Posted: **Fri Mar 08, 2013 8:10 pm**

RB450G eth1 port flapping is not fixed too.

Posted: **Fri Mar 08, 2013 10:22 pm**

My sextantG just froze its wlan,,, I was using ros5.24 + fw3.02

Now using netwatch to run a script to disable/enable.

Whats the advice please MT..

Posted: **Fri Mar 08, 2013 11:34 pm**

My sextantG just froze its wlan,,, I was using ros5.24 + fw3.02

Now using netwatch to run a script to disable/enable.

Whats the advice please MT..

You are not alone

My Sextant,s i frozen too...5.24 + fw3.02

Posted: **Fri Mar 08, 2013 11:36 pm**

try to leave latest ROS and firmware 2.41

Posted: **Sat Mar 09, 2013 12:36 am**

5.24 + FW 3.02 + RB435G - when i change from wireless 802.11 to nv2 router reboots...
After reboot in log i see "kernel failure" - something wrong... RB433 in other place too

Changing "other things" like channel, and preamble or something makes reboot too...

Posted: **Sat Mar 09, 2013 12:39 am**

Keep latest routeros,
just recover the unit using netinstall then downgrade the firmware to 2.41

it will be ok again. There are serious problems with firmware 3.x

Posted: **Sat Mar 09, 2013 9:23 am**

Hello Folks!

Testing two devices after reading about the problems with new firmware.

RB433 access point for a office landscape.
RB333 VPN router for many clients, refused to upgrade via "the dude" first time just reboot nothing in logs, second time it was successful.

After 24 business hours, nothing unusal has been observed.

Posted: **Sat Mar 09, 2013 10:14 pm**

2x RB751G 5.24 fw 3.02

file copy WIN7 <-> WIN7:
PC <-eth-> RB751G <- wlan 802.11n -> RB751G <-eth-> notebook speed 1,7-2,2 MB
PC <-eth-> RB751G <- wlan nv2 -> RB751G <-eth-> notebook speed 7-11,8 MB (Limited by notebook lan 100Mbit) Btest UDP 186Mbit s/r & 86/100 Mbit both TCP 48Mbit

PC <-eth-> TL-WR1043ND <- wlan 802.11n -> RB751G <-eth-> notebook speed 7-9 MB
PC <-eth-> RB751G <- wlan 802.11n -> TL-WA901ND <-eth-> notebook speed 7-9 MB
PC <-eth-> TL-WR1043ND <- wlan 802.11n -> TL-WA901ND <-eth-> notebook speed 7-9 MB
PC <-eth-> RB751G <- wlan 802.11n -> notebook speed 7-9 MB

Posted: **Wed Mar 13, 2013 7:26 pm**

Hello Folks!

Testing two devices after reading about the problems with new firmware.

RB433 access point for a office landscape.
RB333 VPN router for many clients, refused to upgrade via "the dude" first time just reboot nothing in logs, second time it was successful.

After 24 business hours, nothing unusal has been observed.

Upgraded some more stations, no abnormal behavior observed, the previously upgraded stations is rock solid.
We will move on upgrade more business critical devices.

Posted: **Wed Mar 13, 2013 10:45 pm**

But isn't the "firmware" just the bootloader? How can that affect RouterOS? It just permits serial upload of ROS from Netinstall.
If it's bad, we wouldn't be able to Netinstall or at worse, not be able to start RouterOS. Am I misunderstanding what the "firmware" is?

Posted: **Wed Mar 13, 2013 10:48 pm**

I speak about the routerboot firmware, as the BIOS of the card.

Since I had 2.41 bootloader, I upgraded about 10 versions of routerOS without any issue.
when I put 3.x I began having troubles with normal updates.

Posted: **Wed Mar 13, 2013 10:55 pm**

What's new in 5.24 (2013-Feb-19 15:29):

*) l2tp - fixed problem with reconnects when it added multiple ip addresses;
*) wireless - fixed AES encryption speed issues (upgrade suggested);

http://www.mikrotik.com/download

When will we get a version that will fix the usermanager?

Posted: **Wed Mar 13, 2013 11:56 pm**

But isn't the "firmware" just the bootloader? How can that affect RouterOS?

I thought the same until I had to upgrade BIOS on one of my Intel server - after that Intel NIC on that router stopped hanging each 1/2 hour. on the other router after BIOS update I got max ~970 Mbps instead of ~850 Mbps

Posted: **Thu Mar 14, 2013 4:45 pm**

In RB2011 i have bios 3.04 where is upgrade for older boards?

Posted: **Thu Mar 14, 2013 10:07 pm**

I did not understand your question.
put latest router os and update on the board manually the older FWF file

Posted: **Fri Mar 15, 2013 9:00 am**

In RB2011 i have bios 3.04 where is upgrade for older boards?

older boards don't need it. the upgrade only fixes RB2011 related issues. each board has different RouterBOOT versions.

Posted: **Fri Mar 15, 2013 6:15 pm**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link
we can't reproduce it.
Please email to support with support files attached at the moment when the link has locked up.
Was it working ok with v5.23?

Support files? Do you mean supout?

Posted: **Sat Mar 16, 2013 4:39 pm**

RB951G-2hnd 5.24 - not available USB power reset feature, introduced in 4.13

Posted: **Sun Mar 17, 2013 4:02 am**

All updated fine on many devices and wireless has been solid for 2 days so far. I think we get slightly better more stable speeds (specially when running a both direction speed test) on this version nv2.

Posted: **Sun Mar 17, 2013 11:24 am**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link
we can't reproduce it.
Please email to support with support files attached at the moment when the link has locked up.
Was it working ok with v5.23?
Support files? Do you mean supout?

it happens with 5.23 and 5.24 with firmware 2.41 and 3.02 and goes up to 6.12
we are trying to make a supout file but it does not always work (rb stuck)
it only happens when data runs at 30-40mibs both ways
there is definitely something wrong with nv2 and when you ajust the tdma period size it goes from 1 hour link hanging to 4 hours hanging
when link is stuck ccq goes to 12/12 and no data flows till the link is disabled and enabled again
this happens on A and N links

Posted: **Mon Mar 18, 2013 12:54 pm**

For me v5.24 with all upgraded firmwares on all boards works for now excellent

First day was strange, but after week i don`t see reboots or disconnects.
On few routers i make reset-configuration then setup from zero - works fine!
Good job! For now i testing v6rc11 on few boards and works too...
When final version of v6?

Posted: **Mon Mar 18, 2013 2:38 pm**

For me v5.24 with all upgraded firmwares on all boards works for now excellent
First day was strange, but after week i don`t see reboots or disconnects.
On few routers i make reset-configuration then setup from zero - works fine!
Good job! For now i testing v6rc11 on few boards and works too...
When final version of v6?

Hi
how much data are you moving on your wireless link

Posted: **Mon Mar 18, 2013 8:07 pm**

Always the same shit, AP stops transmitting data at any time! Clients are angry.
They do stupid things just type quote changelog: lcd - changed gamma, which gives greater contrast
Super, NV2 does not work, but most that I can adjust the contrast.

Posted: **Mon Mar 18, 2013 8:26 pm**

Yes, problem is still in 5.24. We wait for 5.25 with fixed NV2

Posted: **Mon Mar 18, 2013 9:41 pm**

Same problem... NV2 stop working.. only solution is disable/enable wlan card, or reboot..

Posted: **Mon Mar 18, 2013 10:46 pm**

same problem!!

Posted: **Tue Mar 19, 2013 8:42 am**

here is a screen shot of link stopping to transmit and tx ccq dropping

link_hang.jpg

Posted: **Tue Mar 19, 2013 9:35 am**

Hi
how much data are you moving on your wireless link

we observe the problem since 5.22 (or maybe 5.21) and IMHO it is not directly connected to high amount of data. There is some race condition in NV2 code either on AP or on client side probably.

Note: it seems to we observe two kinds of the problem (or maybe two variants of the same bug). Several times we had an AP with poor transfare rate - because one or several of clients were locked on basic TX rate (from point of AP). After we reconnected these clients the AP worked OK. The more frequent case is complete AP NV2 lockup. But since some of our operators didn't try to check for low TX modulation lock the total NV2 lockup reported to me could be low TX modulation lockups instead (on some links with higher traffic the remote side will not be easily accessible if only low TX modulation is available).

Posted: **Tue Mar 19, 2013 12:12 pm**

I have the same problem. The link freezes every 2-3 days and 5.24 don't solve it. Now I use WDS and my link works fine at least two weeks.
Up to 50/20 Mbps via RB411UAHL+R52Hn at both sides.

NV2_link.JPG

Posted: **Tue Mar 19, 2013 7:59 pm**

I have the same problem. The link freezes every 2-3 days and 5.24 don't solve it. Now I use WDS and my link works fine at least two weeks.
Up to 50/20 Mbps via RB411UAHL+R52Hn at both sides.
NV2_link.JPG

Does this mean it is better to stay with ver 5.19?

Or is this only applicable on wireless links

Posted: **Tue Mar 19, 2013 8:07 pm**

Does this mean it is better to stay with ver 5.19?

Or is this only applicable on wireless links

You're right, it's only in relation to wireless links that use nv2 protocol.

Posted: **Tue Mar 19, 2013 8:11 pm**

Does this mean it is better to stay with ver 5.19?

Or is this only applicable on wireless links
You're right, it's only in relation to wireless links that use nv2 protocol.

Thanks

Posted: **Wed Mar 20, 2013 8:12 pm**

Always the same **it, AP stops transmitting data at any time! Clients are angry.
They do stupid things just type quote changelog: lcd - changed gamma, which gives greater contrast
Super, NV2 does not work, but most that I can adjust the contrast.

Please make sure that the AP and the client uses v5.24 and do the following steps, those will help to detect the problem and to find a fix for it:
1. Wait till the nv2 stops working
2. Make support first output file on the AP
3. When it finishes making, make a seconds support output file (without changing
any configuration to the router)
4. Remove the wireless clients from the registration table
5. When wireless client connects back to the AP make a support output file on the client
6. Send all 3 files to support@mikrotik.com

Posted: **Thu Mar 21, 2013 4:19 pm**

I have had the wireless stalls! Ping watchdog gets you out of the problem with a little outage obviously.

I am using point to point only and have sent my autosupouts to support.

Posted: **Wed Mar 27, 2013 1:31 pm**

There is a slight problem with RB1100Hx2 and 5.24
System - Routerboard - Settings shows the following error

[admin@MikroTik] > sys rou set pri
            baud-rate: 115200
           boot-delay: 2s
       enter-setup-on: any-key
          boot-device: nand-if-fail-then-ethernet
        cpu-frequency: 1066MHz
     memory-data-rate: (unknown)
        boot-protocol: bootp
  enable-jumper-reset: yes
  force-backup-booter: no
          silent-boot: no
error - contact MikroTik support and send a supout file (2)

It's not possible to set or read out the memory data rate.
However, it works fine in 5.20.

Posted: **Fri Mar 29, 2013 10:44 pm**

Hello Folks!

Today we started to recieve problems after deploying several RB751U 2HnD with RoS5.24 and firmware 3.02.

We have very frequent crashes, almost one every hour with autosupout files, we sent them in, lets see what is problem, we did have no problem with 5.22 for months.

We have several RoS 5.24 on RB195, RB333, RB750 and RB433 devices with not any problem notices since release of RoS5.24.

Posted: **Sun Apr 14, 2013 8:16 pm**

Hello,

I had many reboots with this error in 5.24 :

jan/01/1970 21:00:14 system,error,critical router was rebooted without proper shutdown
jan/01/1970 21:00:14 system,error,critical router was rebooted without proper shutdown

I had many of this reboots.

Anyone have this problems too ? I am on the firmware 2.41 .

Posted: **Sun Apr 14, 2013 9:17 pm**

Hello Folks!

Today we started to recieve problems after deploying several RB751U 2HnD with RoS5.24 and firmware 3.02.

We have very frequent crashes, almost one every hour with autosupout files, we sent them in, lets see what is problem, we did have no problem with 5.22 for months.

We have several RoS 5.24 on RB195, RB333, RB750 and RB433 devices with not any problem notices since release of RoS5.24.

Try this: downgrade your firmware to the version 2.41.

We have reports here and on the topic of 5.23 saying about problems with the new firmware, the 3.02.

But ... on my home router ( i have this version here on a 751u 2Hnd ) i had weekly reboots and a revert back to 5.22 ( I come from the version 5.16 ).

Posted: **Sun Apr 14, 2013 10:05 pm**

We've a RB600 and a 2011LS rebooting randomly every 3 to 6 days after upgrading to 5.24. All other upgraded devices seem to work.

Posted: **Mon Apr 15, 2013 12:57 am**

We've a RB600 and a 2011LS rebooting randomly every 3 to 6 days after upgrading to 5.24. All other upgraded devices seem to work.

Same here on 5.24

Sent from my GT-I9100 using Tapatalk 2

Posted: **Mon Apr 15, 2013 12:03 pm**

No problems over here with 5.24 on an RB600A doing ipv4 routing, wireless nv2, vlans and ospf.

Posted: **Mon Apr 15, 2013 12:17 pm**

with 5.24 and nv2 we have a lockup when data gets to 40mbs tx and 40mbs rx simultaneously
must then disable and enable the link
... I was just about to post the same complaint!

I updated one of our links (bridge/station-bridge with nv2 on x86 hardware, 2km distance, dual pol) - both ends - to 5.24...
After 3-4 hours passing traffic of about 80-90Mbps it suddenly stopped. Then, I just disabled/enabled the wlan1 interface on the bridge side of the link and it resumed for another 4-5 hours, then stopped again.
...before I downgraded back to 5.23 I did make a supout.rif file. I Will submit it to support...

Note: the link is stable with 5.23 ever since...(300/300Mbps)! Before the upgrade it was on ROS 5.21 and the link's uptime was exactly the same as the router's > 151 days!!
This problem is battering me for a long time
I m asking my self why I don't have this problem with OmniTik+SXT
only in a case where I m using Board as a AP with R52Hn + SXTs as a clients

We've a RB600 and a 2011LS rebooting randomly every 3 to 6 days after upgrading to 5.24. All other upgraded devices seem to work.
Same here on 5.24

Sent from my GT-I9100 using Tapatalk 2

I do have same problem with you guys that makes me confuse. There're always funny question like, this version is OK with one of my RB but why not working on my other RB. Or something similiar question like that.

Of all the RouterBoard that I have, the most frustating one is RB951-2n. It comes with v5.19, and have wireless issue. I've try netinstall to v5.20, v5.24 and v6.0RC12, it solve wireless issue but gives at least 1 of this 2 issue to me.
1. It keep increasing the Bad blocks every several reboots
2. keep rebooting itself every less than 24 hours (even when I only connect it to 2 PC).
I try netinstall more than 10 times since I see some user in the forum say it fix their bad blocks eventually. But still no luck, worse it increase the bad blocks.

After a deeper research on the forum I make my own conclusion. It seems the result for every Mikrotik version varies for every RouterBoard type OR default firmware.
for example RB750 that comes with v5.19 may has different result for RB750 that comes with v5.12 when you upgrade them to v5.24.

Based on my silly conclusion, I do a brute action to my RB951-2n by Netinstalling every different available version. Everytime I see one of the stupid issue like increasing my bad blocks or rebooting by itself, I netinstall it to different version.
Luckily now I'm at v5.23, and haven't see any issue. No rebooting, bad blocks stays at 1%, and wireless is OK.
(still not test it with stressing data transfer but I'm going to wait for several days before stressing it.)

Why there's no version that works for all RB like a magic? still a mystery of the universe. LOL.

Posted: **Mon Apr 15, 2013 12:48 pm**

But wich firmware routerboot do you have?

Posted: **Mon Apr 15, 2013 2:23 pm**

No problems over here with 5.24 on an RB600A doing ipv4 routing, wireless nv2, vlans and ospf.

We've 11 RB600 running without problem since update to 5.24 and one which reboots.

Posted: **Mon Apr 15, 2013 10:58 pm**

I do have same problem with you guys that makes me confuse. There're always funny question like, this version is OK with one of my RB but why not working on my other RB. Or something similiar question like that.

Of all the RouterBoard that I have, the most frustating one is RB951-2n. It comes with v5.19, and have wireless issue. I've try netinstall to v5.20, v5.24 and v6.0RC12, it solve wireless issue but gives at least 1 of this 2 issue to me.
1. It keep increasing the Bad blocks every several reboots
2. keep rebooting itself every less than 24 hours (even when I only connect it to 2 PC).
I try netinstall more than 10 times since I see some user in the forum say it fix their bad blocks eventually. But still no luck, worse it increase the bad blocks.

After a deeper research on the forum I make my own conclusion. It seems the result for every Mikrotik version varies for every RouterBoard type OR default firmware.
for example RB750 that comes with v5.19 may has different result for RB750 that comes with v5.12 when you upgrade them to v5.24.

Based on my silly conclusion, I do a brute action to my RB951-2n by Netinstalling every different available version. Everytime I see one of the stupid issue like increasing my bad blocks or rebooting by itself, I netinstall it to different version.
Luckily now I'm at v5.23, and haven't see any issue. No rebooting, bad blocks stays at 1%, and wireless is OK.
(still not test it with stressing data transfer but I'm going to wait for several days before stressing it.)

Why there's no version that works for all RB like a magic? still a mystery of the universe. LOL.

I have one RB951-2n in production and on this routerboard I have the 5.24 version of routeros.

I isn't have problems with this version on this routerboard. But on my 450 and 750 2hnd i have problems with the new version i have many problems on the last days.

I believe on my tests, the stable version for my devices is the 5.22 and the firmware on the version 2.41.

All of my test with the new 3.02 firmware gives me many problems ...

Posted: **Mon Apr 15, 2013 11:00 pm**

But wich firmware routerboot do you have?

I have 2.41 firmware and 2.38 firmware.

All of this two versions run without problems on my routers.

Posted: **Tue Apr 16, 2013 10:20 am**

The problem with the terminal still active...

Posted: **Tue Apr 16, 2013 10:28 am**

To mikrotik support:

In development we have 5.25rc1. What changes and what improvements?
Can you add changelog?

Posted: **Tue Apr 16, 2013 11:19 am**

we have unplanned reboots with this release- just habbend again a few minuntes ago - on RB1100AhX2 used as pppoe concentrator and running in an OSPF network.
4 different boxes - even some without pppoe reboot - so it seems to be a software problem !!!
the higest uptime we have is about 30 days - even a box with ROS6RC11 is running for 44 days allready ....
an ald RB1000 is running the same job with ROS4.17 on for more then 400 days now without troubels

Posted: **Tue Apr 16, 2013 11:25 am**

Hello Folks!

I have severe performance problems with RB751U 2HnD device, even RB150 outdoes it....

After upgrading to RoS 5.24 it does not manage to take the load from ADSL 24Mbit down and 3Mbit up.

When speeds nears 3-4 Mbit/s downstreams CPU goes 100% and then it starts to reboot, and make supout files.

This happens several times per day when people are surfing.

Anyone who had this problem.

Other devices like RB150 and RB333, RB750, RB450G etc. does not show this psymtom.

I plan to replace the device with some else, if it was not for the case it is 550km away...

Mikcrotik support case with supout files has been opened, also they wanted to login and check when we have load.

To my knowledge the problem was not solved yet, still waiting for answer.

Thank you in advance!

Regards //
// Peter Steen

Posted: **Tue Apr 16, 2013 12:29 pm**

To mikrotik support:

In development we have 5.25rc1. What changes and what improvements?
Can you add changelog?

I want to see
Major improvements to nv2

Posted: **Tue Apr 16, 2013 1:06 pm**

I do have same problem with you guys that makes me confuse. There're always funny question like, this version is OK with one of my RB but why not working on my other RB. Or something similiar question like that.

Of all the RouterBoard that I have, the most frustating one is RB951-2n. It comes with v5.19, and have wireless issue. I've try netinstall to v5.20, v5.24 and v6.0RC12, it solve wireless issue but gives at least 1 of this 2 issue to me.
1. It keep increasing the Bad blocks every several reboots
2. keep rebooting itself every less than 24 hours (even when I only connect it to 2 PC).
I try netinstall more than 10 times since I see some user in the forum say it fix their bad blocks eventually. But still no luck, worse it increase the bad blocks.

After a deeper research on the forum I make my own conclusion. It seems the result for every Mikrotik version varies for every RouterBoard type OR default firmware.
for example RB750 that comes with v5.19 may has different result for RB750 that comes with v5.12 when you upgrade them to v5.24.

Based on my silly conclusion, I do a brute action to my RB951-2n by Netinstalling every different available version. Everytime I see one of the stupid issue like increasing my bad blocks or rebooting by itself, I netinstall it to different version.
Luckily now I'm at v5.23, and haven't see any issue. No rebooting, bad blocks stays at 1%, and wireless is OK.
(still not test it with stressing data transfer but I'm going to wait for several days before stressing it.)

Why there's no version that works for all RB like a magic? still a mystery of the universe. LOL.
I have one RB951-2n in production and on this routerboard I have the 5.24 version of routeros.

I isn't have problems with this version on this routerboard. But on my 450 and 750 2hnd i have problems with the new version i have many problems on the last days.

I believe on my tests, the stable version for my devices is the 5.22 and the firmware on the version 2.41.

All of my test with the new 3.02 firmware gives me many problems ...

See, your RB is fine while mine is not. Seem it's because we have a different default firmware at the first time.
The result May different as long as our RB is not on the same release.

Well I like v6.0. I'd try find the stable v6.0 one for mine. Hope find it or else gonna back to v5.x

Posted: **Tue Apr 16, 2013 2:35 pm**

To mikrotik support:

In development we have 5.25rc1. What changes and what improvements?
Can you add changelog?
I want to see
Major improvements to nv2

+1
Me too

Posted: **Fri Apr 19, 2013 4:04 pm**

After 3 days of trial and error and lots of mad customers we have found a fix that seems to work for the NV2 lockup and rate problem.

Adaptive Noise Immunity - Off
Data Rates - Rate Selection - Legacy
Data Rates - Default
NV2 - Tdma period size - 2

Mike Francis
JMF Solutions, Inc
http://jmfsolutions.net

Posted: **Fri Apr 19, 2013 8:54 pm**

I also share the opinion that adaptive noise immunity could be causing nv2 lockups, therefore I recommend to turn it off and check if it resolves random wireless lockups.

Posted: **Fri Apr 19, 2013 9:12 pm**

Just so you know, for us it did not magically start working again until switching to legacy rate selection...

Posted: **Fri Apr 19, 2013 9:37 pm**

Can you confirm that you did not experiment around with adaptive noise immunity? I've been running advanced rate selection since last summer without a single lockup.

Posted: **Fri Apr 19, 2013 9:46 pm**

Can you confirm that you did not experiment around with adaptive noise immunity? I've been running advanced rate selection since last summer without a single lockup.

Yes we tried ANI on and off in multiple different configs. It seemed to be the combination of ANI off and Legacy rate selection that made a difference. The interesting thing is that we are running 5.23 and 5.24 on other links with no problems. The only ones with problems seem to be links with a great signal... Go figure!

Posted: **Mon Apr 22, 2013 1:57 pm**

Try this for whoever got lockup issues
http://www.mikrotik.com/download/share/ ... .25rc1.zip

Posted: **Tue Apr 23, 2013 9:48 pm**

I also share the opinion that adaptive noise immunity could be causing nv2 lockups, therefore I recommend to turn it off and check if it resolves random wireless lockups.

This also happens with it off.

Posted: **Fri Apr 26, 2013 3:15 am**

Can you confirm that you did not experiment around with adaptive noise immunity? I've been running advanced rate selection since last summer without a single lockup.

I have lockups with adaptive noise immunity off on 3-4 Omnitiks till now

Posted: **Sun Apr 28, 2013 7:30 am**

To mikrotik support:

In development we have 5.25rc1. What changes and what improvements?
Can you add changelog?

5.25rc1 Changelog:

*) metarouter: fixed occasional lockups on mipsbe boards;

Posted: **Sun Apr 28, 2013 12:18 pm**

Hello Folks!

Today we started to recieve problems after deploying several RB751U 2HnD with RoS5.24 and firmware 3.02.

We have very frequent crashes, almost one every hour with autosupout files, we sent them in, lets see what is problem, we did have no problem with 5.22 for months.

We have several RoS 5.24 on RB195, RB333, RB750 and RB433 devices with not any problem notices since release of RoS5.24.
Try this: downgrade your firmware to the version 2.41.

We have reports here and on the topic of 5.23 saying about problems with the new firmware, the 3.02.

But ... on my home router ( i have this version here on a 751u 2Hnd ) i had weekly reboots and a revert back to 5.22 ( I come from the version 5.16 ).

Hello again!

Yesterday I visited the place where 751u 2Hnd sit, logged in and started torrents from another PC to see what happened.
/tool profile show that a process called "flash" takes 100% CPU after a few seconds when packages start to come, then the device dies/reboots.

We do not have any proxy setup that uses flash disks.
I checked that we do not log anything to flash disks.
No scripts is using flash disks.
No smb that shares flash.

So the problem is process FLASH is taking all CPU.

I did simply replace the 751u 2Hnd with RB2011UAS-2HnD and all started to work normally!

However I also noticed that the new out of stock RB2011UAS-2HnD was preinstalled with RoS6.0rc13. We do not normally install RC and development versions of RoS so this device has to be migrated to production releases of RoS later then, a bad thing in production :-/

I will later try to reimage the 751 device using netinstall to see what happens.

Still we had not upgraded all devices to RoS 5.24 due to the issues we se people have with it and our own experience. We keep to the stable 5.22 exept on some routers (ppc based) which is on 5.24 since some time without problems so far.

Posted: **Sun Apr 28, 2013 1:27 pm**

Hello Folks!

Today we started to recieve problems after deploying several RB751U 2HnD with RoS5.24 and firmware 3.02.

We have very frequent crashes, almost one every hour with autosupout files, we sent them in, lets see what is problem, we did have no problem with 5.22 for months.

We have several RoS 5.24 on RB195, RB333, RB750 and RB433 devices with not any problem notices since release of RoS5.24.
Try this: downgrade your firmware to the version 2.41.

We have reports here and on the topic of 5.23 saying about problems with the new firmware, the 3.02.

But ... on my home router ( i have this version here on a 751u 2Hnd ) i had weekly reboots and a revert back to 5.22 ( I come from the version 5.16 ).
Hello again!

Yesterday I visited the place where 751u 2Hnd sit, logged in and started torrents from another PC to see what happened.
/tool profile show that a process called "flash" takes 100% CPU after a few seconds when packages start to come, then the device dies/reboots.

We do not have any proxy setup that uses flash disks.
I checked that we do not log anything to flash disks.
No scripts is using flash disks.
No smb that shares flash.

So the problem is process FLASH is taking all CPU.

I did simply replace the 751u 2Hnd with RB2011UAS-2HnD and all started to work normally!

However I also noticed that the new out of stock RB2011UAS-2HnD was preinstalled with RoS6.0rc13. We do not normally install RC and development versions of RoS so this device has to be migrated to production releases of RoS later then, a bad thing in production :-/

I will later try to reimage the 751 device using netinstall to see what happens.

Still we had not upgraded all devices to RoS 5.24 due to the issues we se people have with it and our own experience. We keep to the stable 5.22 exept on some routers (ppc based) which is on 5.24 since some time without problems so far.

since most of my equipment is Mikrotik
I m telling u MT 5.24 must be redone especially nv2 and nstreme waiting to see changes in 5.25
I dont want to say this but new ubnt firmware 5.5.4 with airmax is much superior I dont believed how good it perform latency and everything is much better
MT is just to busy with CCR

Posted: **Mon Apr 29, 2013 11:33 pm**

There is a slight problem with RB1100Hx2 and 5.24
System - Routerboard - Settings shows the following error
Code: Select all
[admin@MikroTik] > sys rou set pri
            baud-rate: 115200
           boot-delay: 2s
       enter-setup-on: any-key
          boot-device: nand-if-fail-then-ethernet
        cpu-frequency: 1066MHz
     memory-data-rate: (unknown)
        boot-protocol: bootp
  enable-jumper-reset: yes
  force-backup-booter: no
          silent-boot: no
error - contact MikroTik support and send a supout file (2)
It's not possible to set or read out the memory data rate.
However, it works fine in 5.20.

MikroTik support told me to netinstall my RB1100AHx2 when it had that problem plus missing model and serial number on /sys rou pri .

Netinstall of 5.24 fixed it at the time, but the missing model and serial number problem has come back a month later with 6.0rc13 on it.

[lambert@rb1100ahx2] > /system rou print
       routerboard: yes
             model:
     serial-number:
  current-firmware: 3.02
  upgrade-firmware: 3.02

The memory data rate is currently okay. I've not had a lot of happy time with this rb1100ahx2.

Posted: **Tue Apr 30, 2013 12:15 am**

After a frustrating week (last week) .

Had several occassions where the TX stopped transmitting.. Even a script wouldn't sort it out.. However a scheduler did work.

The answer there was that when my unit reaches the condition whereby the unit stops transmitting, the unit also stops being able to run scripts.

A couple of times the unit actually rebooted itself from watchdog, for no apparent reason other than I suppose that it did that to really piss me off.

Final straw was last Friday,, the unit stalled, I was able to log into it as per usual..

Low and behold, no interfaces, none, not even ethernet...

How is that possible, when I am already logged in to it, I have no idea. So like the good guys at MT say, I did a support RIF.

I waited and waited and waited some more. After 5 minutes I gave up waiting... On the 6th minute the CPU kept going up to 100%, and on the 7th minute the unit crashed and rebooted itself.

What joy!.

So I abandoned NV2 and went back to 80211. I switched the CPE ( sextant to nv2, nstreme, 80211) and then also an SXT.. Then I could no longer log into the SXT from any circumstances, MAC, Telnet whatever.. Could not even access it from the neighbouring Omnitik.

Had to ask the customer to recycle the power,,, how embarrassing.

Now I have the 3 units all on 80211.. The far end sextant is -61 and now constantly drops out (never did with NV2) Also tonight, unit once again rebooted for some mysterious will of its own.

My one and only Ubnt link still performs like a charm despite my reservations, whenever I go back to it, it always maxes out the interface at 90Mbs throughput.

My Sextant >> Sextant could barely manage 30Mb on a good day! Both MT and UBNT links -61dB

Just remind me again why I still buy 1000's euros a year Mikrotik??

I paciently waited for 5.25 and here it is.. Not a word about NV2 stability.

And so I am considering jumping ship.

Posted: **Tue Apr 30, 2013 2:09 am**

After a frustrating week (last week) .
I paciently waited for 5.25 and here it is.. Not a word about NV2 stability.
.

I m also confused about that waiting so long for 5.25
I dont know about all u but I have dozen of links nv2 don't perform very well on p2p
Ill always support nstreme except disconnect/reconnect problem - u can find dozen of topics about that
at the end noting is fixed

Posted: **Tue Apr 30, 2013 3:01 am**

Hello Folks!

Today we started to recieve problems after deploying several RB751U 2HnD with RoS5.24 and firmware 3.02.

We have very frequent crashes, almost one every hour with autosupout files, we sent them in, lets see what is problem, we did have no problem with 5.22 for months.

We have several RoS 5.24 on RB195, RB333, RB750 and RB433 devices with not any problem notices since release of RoS5.24.
Try this: downgrade your firmware to the version 2.41.

We have reports here and on the topic of 5.23 saying about problems with the new firmware, the 3.02.

But ... on my home router ( i have this version here on a 751u 2Hnd ) i had weekly reboots and a revert back to 5.22 ( I come from the version 5.16 ).
Hello again!

Yesterday I visited the place where 751u 2Hnd sit, logged in and started torrents from another PC to see what happened.
/tool profile show that a process called "flash" takes 100% CPU after a few seconds when packages start to come, then the device dies/reboots.

We do not have any proxy setup that uses flash disks.
I checked that we do not log anything to flash disks.
No scripts is using flash disks.
No smb that shares flash.

So the problem is process FLASH is taking all CPU.

I did simply replace the 751u 2Hnd with RB2011UAS-2HnD and all started to work normally!

However I also noticed that the new out of stock RB2011UAS-2HnD was preinstalled with RoS6.0rc13. We do not normally install RC and development versions of RoS so this device has to be migrated to production releases of RoS later then, a bad thing in production :-/

I will later try to reimage the 751 device using netinstall to see what happens.

Still we had not upgraded all devices to RoS 5.24 due to the issues we se people have with it and our own experience. We keep to the stable 5.22 exept on some routers (ppc based) which is on 5.24 since some time without problems so far.

At this weekend i try many configurations on my routerboard.

I remove one usb flash disk of my routerboard. I discovered that my flash disk (pen drive) was a long delay in reading and writing in general causing many problems on router.
When i remove the disk i see an amazing improvement on the router work.

Too, i config my router with this tips of @Turb0 : http://forum.mikrotik.com/viewtopic.php ... 26#p303575

I test my router with an download of PC-BSD ( 2 images ) and i isn't see an reboot.

I isn't install again the 5.24 ( stay on 5.22 ) version but i believe this solved the problems for my router 751u 2hnd.

Posted: **Tue Apr 30, 2013 2:21 pm**

I can't understand something!
I was with 5.22, upgraded to 5.23, I now (some links) upgraded to 5.24 (I also found out what I was doing wrong with it and I couldn't see the graps) and I have NEVER encoded any problems with any of the firmwares.
Has someone of you guys search it "deeply"?
Have you tested your hardware, YOUR instalation, your something that you made it wrong and now you have problems with it?
I can't "bait" that you have done EVERYTHING OK to MANY systems that you have and you have problems with ALL of the systems (even DIFFERENT systems).
Are you 100% SURE that you have done EVERYTHING OK as for settings and hardware?
Maybe you're putting in TOO MANY "complicated" settings and you're "driving crazy" your links with that.
I don't get it!...

Posted: **Thu May 02, 2013 6:33 am**

I can't understand something!
I was with 5.22, upgraded to 5.23, I now (some links) upgraded to 5.24 (I also found out what I was doing wrong with it and I couldn't see the graps) and I have NEVER encoded any problems with any of the firmwares.
Has someone of you guys search it "deeply"?
Have you tested your hardware, YOUR instalation, your something that you made it wrong and now you have problems with it?
I can't "bait" that you have done EVERYTHING OK to MANY systems that you have and you have problems with ALL of the systems (even DIFFERENT systems).
Are you 100% SURE that you have done EVERYTHING OK as for settings and hardware?
Maybe you're putting in TOO MANY "complicated" settings and you're "driving crazy" your links with that.
I don't get it!...

All of my setting are for the RB 751U 2hnd . I have some problems with the update on this hardware.

All of my other hardwares are upgraded without problems too. Sorry for this links, but on this my home routerboard i only solve my problems with all of this complicated settings

Posted: **Fri May 10, 2013 5:51 pm**

After 3 days of trial and error and lots of mad customers we have found a fix that seems to work for the NV2 lockup and rate problem.

Adaptive Noise Immunity - Off
Data Rates - Rate Selection - Legacy
Data Rates - Default
NV2 - Tdma period size - 2

Mike Francis
JMF Solutions, Inc
http://jmfsolutions.net

Thank you catalystjmf!
We don't use NVstream, but we had problem with wireless freezing on our RB800 with FW 5.24.
Switching DataRates to Legacy solved it! (for 4 days we haven't had freeze yet)

Posted: **Mon May 13, 2013 10:08 am**

After 3 days of trial and error and lots of mad customers we have found a fix that seems to work for the NV2 lockup and rate problem.

Adaptive Noise Immunity - Off
Data Rates - Rate Selection - Legacy
Data Rates - Default
NV2 - Tdma period size - 2

Mike Francis
JMF Solutions, Inc
http://jmfsolutions.net
Thank you catalystjmf!
We don't use NVstream, but we had problem with wireless freezing on our RB800 with FW 5.24.
Switching DataRates to Legacy solved it! (for 4 days we haven't had freeze yet)

Benik3 and catalystjmf, please contact support@mikrotik.com about the Nv2 lockup issue. We do not have any reports on the Nv2 lockup for RouterOS v5.25. To get the max performance/stability you need to use advanced data-rates option.

Posted: **Fri May 31, 2013 4:38 pm**

Hello Folks!

Today we started to recieve problems after deploying several RB751U 2HnD with RoS5.24 and firmware 3.02.

We have very frequent crashes, almost one every hour with autosupout files, we sent them in, lets see what is problem, we did have no problem with 5.22 for months.

We have several RoS 5.24 on RB195, RB333, RB750 and RB433 devices with not any problem notices since release of RoS5.24.
Try this: downgrade your firmware to the version 2.41.

We have reports here and on the topic of 5.23 saying about problems with the new firmware, the 3.02.

But ... on my home router ( i have this version here on a 751u 2Hnd ) i had weekly reboots and a revert back to 5.22 ( I come from the version 5.16 ).
Hello again!

Yesterday I visited the place where 751u 2Hnd sit, logged in and started torrents from another PC to see what happened.
/tool profile show that a process called "flash" takes 100% CPU after a few seconds when packages start to come, then the device dies/reboots.

We do not have any proxy setup that uses flash disks.
I checked that we do not log anything to flash disks.
No scripts is using flash disks.
No smb that shares flash.

So the problem is process FLASH is taking all CPU.

I did simply replace the 751u 2Hnd with RB2011UAS-2HnD and all started to work normally!

However I also noticed that the new out of stock RB2011UAS-2HnD was preinstalled with RoS6.0rc13. We do not normally install RC and development versions of RoS so this device has to be migrated to production releases of RoS later then, a bad thing in production :-/

I will later try to reimage the 751 device using netinstall to see what happens.

Still we had not upgraded all devices to RoS 5.24 due to the issues we se people have with it and our own experience. We keep to the stable 5.22 exept on some routers (ppc based) which is on 5.24 since some time without problems so far.

I have the exact same issue with this Routerboard model.

Others (RB433AH, RB450, RB750G) work perfectly normal with v5.25 and Firmware 3.02.

Did you find any solution?

Thanks.

Posted: **Sat Jun 01, 2013 10:59 pm**

Hello Folks!

Today we started to recieve problems after deploying several RB751U 2HnD with RoS5.24 and firmware 3.02.

We have very frequent crashes, almost one every hour with autosupout files, we sent them in, lets see what is problem, we did have no problem with 5.22 for months.

We have several RoS 5.24 on RB195, RB333, RB750 and RB433 devices with not any problem notices since release of RoS5.24.
Try this: downgrade your firmware to the version 2.41.

We have reports here and on the topic of 5.23 saying about problems with the new firmware, the 3.02.

But ... on my home router ( i have this version here on a 751u 2Hnd ) i had weekly reboots and a revert back to 5.22 ( I come from the version 5.16 ).
Hello again!

Yesterday I visited the place where 751u 2Hnd sit, logged in and started torrents from another PC to see what happened.
/tool profile show that a process called "flash" takes 100% CPU after a few seconds when packages start to come, then the device dies/reboots.

We do not have any proxy setup that uses flash disks.
I checked that we do not log anything to flash disks.
No scripts is using flash disks.
No smb that shares flash.

So the problem is process FLASH is taking all CPU.

I did simply replace the 751u 2Hnd with RB2011UAS-2HnD and all started to work normally!

However I also noticed that the new out of stock RB2011UAS-2HnD was preinstalled with RoS6.0rc13. We do not normally install RC and development versions of RoS so this device has to be migrated to production releases of RoS later then, a bad thing in production :-/

I will later try to reimage the 751 device using netinstall to see what happens.

Still we had not upgraded all devices to RoS 5.24 due to the issues we se people have with it and our own experience. We keep to the stable 5.22 exept on some routers (ppc based) which is on 5.24 since some time without problems so far.
I have the exact same issue with this Routerboard model.

Others (RB433AH, RB450, RB750G) work perfectly normal with v5.25 and Firmware 3.02.

Did you find any solution?

Thanks.

On my router board I solve my problems with this configs

http://forum.mikrotik.com/viewtopic.php ... 75#p303575

Sent from my GT-I9100 using Tapatalk 2

Posted: **Sun Jun 02, 2013 12:29 am**

On my router board I solve my problems with this configs

http://forum.mikrotik.com/viewtopic.php ... 75#p303575

Sent from my GT-I9100 using Tapatalk 2

Hello,

The issue occurs regardless of wireless traffic actually on several boards (same model) with various configurations. Nevertheless, except for the tx power, I have the same settings as yours.
On v6.0 it's even worse. It occurs without traffic at all (except for winbox's)
I've also upgraded the firmware to 3.07 to no avail.

I've already raised a ticket with Mikrotik [Ticket#2013053166000848]

Waiting for their reply.

Posted: **Mon Jun 03, 2013 3:13 pm**

Oh, I got a reply alright!

Hello,

problem lies in fact that this RB751U has exhausted it's hardware capabilities.
RAM capacity on this router simply ain't enough for this task. If you would
replace this unit with one that has 64MB ram or more, that would solve this
problem. If router has bellow 10MB of free ram on average replacement with more
powerful unit should be considered.

Regards,
Krisjanis

So to recap:

There are lots of people reporting the exact same issue here on the mikrotik forum.
On this routerboard's product page clearly states that it can handle >20mbit forward traffic with 25 firewall rules.
The problem can occur even with the default configuration that Mikrotik ships with.
The problem can occur on v6.0 even when the board is idle (no traffic)
I've disabled pretty much every feature of mikrotik just to make it work on those boards and it still crashes at least once a week.

And the magic solution to this problem is to throw away all those boards on all those different clients, to get new ones because "the RAM is not enough for this task"

Why on a 32MB RAM board, I have to work only with 22MBs of RAM?
Sounds to me like a Mikrotik bug, rather than an issue with free RAM. And by the way this is not the case with RB450 for example that only has 32MBs of RAM. It can work for months without any issue whatsoever and with free ram of 4-5MBs.

And what task exactly?
The default configuration that Mikrotik ships with?
The idle board that crashes on it's own when running v6.0?

What about:
The fact that my forward traffic is not possible to be over 4mbits? (since my gateways are not over 4mbits)
The fact that before the flash process starts to get to 100% cpu usage, all routers have ~12-16MB free of ram and all of a sudden they freak out, fill up all the ram and crash?

This doesn't sound like a problem with 'my tasks' but with routeros it self.

Each and every office I use that model does completely different stuff and still the board crashes! So what kind of generalization is this?

I would say, they know that something is wrong with either this board model or with the Mikrotik RouterOS, and trying to say that's our fault to avoid solving something that has been around for months according to all those threads on the forums mentioning the same issue.

Well done Mikrotik.

Posted: **Mon Jun 03, 2013 3:47 pm**

Are you sure you have only the default config the boards ship with? If yes, email again to support and clarify this point. It might be a misunderstanding. Torrents are known resource abusers, make sure to limit the number of connections in your torrent client. This will solve many problems.

Posted: **Tue Jun 04, 2013 1:44 pm**

Are you sure you have only the default config the boards ship with? If yes, email again to support and clarify this point. It might be a misunderstanding. Torrents are known resource abusers, make sure to limit the number of connections in your torrent client. This will solve many problems.

I made it clear that the issue occurs to 10 offices and I only managed to get 2 supout files, since when the problem occurs the router crashes and autoreboots.
I never mentioned torrents nor home use.

Here is a graph showing that 'heavy traffic' that you think the board is under

weekly.gif

If you must know, the 1 supout I send is from an office that deals with financial trades (web browsing and a financial utility - the traffic is ridiculously low -see graph above) and the other is a TV studio that streams a show via the internet (1 RTMP connection and 1 Shoutcast connection over 2 different DSL gateways)
How is it that 2 connection (~900kbps total) and some web browsing are considered 'heavy tasks', only Mikrotik knows...

And how is it that on RB750G (also 32MBram) on a home setup, even with hundreds of connections with torrents downloads, IT DOES NOT CRASH. Ever.-

You jumped to conclusions without even asking me any follow up questions to clarify any misunderstandings.
You were in a rush to blame me and the non-existent traffic as the problem instead of fixing your product which evidently is faulty (a simple forum search on 'RB751U-2HnD' is enough to know there is something wrong going on)

Sorry for my upset posting, but to tell me that I need to replace 10 boards without even investigating the issue to me is outrageous. (Unless you are willing to pay for the replacements

)

Posted: **Sat Sep 21, 2013 8:52 am**

Set the timeout of TCP connections to 1 hour instead than 1 day

Posted: **Tue Oct 29, 2013 11:15 am**

Recently i bought the wifi Jammer ,it have pretty good performance and works well ,so happy with it.

Posted: **Tue Jun 10, 2014 12:57 pm**

problem with nv2 freezing was in 5.21 5.22 5.23 5.24,

if fw 3.02 is cause - what about some new fixed version?

btw is there any way how to downgrade to 2.14 without downgrading routeros to older version?

Here You go (Use WinBox) :
1. http://download2.mikrotik.com/routeros/ ... e-5.22.npk
2. Copy and paste it on "Files"
3. Go to /system/package then click "Downgrade" then it will reboot, or you must reboot after that (/system/reboot)
4. Check Your Version it's must be 5.22.
5. Then go to /system/routerboard, you will notice that "Current Firmware: 3.02" and "Upgrade Firmware: 2.41"
6. If Current firm are high version than Upgrade firm then you can click "Upgrade" and make sure it done.
7. Then reboot your router from /system/reboot
8. After reboot, check /system/routerboard you'll see all firmware version now 2.41.
9. Done.

After upgrade, my Router no "bip" when power on and can not connect via Winbox. I try to hold reset button but nothing happen.
Can you help me to restore firmware ?
Thank you !

MikroTik

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