MikroTik

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Not an error. This is a feature.

The DFS is a feature that does not work as it should.

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please do not include DFS permanently switched in version 6.36.x, probably this will be my last updated.

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Try ROS 6.33 with wireless-cm2
protocol - 802.11

I tested with two RB922, with NV2 and 802.11 (the two side are identical), the result is not what mikrotik says.

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[admin@MikroTik] > system package update check-for-updates channel: current current-version: 6.31 latest-version: 6.33rc22 status: New version is available "Download & Install" button (at WInBox) also doesn't work :( try once more. actually in Winbox you must select RC, not current &q...

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RJ45 SFP 10/100 / 1000M copper module in RB922 with RouterOS 6.32RC3 does not work when you plug the network cable into the SFP module, you lose the connection to the Ether1.

Stay tuned...

This problem no longer exists in version 6.32RC5

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RJ45 SFP 10/100 / 1000M copper module in RB922 with RouterOS 6.32RC3 does not work when you plug the network cable into the SFP module, you lose the connection to the Ether1.

Stay tuned...

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Please, add a checkbox for disabling dummy fasttrack rules.

+1, please.

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And that can't be the fact. If bugs always would have priority above new features we would still work with pigeons to send a message. They still have bugs..... Technology advances because new features are introduce to do better. Bugs are always around and some bugs only affect some specific users w...

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visalink: How does/do your firewall rule/rules look like? or Did you use CCR device? FastTrack will work properly on CCR devices starting from 6.29rc14 version. ip/firewall/filter chain=forward action=fasttrack-connection connection-state=established,related log=no log-prefix="" chain=for...

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ip settings prin ip-forward: yes send-redirects: yes accept-source-route: no accept-redirects: no secure-redirects: yes rp-filter: no tcp-syncookies: no max-arp-entries: 8192 arp-timeout: 30s icmp-rate-limit: 10 icmp-rate-mask: 0x1818 allow-fast-path: yes ipv4-fast-path-active: no ipv4-fast-path-pac...

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"
Just by eliminating any "kamikaze" upgrades, and testing version before applying to production network - 80% forum problems would be solved in the root.

I think 20% would be more certain.

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Why upgrade that critical router before testing by yourself on other non critical place ? I first upgrade my home MT router everything working then update non critical part of network and after that update critical part of network. I know people using today 2.9.27 or 3.30 or 4.17 or 5.26 or 6.22 an...

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Hello Folks!

60% of our devices successfully updated to RoS6.22, rock solid for a week: rb333, rb411,rb433,rb600,rb750,crs and ccr. Remaining will be taken upcoming weekend.

Steen, you are a partner of Mikrotik?
Or you're a lucky guy.

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Update to this version cost me a lot of troubles! I wish you could hear the bad words that went out here.... In every 10-30 minutes all physical (eth) ports are flapping (turning down and up again) and break down connections to 14 our local servers... very nice, I'm feeling like lab rat :? This is ...

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Why do you assume we don't have complex configs on our core network? I'm just being cautious. Also reading soo many negative comments on I did not say complex, I said specific. There are many ISPs running on this version now without any issues, with complext configs. Most people having prolems are ...

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I realize this is off topic... But Normis, please hear my thoughts. This is crazy with the bugs being introduced. I too am experiencing random reboots on 1100 hardware, as well as CCR. No "custom" scripting or complicated configurations. No userman, no hotspot, etc. I don't have the time/...

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please, has at least one of you contacted support about this? we can't fix it, if we can't see the problem

Normis,
I am not an employee of mikrotik, test you, stop using the purchasers of mikrotik as testers.

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Our RB 1100 AHX2 hangs completly after 4 or 5 days
Dont't install 6.21.1

With the x86 also hangs.

I do not understand why version v6.21.1 keeps the site, it is very unstable.

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Hi Nomis,

An RB750UP ist Broken After Upgrade to 6.21, Netinstall Wong work!
Netinstall sends over for the new Firmware and the RB doesnt catch it!

Testet with 6.19, 6.20,6.22RC

Mistry7

It also occurred to me, was destroyed sxt.

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@jeroen If you're spinning it that way, you might as well consider TCP "overhead" and reduce the actual payload to 1460 Bytes. Or consider the overhead of any higher layer protocol and reduce the payload even further. That way of thinking is misleading when you're talking about throughput...

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Upgrade to v6.21.1

Max L2MTU is now max 1580.

Work great.

Thanks Mikrotik team.

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Trying to move the thread to something more constructive. Does anybody have a reference or a description of the bug ? What is affected ? Is it safe to try to downgrade ? I'll try to be more constructive, I will test not more. If you read the other post you will know what I mean. !NB! We have remove...

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There was a 6.21 Thread. It had a serious bug.

Long time know that mikrotik not test updates, always doing shit, we who are the idiots who ever tested for them.
Forgive me, it has already passed the threshold long time.

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Upgrade to v6.22rc4

Max L2MTU is now max 1502, lower than before (1506).

Since the v6.21 has died soon after birth, we expect an increase of Max L2MTU for the next version.

Mikrotik team increases not decreases ....

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Upgrade to v6.21 (2014-Oct-29 09:41):

Max MTU is still 1506.

Mikrotik support:

Hello,

L2MTU on RB850Gx2 will be improved in one of the next few RouterOS releases, we
are working on it.

Regards,
Janis B.

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Upgrade to v6.21.rc24

Max MTU is still 1506.

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Without access to RB850 after upgrade to v6.21rc21.
Install v6.21rc21 with netinstall it works.

Max MTU is still 1506

att.
dzieva.

Upgrade ordinary from v6.21rc21 to v6.21.rc22 no problem.

Max MTU is still 1506

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Without access to RB850 after upgrade to v6.21rc21.
Install v6.21rc21 with netinstall it works.

Max MTU is still 1506

att.
dzieva.

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for the moment it seems that it is the case that max l2mtu is at that value (1506)
We will check what can be done in this regard.

It's been a week and no solution yet.

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Hi,

i updated from 6.20 to 6.21rc15 today. Got lots of Winbox issues. For example IP/DHCP Client, IP/IPSec, System/LED and some other categories crashing Winbox immediately. The Web Interface working without any issues.

+1

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So.... 850Gx2 with VLANs is useless?

and with VPLS is also useless...

http://forum.mikrotik.com/viewtopic.php ... 34#p452275

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I bought a RB850G and must use VPLS, as I do if Max L2MTU is 1506?

Ticket#2014101766000078

Still no response from mikrotik team.

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Could be a limit on the CPU as well.

I believe it is not a limitation of the cpu, the RB850 uses the same architecture of the RB800, Power Architecture e500v2 cores.

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Specifically, what does this mean?
>your destination will be garbage.

I bought the RB850 to be used with MPLS/VPLS, and is needed more than 1506, at least 1510 L2MTU with my setup, I was wrong to not check this detail, thus the garbage will be your destination.

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for the moment it seems that it is the case that max l2mtu is at that value (1506) We will check what can be done in this regard. Is this a software or switch chip limitation? Thanks RB850Gx2 Switch-chip Atheros8327 (ether1-ether5), equal to the RB1100AHx2, CCR1009 series, etc... Probably a limitat...

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What does this actually mean to real life performance? What are the downsides of having a L2 MTU of 1506?

fragmentation is one, vpls is another, etc...

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X-x

This sh#t have Max L2 MTU 1506 only!

RB850Gx2 ether1-ether5:1506

It is absurd to a new product with max L2 MTU 1506, its use will be very limited.
I already bought one, I'm sorry.

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We upgrade a pair of 493AH routers to 6.19, and saw EoIP start dropping packets > 1422 bytes. Rolled back to 6.17, no problems.

We did not, however, upgrade the far end of the EoIP tunnels, which may or may not have wound up working better.

I also have this problem.
I'm moving to VPLS.

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I think what everyone is trying to say is, that with PoE it is easier to incorrectly ground your installation If correctly grounded, there will be just as much resistance to surges.
+10.

-10

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On an RB912 ap with 25 stations, all SXT lite, there is 2-5% pachet loss with wireless-fp. No pachet loss before. All stations have installed 6.15 but with wireless package.

How is the TDMA Period Size ?
In one of my ptp, if leave the value lower than 2, it happens.

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Every update a new surprise, sometimes it takes a while to appear.

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My log is flooded with "negotiation failed due to time up" and my IPSec site-to-site VPN's are unstable now. Anything that I can do to help this? yeah don't upgrade. I too am in this boat and downgrading is a real pain in the a$$ with 6.17 as IPsec wont downgrade right below 6.17 and you ...

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*) snmp - support AES encryption (rfc3826); the (final?) 6.16 on the servers still missing the AES Encryption option in Winbox and WebUI. I'd say it is normal/expected. In the previous 6.x releases lots of new features were added as CLI-only first, with GUI support being added several releases afte...

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In automatic mode the link is disconnecting after used by a period.
I don't have disconnects when using auto.

Sorry I expressed myself wrong.
Do not fall wireless connection. does not pass data for a short period.

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I noticed that with wireless-fp package enabled for NV2 the field TDMA Period size can be empty. But if it is empty what does this mean ? Is it the minimal value or is it automatic. Do you advise leaving it empty or leaving the older configuration with set value ? If you leave it empty the settings...

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http://forum.mikrotik.com/download/file.php?id=17019 Normis, and the following is a bug in the log or not? Follow exactly this passage: Set timezone to manual, click apply, DO NOT USE "UNDO" set the right time zone, reboot, done. [this problem appear only if the 6.8+ are installed by upda...

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I'm always testing the RouterOS on a large distance, mikrotik made a mess in version 6.13rc20.
There is an alternative solution to upgrade the version 6.13rc20 except with netinstal?

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[admin@TestPlace] > system clock pr time: 14:30:01 date: may/16/2014 time-zone-name: Etc/GMT-3 gmt-offset: +03:00 [admin@TestPlace] > "-3 is not equal to +3" is still not fixed :) That this is not a bug, you should be using the "manual" menu, not changing the timezone name. Appa...

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NOTE! In some rare cases it might be impossible to do any package managment (upgrade/downgrade/enable/disable/uninstall/install) in 6.13rc13+ rc versions, board will simply reboot itself staying on previous version This is fixed for the release version of 6.13 (2014-May-15 14:33): Please, use Netin...

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There is still a bug in RouterOS 6.12 that was introduced in RouterOS 6.11 regarding bridge filter rules. I've found if you create bridge filter rules specifying an interface, the interface shown will go into hidden/minimized state in Winbox. The interface is still there and bridge filter is workin...

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Simple message - You guys need to improve your bug ticket handling, and spend more time testing before allowing firmware to be released. Perhaps a "pre-release" and "stable" branch with proper known issues being listed? This was different when you were "a small company"...

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E-mail with tickets is rather... old solution. Other users can't see my problem(s) and if they have it also, they could leave their observations on bug track. Atlassian Jira or something different and many problems could be gone. This has been discussed. Most of the reports are not bugs. Bug tracke...

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Bug on this new interface.
Bridge filters with in/out interface simply "disappear" from winbox but still appears on console.

+1

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Normis, supout.rif is necessary to know this?

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Can you please revert width of text fields in WinBox????
+1

+1

Normis , this is a modification or a bug?

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Bug on this new interface.
Bridge filters with in/out interface simply "disappear" from winbox but still appears on console.

Also have this problem.
Mikrotik always surprising with their releases ...

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This is a beta package, so use only in controlled test networks. The package will replace your default Wireless package upon installation, which means it will also add wireless functionality changes and improvements, not only CAPsMAN. What are the improvements? Improved also NV2 protocol? Unfortuna...

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R11e wireless card isn't supported together with RB11e as the adapted doesn't have all power pins connected to the mini-pcie slot. That is why if you use the R11e wireless card in that adapter you will not get the max output power. I would suggest to use RB14e/RB14eU, RB912 or RB800 board. http://r...

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I replace a R52Hn by a R11e-HnD, R11e proved to well below R52Hn, 5-10 dB higher in the Tx/Rx Signal Strength, and be ccq below.

Someone else has already tested the R11e-HnD?

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Sorry to hear this. As far as I know, the hotel ISP can't do anything. Such is the internet in this city. For a few people it's ok, but when 1000 people come for the MUM, it struggles.

Normis, disconnect happened between the notebook and mikrotik ap.

Thanks.

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Sergejs, you could fix the link with the internet (MUM Curitiba),
We are on the second day and still falling.

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As stated previously in this topic, to this date, we have not seen this issue in our tests, and have not been able to repeat it. Conditions like described, could arise from devices connected to the ports, cables, or other circumstances. The fact that since a specific version, RouterOS reports detai...

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What about the Ticket # 2013081566000079?

Hi mk team, about the Ticket # 2013081566000079, fix or not?

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What about the Ticket # 2013081566000079?

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I'm afraid to upgrade, it seems that 6.5 has more new bugs than correction of known bugs. I upgraded a few devices today including rb800, rb2011uas-2hnd-in, rb493g, rb450g, bunch of rb711ua-2hnd, rb751g-2hnd, rb751u-2hnd and everything works well .. at least for now. JF That is encouraging. Thank y...

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I'm afraid to upgrade, it seems that 6.5 has more new bugs than correction of known bugs.

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@rajo, Thousands already reported this bug but Mikrotik insist in adding features instead resolving basic bugs like this. It seems they only will listen to the community and bug reports when they start to lose customers + Nv2 is problematic in a noisy environment, and still bad since its launch, ca...

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here you could make a calculation of signal. If your AP sends at 1,6W and client have 40mw (as many laptop have) the result could be -80to-89 and -67 in the other side make a connect list rule, and don't allow clients with bad signal. Mikrotik is a nice hardware/software in 99% of all systems. But ...

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I had the same issue today (http://forum.mikrotik.com/viewtopic.php?f=2&t=76347). After I disabled the snmp service, port flapping was gone. I use cacti for monitor only interface and cpu count. best regards, Patrick I had unchecked snmp service and still had port flaps, the port flapping have ...

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I had the same issue today (http://forum.mikrotik.com/viewtopic.php?f=2&t=76347). After I disabled the snmp service, port flapping was gone. I use cacti for monitor only interface and cpu count. best regards, Patrick I had unchecked snmp service and still had port flaps, the port flapping have ...

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