RouterOS 6.9 IGMP proxy stop working

Hi all,
IGMP proxy stop working suddenly and unpredictably.
In log :
Leave multicast group failed on interface
Cannot assign requested address

It may work 2 min… or 18 hour on restart only

What about IGMP proxy stability - it problem from 5 ROS.

Model 2011UAS
Serial Number 402F026D8955
Current Firmware 3.10
Upgrade Firmware 3.10

please check that you do not have fast-leave set on the interface that has 2 or more customers connected.

If that is not the case, generate support output file when problem is present and send it to support@mikrotik.com as 6.9 had all known long standing IGMP-proxy problems resolved.

Hi janisk,

bug described in this post still persist (fast leave is disabled):
http://forum.mikrotik.com/t/new-bug-with-igmp-proxy-in-6-x/70154/16

Also, bug when mikrotik stop forwarding multicast still persist.

i use PIM routing and i have same problem
ros 6.9 on RB2011
router will ignore join request at randomly time…

I noticed today that ether1 is down/up because of bad connector. Ether1 is also a upstream interface in IGMP proxy and after this he’s stop to work a forwarding. It is obvious that something freezes in IGMP proxy after the upstream interface goes down and then up.

please latest version available for IGMP-proxy, that is 6.10 or even 6.11rc1 if possible.

Janisk, make igmp snooping on routerboard’s with switch chip. That will stop all problems with multicast.

6.10 have same problem. IGMP proxy not work after upstream interface link down/link up. Only reboot help.

I agree with you.

Find way to start igmp proxy without reboot, then make script to do that and put it on event “on up” in netwatch for upstream interface.

What exactly is problem with fast-leave enabled?

IGMP is started, IGMP messages work ok, but the router is not forwarding IGMP traffic. There is no way to restart the IGMP proxy manually, and it’s not an option to wait to my customer calls and complains that he’s television is not working. I need IGMP proxy that works properly!

Well am trying to help you…

so what did you try? Remove upstream interface and put it back it igmp proxy. Remove downstream interface then put it back. Test when forwarding will be restarted. That will help you to make script, or even help mikrotik to fix problem.

Did you try to auto reboot your routers every for example 24 hours, 5am or so?

One simple question, do you have more then one customer on 1 ethernet interface? For example, from mikrotik ethernet to some switch?

You do not understand, I do not want to try anything, I want proper IGMP proxy, nothing else comes into consideration. I have RouterBoards with 20 TV users or so, when IGMP proxy freezes, everyone on that RouterBOARD is left without television. Every day at least 10 users is calling and complaining that their TV is not working.

So you would rather make your customers angry and waiting mikrotik to do something?

Did you try PIM? (and don’t tell me that your devices doesn’t support it because PIM listens to IGMP requests in exact same way).

Obviously you’re not up to date with Mikrotik IGMP bugs. I tried everything possible a few years ago when I reported these bugs … I have FTTB infrastructure and to buildings I use GEPON, unfortunately I can use only IGMP becouse I don’t have PIM snooping on OLT and ONUs.

PIM will listen to OLT’s IGMP request in very same way as IGMP - beleive it or not. OLT send IGMP request to join some multicast group (you know how it works). PIM (beleive or not) will process that request also.

you’re wrong
I have three types of OLTs and PIM not working on any

i can confirm that PIM doesnt work on OLT with me.With PIM I receive 500Mbps to the router which is behind the ONU, but on the IGMP I recive only about 10Mbps which is the stream being watched…

Interesting, for me it works (but with VLC player).

Wait, you are receiving whole multicast (500Mbps) to the router? Then something is wrong between routers.

Multicast flow is:

MC Sourse > SWITCH > RB 1100 (with IGMP proxy) > SWITCH with IGMP Snooping > OLT > ONU > RB2011 (IGMP proxy) > END USERS

One ONU and one rb2011 or CRS per entrance of building. On RB2011/CRS in entrance with IGMP proxy I have only IGMP groups wich users watching (what is ok), but with PIM I have all IGMP groups wich coming to OLT and CPU on 100%