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Forum Discussion
Surffa
Jul 12, 2019Apprentice
Orbi RBR20 IGMP proxy behavior
Hi I've been now debugging my IPTV device problems on Orbi for quite some time, with couple of past firmware versions without any clear difference. Now how it seems to me, is that the IGMP proxy...
FURRYe38
Jul 12, 2019Guru
What happens if you disable IGMP on the RBR?
Something you might contact NG support and and have them review this...
Surffa
Jul 13, 2019Apprentice
Disabling IGMP seems to work as I would expect. Membership queries stop coming and Multicast traffic stops pretty much immediately.
Just for notion. I'm running a real packet capture to do the Diagnosis, so I feel fairly accurate with my analysis so far..
But all right, let me contact the support directly. I have a feeling that IGMPv3 setting is not quite working..
- SurffaJul 13, 2019Apprentice
Or probably I don't. My device is long past the complimentary support period and I'm not willing to pay anything for this.
I really can't figure out how to contact support or file potential bug reports. Hmh. Weird policy if you ask me..
- FURRYe38Jul 13, 2019Guru
Ya, sounds like something NG support needs to collect debug logs from you and get engineering to have a look.
Let us know how it goes.
- SurffaSep 28, 2019ApprenticeLooks like something has changed in the behaviour since the last post.
At the moment I've been unable to reproduce this behaviour anymore and IPTV has worked fine for some weeks now.
That being said, it only works in router mode, if I run it behind a NAT, but setting Orbi as exposed host. I tried running PPPoE from Orbi as well, but in that use case the Orbi literally seems to crap in pants as soon as Multicast traffic starts to flow.. All devices start slowing down and dropping from the internet. I checked the debug page of the Orbi and loads are constantly between 60 and 100. Without PPPoE it runs around 30 iirc.
It's sort of ok now, but it's hard to see why Orbi as exposed host doesn't suffer from same symptoms. And running double NAT is far from a good idea.
AP mode always worked well, but that disables most of Orbi features. This all in VDSL network of Deutsche Telekom.