[OpenWrt-Devel] [PATCH] Fixes regarding bridge multicast-to-unicast feature

[Linus Lüssing]

Hi,

Here are a few patches to fix the issues the multicast-to-unicast
feature of the bridge has: IGMP/MLD report suppression could lead
to multicast packet loss. Also see ticket #17625 [0].

As previously discussed on this mailing list, AP-isolation together
with bridge-hairpinning is a way to make the multicast-to-unicast
feature usable even if listeners potentially suppressing reports
are present: That way the bridge will get all reports and will have
full control on where to forward them. For instance *not* to other
STAs (unless there is a multicast router).

Furthermore [PATCH netifd 1/2] introduces a netifd option to disable
the multicast-to-unicast feature.

[PATCH netifd 2/2] is not related to this issue but introduces a
handy option (which I would like to make use of for IGMP/MLD domain
segmentation).


The OpenWRT specific patches should be applied after the netifd
patches arrived in OpenWRT.

Cheers, Linus


[0]: https://dev.openwrt.org/ticket/17625
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