[OpenWrt-Devel] Regarding bridge multicast-to-unicast patch
nbd at openwrt.org
Wed Sep 10 09:49:18 EDT 2014
On 2014-09-10 05:41, Linus Lüssing wrote:
> Hi Felix,
> Matthias just told me about the work you have done on the bridge
> code which can be found as 645-bridge_multicast_to_unicast.patch
> in the OpenWRT repositord.
> I really like the idea of unicasting multicast packets to STAs.
> Especially as that would fit nicely with the work done on
> batman-adv and multicast :P.
Great, now that it has received some test coverage, I'm considering
sending it upstream soon (after your comments below have been addressed
> Currently, I think I'm seeing a conceptual issue with this
> specific implementation though, leading to multicast packet
> loss: It seems to me that IGMPv2/MLDv1 report suppression (as well
> as IGMPv3/MLDv2 report suppresion in the presence of IGMPv2/MLDv1
> listeners/reports) was not considered.
Could you please give me some details on that? I don't understand how
this relates to my multicast->unicast translation implementation or how
it can cause multicast packet loss.
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