On Wed, 2019-08-14 at 23:34 +0300, Nikolay Aleksandrov wrote: > On 8/14/19 11:11 PM, Linus Lüssing wrote: > > On Wed, Aug 14, 2019 at 05:40:58PM +0100, Patrick Ruddy wrote: > > > The group is being joined by MLD at the L3 level but the packets are > > > not being passed up to the l3 interface becasue there is a MLD querier > > > on the network > > > > > > snippet from /proc/net/igmp6 > > > ... > > > 40 sw1 ff0200000000000000000001ff008700 1 00000004 0 > > > 40 sw1 ff020000000000000000000000000002 1 00000004 0 > > > 40 sw1 ff020000000000000000000000000001 1 0000000C 0 > > > 40 sw1 ff010000000000000000000000000001 1 00000008 0 > > > 41 lo1 ff020000000000000000000000000001 1 0000000C 0 > > > 41 lo1 ff010000000000000000000000000001 1 00000008 0 > > > 42 sw1.1 ff020000000000000000000000000006 1 00000004 0 > > > 42 sw1.1 ff020000000000000000000000000005 1 00000004 0 > > > 42 sw1.1 ff0200000000000000000001ff000000 2 00000004 0 > > > 42 sw1.1 ff0200000000000000000001ff008700 1 00000004 0 > > > 42 sw1.1 ff0200000000000000000001ff000099 1 00000004 0 > > > 42 sw1.1 ff020000000000000000000000000002 1 00000004 0 > > > 42 sw1.1 ff020000000000000000000000000001 1 0000000C 0 > > > 42 sw1.1 ff010000000000000000000000000001 1 00000008 0 > > > ... > > > > > > the bridge is sw1 and the l3 intervace is sw1.1 > > > > What kind of interface is sw1.1 exactly? Is it a VLAN or a VRF > > interface? Something else? > > > +1 > > > Could you also post the output of bridge mdb show? > > > > Regards, Linus > > > > > > PS: Also please include the bridge mailinglist in the future. > > > > Note that if you'd like to debug a host joined group currently bridge mdb show > will not dump it and if the group is host-joined only it > can even be empty. You can use my latest set (not applied yet): > https://urldefense.proofpoint.com/v2/url?u=http-3A__patchwork.ozlabs.org_project_netdev_list_-3Fseries-3D125169&d=DwIDaQ&c=LFYZ-o9_HUMeMTSQicvjIg&r=au3D9TlUU6OvFpWOU9cuIHeNeV2fw-AOF1ZqCRqsILc&m=KsdarH0MAMMoKZ4PuvHrEC57uEluTGK-XSL4uUxu9MY&s=jyoK6VVmFh1KpKZirrtUYwq9nLy8fz-GigFFLjaLsoE&e= > > Alternatively you could monitor the mdb events, it will show up there even > today without any changes (bridge monitor mdb) and you can check if it's > getting deleted. > > Cheers, > Nik The sw1.1 interface is a .1q vlan The output of "bridge monitor mdb" is empty I can see the incoming query and the outging report on tshark: 29002 72654.887739 fe80::4041:1ff:fe00:101 → ff02::1 ICMPv6 94 Multicast Listener Query 29003 72655.502035 fe80::eac5:7aff:fe00:8700 → ff02::16 ICMPv6 194 Multicast Listener Report Message v2 debugging shows that bridge code sees the incoming query but not the outgoing report. Thanks for all the pointers - I will pursue what is happening. -pr
