Subject: Re: [PATCH net-next] mcast: ensure L-L IPv6 packets are accepted by bridge

From: Linus Lüssing <[email-masked]>
Date: Wed, 14 Aug 2019 22:11:38 +0200

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?

Could you also post the output of bridge mdb show?

Regards, Linus

PS: Also please include the bridge mailinglist in the future.