Re: [PATCH 2/2] bridge: Use IPv6 link-local address for multicastlistener queries

[David Miller]

From: Linus Lüssing <linus.luessing@xxxxxx>
Date: Thu, 17 Feb 2011 19:17:52 +0100

> Currently the bridge multicast snooping feature periodically issues
> IPv6 general multicast listener queries to sense the absence of a
> listener.
> 
> For this, it uses :: as its source address - however RFC 2710 requires:
> "To be valid, the Query message MUST come from a link-local IPv6 Source
> Address". Current Linux kernel versions seem to follow this requirement
> and ignore our bogus MLD queries.
> 
> With this commit a link local address from the bridge interface is being
> used to issue the MLD query, resulting in other Linux devices which are
> multicast listeners in the network to respond with a MLD response (which
> was not the case before).
> 
> Signed-off-by: Linus Lüssing <linus.luessing@xxxxxx>

Applied.
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