netdev - Re: Who/What is supposed to remove IPv6 address from interface when moving from one network to another ?

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Message-ID: <CAF6-1L7De=QQz9YnRxqovnoxzfR0WHnQ-Fi4T_LZ+j9s=oQWyA@mail.gmail.com>
Date:	Mon, 18 Mar 2013 19:11:57 +0100
From:	Sylvain Munaut <s.munaut@...tever-company.com>
To:	Dan Williams <dcbw@...hat.com>
Cc:	Lorenzo Colitti <lorenzo@...gle.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: Who/What is supposed to remove IPv6 address from interface when
 moving from one network to another ?

Hi,

This might be a dumb idea but, would it make sense for the kernel not
to use as source address, an address generated from a prefix for which
the route has expired ? Like, I get a ra for 2001:1234::/64 prefix
with 2001:1234::1 gateway.  If the gateway is lost, using
2001:1234::my_mac_address as source address with another gateway I got
from another RA with a different prefix is fairely unlikely to work
... (at least most access network I know filter that)

Cheers,

    Sylvain
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