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Re: IPv6 src address selection rules and 2.2.19

To: Michael Richardson <mcr@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: IPv6 src address selection rules and 2.2.19
From: Pekka Savola <pekkas@xxxxxxxxxx>
Date: Tue, 6 Nov 2001 09:50:26 +0200 (EET)
Cc: <netdev@xxxxxxxxxxx>
In-reply-to: <200111060339.fA63d6j01897@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
On Mon, 5 Nov 2001, Michael Richardson wrote:
>   Are there known problems with src address selection with IPv6 on 2.2.19?
> (I am reluctant to upgrade this box to 2.4 until Debian Woody ships..)

The same problems as with 2.4; source address selection is .. very simple,
one could say.  USAGI have implemented new RFC-candidate src address
selection rules from KAME, and those will hopefully be merged to
mainstream at some point; I view this as rather important (one reason is
because 3ffe/2001 vs 2002 selection does not work, which could optimize
traffic enermously in some cases :-)

> I also can't remove the 2002: address:
> 
> cassidy:/home/mcr# ip -f inet6 addr del 2002:c08b:2e21:2:260:97ff:fe04:3d70 
> dev eth0
> RTNETLINK answers: Cannot assign requested address

Use:

# ip -f inet6 addr del 2002:c08b:2e21:2:260:97ff:fe04:3d70/64 dev eth0

(or just ip -6 addr del [...])

-- 
Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords


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