Linux source address selection vs. EUI-64

Geert Hendrickx ghen at
Sun Nov 14 13:05:33 CET 2010

On Sun, Nov 14, 2010 at 12:28:14PM +0100, Roger Jørgensen wrote:
> About the specific problem, I just tried it here on my LAN, I could route and
> use any IP addy on my Linux box and outgoing ssh session would use the newest
> IP address no mather what netblock I picked it from.  Sound a bit strange the
> issue you're having :/ (ubuntu 9.10 with 2.6.31-22-generic)

That's exactly the problem - Linux is using the newest / most recently added
IP address for outgoing connections.  With SLAAC enabled, that will (almost)
always be the EUI-64 address, not the statically configured one(s).


Geert Hendrickx  -=-  ghen at  -=-  PGP: 0xC4BB9E9F
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