svn commit: r225380 - head/sys/net

[Fabian Keil]

Andrew Thompson <thompsa at FreeBSD.org> wrote:

> Author: thompsa
> Date: Sun Sep  4 22:06:32 2011
> New Revision: 225380
> URL: http://svn.freebsd.org/changeset/base/225380
> 
> Log:
>   On the first loop for generating a bridge MAC address use the local
>   hostid, this gives a good chance of keeping the same address over
>   reboots. This is intended to help IPV6 and similar which generate
>   their addresses from the mac.
>   
>   PR:		kern/160300
>   Submitted by:	mdodd
>   Approved by:	re (kib)
> 
> Modified:
>   head/sys/net/if_bridge.c

Are there other places where the system advertises the hostid on the
network? I always assumed it to be a somewhat private identifier,
so I'm a bit surprised by this commit.

BTW, the man page still claims that the MAC address is chosen randomly.

Fabian
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