How to configure dhcp to listen to a specific interface instead of 0.0.0.0?
sthaug at nethelp.no
sthaug at nethelp.no
Tue Jul 6 07:47:49 UTC 2010
> > Even though netstat shows dhcpd has a socket open that is listening, but
> > it only processes dhcp requests on the named interface.
>
> I've found that version 3.0.4-13+etch2 (debian) listens and steals traffic
> not intended for it on interfaces which it is configured to not use.
>
> The system runs smokeping, largely on an external interface, and dhcpd on an
> internal one. When dhcpd is processing a request it steals some of the
> smokeping replies on the external interface.
I believe this is a Linux-specific problem. Never seen anything like it
on FreeBSD, where I run a decent sized DHCP failover configuration with
quite a bit of other stuff on the same servers.
Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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