Multiple IP's

sthaug at sthaug at
Thu Mar 20 07:55:27 UTC 2014

> > The main issue is not which interface is listening, only which IP address
> > responds.  I think the only fix is to have multiple NICs with routing
> > statements to the NIC.
> Correct. Using multiple addresses on one NIC with dhcpd is always going to cause problems.

That may well be the case if dhcpd is handling DHCP broadcast traffic
on the LAN. If you compile dhcpd to not handle broadcast traffic,
i.e. all traffic is via DHCP relay agents, multiple addresses is not
a problem. On the other hand, then you likely won't need it :-)

Steinar Haug, Nethelp consulting, sthaug at

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