two nics, one dhcp server

Chuck Swiger cswiger at
Tue May 25 10:35:58 PDT 2004

dave wrote:
>     I've got a machine that i need to give two separate addresses to using
> two nics, both of which are 3c905's, working fine under 5.2.1. I've got
> lines in rc.conf set so they both get their addresses via dhcp, however this
> isn't working. Having both cards in the box neither gets an IP, singley they
> work fine. Cabling is working, and i'm out of ideas as to what to try.

The subject implies that you are connecting both NICs to the same subnet.  The 
simple answer is that this won't work-- it's not useful.

A more complex answer is that you could configure the DHCP server to give a 
different subnet mask to one of the interfaces using a host entry specifying 
the MAC address of that interface.

What are you trying to do?


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