multihomed server on isolated networks

Alan DeKok aland at
Fri Mar 29 20:59:32 CET 2013

Lev Bronshtein wrote:
> I have a requirement where a DHCP server should have a leg into a number
> of isolated networks.  Which means that when I set
> DHCP-DHCP-Server-Identifier  as an interface address only one network
> will find it.

  I'm not sure what that means.

> My current options include setting up routes on other networks to the
> respective interfaces, numbering the loopback and again doing the same,
> however I was hoping that there maybe a configuration option that will
> set the Server Identifier to be the IP address of the egress interface.

  I'm less sure what that means.

  Do you want the DHCP server to listen on multiple IPs?  Can you be
more specific, with examples?

  You may want to read raddb/sites-available/README.  You can set up
multiple virtual servers, and have different policies for each.  This
works for DHCP as well as for RADIUS.

  Alan DeKok.

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