DHCP relaying

Alan DeKok aland at deployingradius.com
Thu Sep 19 14:40:44 CEST 2013


Nikolaos Milas wrote:
> I would like to ask how we can direct FR dhcp server (using an ldap
> backend) to relay to another dhcp server.

	...
	update control {
		DHCP-Relay-To-IP-Address := 192.2.3.4
	}
	...

> The idea is that we have a db of known MAC addresses which have an
> associated VLAN (assigned during MAC Auth) and a static IP address
> (assigned through FR dhcp server). If a MAC address is unknown, we would
> like to be able to relay to another dhcp server which will be
> responsible for dynamic IP address allocation (because, as I understand,
> FR does not support dynamic IP address allocation) on a private IP
> address range, with limited access.

  In 2.2.1, it can handle dynamic IP allocation.  See
raddb/sites-available/dhcp.  Look for "pool".

  Alan DeKok.


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