On Tue, Oct 23, 2012 at 01:05:04PM +0200, Christoph Pleger wrote: > Hello, Hi. > > I am running a DHCP-Server that serves multiple subnets. The server has > an IP address in all of these subnets, and its primary IP address in a > subnet that is not served by DHCP. Every IP address has its own VLAN > Ethernet interface, eth0.102, eth0.104, etc. In this setup, the DHCP > server often does not send its unicast replies on the interface where it > received the corresponding request, but on the interface of its primary > IP address, and with that IP. My first thought how to change this was by > setting routes depending on destination addresses, but this would cause > big problems with other services running on the same machine, so I tried > to combine iproute2 and iptables, like this: If you have a separate IP for an each interface, everything should be ok, because of device routes. Show ip rou output for your vlans. -- To unsubscribe from this list: send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
