On Tue, 22 Mar 2005 16:20:13 +0200, Chavdar Videff <[EMAIL PROTECTED]> wrote: > > The reason why we do this is because the Cisco router is maintained by our ISP > and it is configured for the entire LAN. I cannot touch there. And I cannot > change the LAN address space because there are servers accessed from outside. > This is the reason why both interfaces of the Debian gateway have addresses in > the same subnetwork. I use SNAT/DNAT in iptables to masquerade the hosts > behind the Debian box, so that replies from the Cisco Router pass through the > Debian box instead of going directly to that host. > It works if I use 1 NIC with 2 aliases: eth0 = 10.50.40.28/26 and eth0:1 = > 10.50.40.29/26. My problem is when the above addresses are assigned to 2 NICs > on the same host, i.e. eth0 = 10.50.40.28/26 and eth1 = 10.50.40.29/26. > > Regards > > Chavdar Videff > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > > AFAIK, the easiest way to router traffic between interfaces of the same subnet is a bridge with ebtables [1] In 2.4.x kernels, you must patch the kernel to get ebtables, put it�s included in 2.6.x kernels.
You can also try ARP Proxy, but I�ve understood you need to keep the subnet as it is. [1] http://ebtables.sourceforge.net/
