On Fri, Oct 22, 2010 at 8:31 PM, Stephen Clark <sclark46@xxxxxxxxxxxxx> wrote: > Hello, > > Problem: > I have a two monitoring servers behind a a linux firewall, one is primary > and one is backup. > In the field we have units sending udp informational packet to the primary > server. On the > linux firewall I would like to copy this packet and change the destination > address of the copied > packet to point to the backup server. Is there a way to do this without > writing any code? > > NOTE: > Currently the firewall is FreeBSD and we accomplish this rather easily using > ipfw along with natd, but we want to move to linux for our firewall. > I think you can use tc action mirred to mirror the packets to a fake NIC device ifb, and use tc action nat to dnat the packets received from ifb. -- Regards, Changli Gao(xiaosuo@xxxxxxxxx) -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html