Walt, Try this....the "src" keyword is a hint to the kernel about what address to select on a given route. This will only work if the kernel is asked to select the source IP based on a route. # ip route change default via $CURRENTGATEWAY src $IP_ON_ETH3 This might work before the change: # ping -n -v -I $IP_ON_ETH3 www.yahoo.com See also: http://linux-ip.net/html/routing-saddr-selection.html http://linux-ip.net/gl/ip-cref/node155.html Good luck, -Martin : I am running a public core router using private links from my provider. : : Details: : RH7.3 : 9 interfaces (all Intel) : eth0 is default gateway and has a private IP address : all other interfaces are links to other routers or networks : eth3 has a public IP address : : The core router will rarely need to access sites out on the internet, : but when it does it cannot get there because the eth0 has a private IP : address. Is there a way to force the router to use the ip address from : eth3 to access sites on the internet? If so, how would I route traffic : originating from eth3 to the internet? I have tried a few policy : statements coupled with some separate rules and tables to no avail. All : I am getting is Destination host unreachable when I issue the command : "ping -v -I eth3 www.yahoo.com". : : Please advise. Thank you in advance. : : Walt : -- Martin A. Brown --- SecurePipe, Inc. --- mabrown@xxxxxxxxxxxxxx
