We need to test two ethernet cards by sending packets between the two cards on the same system connected with a crossover cable. It seems like the IP layer of Linux bypasses the hardware and routes back the packets destined to its own ip address. That is, if I have 2 ethernet cards configued with 2 different ip addresses, and if i try to send a packet from one ipaddress to the other on same system, these packets never reach the 2 ethernet cards and are bypassed at the IP layer. I would like to know if there is any way to disable this bypassing at IP layer as a configurable option. Thank you Greg Rodgers rodgersg@us.ibm.com PS. My mom says it is not good to talk to oneself. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html