On Tue, Sep 1, 2009 at 8:58 AM, Mohan Sundaram<mohan....@gmail.com> wrote: > When a packet arrives to a box, if the destination is > not local, the packet should be forwarded. This forwarding will happen > only if the ip_forward flag is set to 1.
Rare for me to reply to my own msg. Missed adding something. Lets say a system has 2 interfaces in 2 different subnets like what the OP has - 192 subnet and 172 subnet. The IP address of the these interfaces is local. Thus, any packet arriving with any of these addresses as the destination, irrespective of the interface it comes from is processed in the local path. A packet arriving via the 172 address interface with destination IP being that of the 192 address of the other interface on the same system will be processed locally and does not need forwarding to be on. Mohan Sundaram _______________________________________________ To unsubscribe, email ilugc-requ...@ae.iitm.ac.in with "unsubscribe <password> <address>" in the subject or body of the message. http://www.ae.iitm.ac.in/mailman/listinfo/ilugc