On 7/5/11 4:12 PM, Arun wrote:

Just add default route at your node 10.225.162.28, and make the default
GW for this route as 192.168.28.0/24 or the connected interface. Your
SRV node should pass it to its default gw 192.168.28.1 which should take
care of forwarding it to the destination RN. If your SRV node could NOT
forward the ping reply then add a specific route there like - "pkt comes
from 10.225.162.0 then forward it to 192.168.28.1.
Thanks.

Hi:

There can only be one default gateway, anything else doesn't make sense. I did try adding a specific route on SRV for RN such that pings arriving on 10.225.162.28 would be responded correctly. But, then RN can no longer reach 192.168.28.196. No surprise there really.

So, why do we have this setup? Well, some services like ssh that is used for administration must arrive on 192.168.28/24 where as the commercial service has a dedicated network on 10.225.162/24 and to ensure availability and bandwidth we cannot accept to have ssh coming in on that network.

I should add that this is a Red Hat Linux, I ask here since the FBSD implementation of the tcp/ip stack is considered the reference implementation.

So the question is which behaviour is correct, recommended or accepted? Stripping the link layer and reply according to the network layer, or keeping the link layer?

Thanks, Erik
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