Packet Forwarding in Linux.

Hi.

I have a requirement like below:

(Host A)
Traffic Generator -> (eth0) Linux box with Two NICs (eth1)---->Router's
Interface

I have a 192.168.x.x /24 IP setup on the eth0, my requirement is to get
the traffic generated from Host 'A' to eth1 (ideally forwarded from
eth0). At this point I have two questions:

1) If I need to get the traffic from eth0 to eth1, should I setup eth1
to have a 192.168.x.x IP? and set a default route to eth1 IP ?

2) Is there any other approach (which will just fwd all packets on eth0
to eth1 irrespective of the IP - at the MAC level) to do this?

Thanks & Regards
Ramesh

.

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