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Digi Transport WR44: Can you set NAT on a GRE tunnel interface?

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I have two ethernet interfaces, eth0 traffic will be routed through the cellular WAN, eth1 traffic will be routed through a GRE tunnel carried over the Cellular connection. Can I configure the GRE tunnel interface with NAT spcifically for ethernet1?
asked Feb 15, 2017 in Digi TransPort Cellular by alwayson New to the Community (4 points)

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3 Answers

0 votes
Hi

You can do nat on a gre tunnel you would have to use the firewall to NAT the packet as it enters and exits the tunnel and this would depend on where the traffic started.

there is an option under advanced in GRE to switch this on.

simple rule

pass break end from addr-eth1 /24 to any -> x.x.x.x

hope that helps

regards

James
answered Feb 16, 2017 by James.Wilson Veteran of the Digi Community (1,225 points)
0 votes
Thanks James, I'll give it a go
Regards
David
answered Feb 16, 2017 by alwayson New to the Community (4 points)
0 votes
Thanks James, works a treat!
answered Feb 21, 2017 by alwayson New to the Community (4 points)
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