Destination NAT for Route base VPN

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Destination NAT for Route base VPN

L0 Member

We have an requirement to set up a route base VPN, but remote proxy IP subnet clash with an existing remote subnet.

 

We are planning to use destination NAT, but not sure, how the routing will be controlled.

 

Please help to solve this problem.

1 REPLY 1

Cyber Elite
Cyber Elite

will the remote end participate in fixing the overlap? you could SNAT  to a fictitious subnet on the tunnel and have the remote do DNAT for the incoming packets

your end would be connecting TO fictitious IPs and be source NATed inside that same fictitious subnet (you can attch it to the tunnel interface for ease of use)

the remote would be receiving connections to/from a fictitious subnet they'd need to destination nat to the appropriate servers

 

else you'll want to look into policy based forwarding as regular routing is applied after NAT and DNAT will be an issue in this case

Tom Piens
PANgurus - Strata specialist; config reviews, policy optimization
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