IPSEC VPN and port forwarding issue

I've configured a VPN (IPSec) between 2 sites on Cisco 881-K9.

The server "A", which have the address 192.168.0.X must be reachable on port 3389 from public network.

I've configured forwarding ports with the command:

ip nat inside source static TCP 192.168.0.X 3389 interface fastethernet 0 3389

The server is reachable from outside, from the site in which it is located.

But there is an issue with the second site:

  • I can ping the server with its local address 192.168.0.X
  • But telnet to port 3389 unreachable.

Resolurion: (conditional port-forwarding)

ip nat inside source static tcp 192.168.0.X 3389 x.x.x.x 443 route-map VPN

access-list 107 deny ip 192.168.0.X 0.0.0.255 any

access-list 107 permit ip any any

route-map VPN permit 10

match ip address 107

 


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