Port forwarding on Cisco 2620 router!

Anybody has experience with cisco 2620 router or any 2600 router. I want to know how to forward ports on this router. I want to RDP to a windows system, which is behind this router. I have access to this router.

Part of the 'show version' output on the router:

Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-DS-M), Version 12.2(5), RELEASE SOFTWARE (fc1)


Anyone knows the command for port forwarding for this router???

Thank you in advance,
Sanjay.


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