Does anyone have experience with installing an IOS with SSH and 3DES so that you can configure the Serial and FastEthernet interfaces of a 2621 XM router? If so, what feature set are you using?

I have established an IPSEC tunnel with two Cisco 2621 routers. Clients over the Internet are able to dial into the MCU server, which is behind one of the Cisco 2621 routers configured with NAT but the MCU is not able to call the client. The MCU is...

Does any have experience with configuring an IPSEC tunnel with NAT? My current configuration has an MCU server on the back side of one router with a nonroutable address. The clients are able to dial into the MCU from from one end of the tunnel but...