Using GRE tunnel between two routers. I have CPE on the Serial Interface of each router. Routers are connectedto the public Internet by FastEthernet0. Serial and FE0both have public IP addresses. Using the config below,the tunnels work perfectly....

With a 3640 router, I want to add a WIC-1T serial interface. I see that I can easily buy this card on eBay for about $50, but I am assuming it will require a WAN Interface Card Slot Module (NM-2W), but I am having trouble finding them. The ones tha...

I need to setup up several GRE tunnels with Frame Relay betweentwo international locations and am wondering if the remote locationswill be able to get by with a Cisco 2600 or 3600. The remote connectionswill have bandwidth ranging from 512 to 2048. ...

Can anyone provide a little direction on this for me. This unit is giving repeated errors, such as:%IPFAST-2-PAKSTICK: Corrupted pak header for Serial0, flags 0x80-Traceback= 80050734 800272C0 8002CC60 8002A860 8014C3B0 8012163C 80140EF8 80140EF8 80...