Does anyone seen this problem before? I was trying to upgrade my router from 2500 series to 2600 series. When I connected T1 line to DSU/CSU the circuit was up and working fine. I was able to connect to my network. However, when I connected pc line...

Does any one run into this problem?I just upgrade IOS on my 2651XM router. The version I upgrade was c2600-is-mz-122-24b.bin. After I upgrade sucessfully, the router no long see my 16 ports fastethernet. I did show int, I could not see the fasteth...

Can someone please tell me what is advantage and disadvantage of having IP CEF configure on your routers? I am thinking about set it up on 2600 series routers.Thanks

Hello,I want do traffic shaping on my 2600 series routers.At the central office I have 7500 series routers.This is my first time configure FRTS. Can you tell me how to do this? What commands do I need to enable from both routers?Thanks