i have 4 routers configured to run ospf overframe relay in broadcast mode. The only issue that i have is that the DR can ping the other routers but the other routers cannot ping themselves. They have each others routes in their routing table because ...

Any ideas as to why i keep getting this message when i do a "debug serial interface" on my 1605 router? The interface will not come up and i want to be sure before i replace it.

Can anyone please advise me on what equipment will be needed to set up a calling card business? Basically terminating calls at my premises and routing them to the service provider.

i am tryibg to rebuild my lab from scratch but i acnnot seem to permanently get rid of the frame relay PVCs that i configured before. I have tried erasing the startup config and reloading. As soon as i configure new DLCIs, the old PVCs show up when i...

hi, i have a Cisco PIX 520 and would like to be able to access my CCIE lab when i am not at home. What kind of basic config can i have to do this. My skills are more R/S than security.