Hi I am in desperate need of help. We are trying to connect a Cisco 3750X 10GB port to a  Cisco 3560 12 port (10GB) Fibre Switch. The cable we are using is a 3M type single mode fibre cable. Both ports are configured as trunk ports and the GBICS we a...

Hi, I am baffeled I am trying to run VOIP traffic from an elastix server over a Cisco 870 router. Call quality is fine untill more then a few people start surfing the internet. I have tried to enable some QOS on the router but with it  I can make one...