I have recently come to find that my 6509 chassis' have reached the peak of capacity as far as power is concerned. Cisco has advised me to upgrade power supplies from 1300W to 2500W. Okay, so I run some 220 and I'm ready to go. Question here is how d...

I am trying to understand the signalling that a port goes through when a connection is made. The problem I am seeing is this:In an HA config server, I have two physical connections. One to access switch A, and one to access switch B. These remain ...

Does anyone have information regarding the differences between dot1q and ISL trunks? As I understand it, ISL encapsulates the packet with a 32-byte header. This can decrease the scalability of the network. The addition of say 10 vlans over a trunk...