Hi I have a Catalyst 2960-S switch and a pre-standard IP Phone (Cisco 7960). When I connect the phone to the switch the switch recognizes the phone and supplies power. I would like to prevent this behaviour. ie. I would like to disable detection of p...

Hi,I have been trying to use the IOS 'prbs' cable diagnostics on a Catalyst 2960S switch but I can't figure out the correct syntax. I have tried a number of things:test cable-diagnostics prbs start ?  interface  Specify an interface for testThis is i...

Hi I have a Catalyst 2960S and I have just started experimenting with the TDR cable diagnostics commands:test cable-diagnostics tdr int Gi0/1show cable-diagnostics tdr int Gi0/1The results look good however this fuction needs to bring the link down f...