Tag: cable-diagnostics
Cisco cable-diagnostics with TDR
Some Cisco switches have a way to check the condition of copper cables. This can be done via de command test cable-diagnostics tdr. TDR stands for Time Domain Reflector. More information about Time Domain Reflector can be found at the Cisco Support Community. The command can be very useful for basic layer 1 troubleshooting. core01#test … Read More