Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
show interfaces counters
Gi0/1 4990607 28079 21122 10
Gi0/2 1621568 25337 0 0
Switch# show interfaces counters errors
Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize
Gi0/1 0 0 0 0 0
Gi0/2 0 0 0 0 0
Gi0/3 0 0 0 0 0
Gi0/4 0 0 0 0 0
Port Single-Col Multi-Col Late-Col Excess-Col Carri-Sen Runts Giants
Gi0/1 0 0 0 0 0 0 0
Gi0/2 0 0 0 0 0 0 0
Gi0/3 0 0 0 0 0 0 0
Gi0/4 0 0 0 0 0 0 0
This is an example of output from the show interfaces counters protocol status command for all
interfaces.
Switch# show interfaces counters protocol status
Protocols allocated:
Vlan1: Other, IP
Vlan1001: Other, IP, ARP
FastEthernet0/1: Other, IP
FastEthernet0/2: Other, IP, Spanning Tree, ARP, CDP
FastEthernet0/3: Other, IP
FastEthernet0/4: Other, IP
FastEthernet0/5: Other, IP
FastEthernet0/6: Other, IP
FastEthernet0/7: Other, IP
<output truncated>
This is an example of output from the show interfaces counters trunk command. It displays trunk
counters for all interfaces.
Switch# show interfaces counters trunk
Port TrunkFramesTx TrunkFramesRx WrongEncap
Gi0/1 0 0 0
Gi0/2 0 0 0
Related Commands Command Description
show interfaces Displays additional interface characteristics.