Using show commands

The table below lists some show commands that are often used for troubleshooting.

Table 1. show commands used for troubleshooting

Command group

Commands

Specific fields or purpose

System commands

show chassis

show environment

show firmwaredownloadstatus

show license

show logging raslog

show mac-address-table

show process cpu

show process memory

show running-config

show system

show version

show vlan brief

Interface commands

show interface

show ip int brief

show media

show qos flowcontrol interface

show qos queue interface

show qos int

Check pause-frames

Check the CoS statistics

Check packet drops, buffer consumption, real-time queue statistics

Feature commands

show port-channel detail

show lacp counter

show lldp neighbors detail

show lldp statistics

show qos interface all

show udld statistics