Cisco Switch Troubleshooting Commands with Examples

  1. show interfaces

show interfaces gigabitEthernet 1/0/1

  1. show running-config
    show running-config
  2. show spanning-tree
    show spanning-tree
  3. show mac address-table
    show mac address-table
  4. show arp
    show arp
  5. show vlan
    show vlan
  6. show log
    show log
  7. show cdp neighbors
    show cdp neighbors
  8. show interface status
    show interface status
  9. show version
    show version
  10. show port-security
    show port-security

12-show running-config interface
show running-config interface GigabitEthernet1/0/1

  1. show ip interface brief
    show ip interface brief
  2. show vlan brief
    show vlan brief
  3. show processes cpu history
    show processes cpu history
  4. show log | include
    show log | include %SYS-5-CONFIG_I
  5. show ip route
    show ip route
  6. show interface status
    show interface GigabitEthernet1/0/1 status
  7. show etherchannel summary
    show etherchannel summary
  8. show tech-support
    show tech-support

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