Summary of common Cisco switch commands

Common commands for Cisco switches -- set the switch Password

A. Change the remote TELNNET Password

 
 

  
  
Switch#configure terminal  
  
  
 
  
  
Switch(config)#line vty 0 4  
  
  
 
  
  
Switch(config-line)#password qycx123  
  
  
 
  
  
Switch(config-line)#login  
  
  
 
  
  
Switch(config-line)#exit 
 
 

B. Change the password when entering the global configuration mode.

 
 

  
  
Switch#configure terminal  
  
  
 
  
  
Switch(config)#enable secret qycx123 
 
 

Common commands for Cisco switches-create and divide VLANs

A. Create a VLAN

 
 

  
  
Switch # vlan database
  
  
 
  
  
Switchvlan) # vlan 99 name office
(Create vlan 99 and name it office)
 
 

B. Divide ports into VLANs

 
 

  
  
Switch (config) # interface fastEthernet 0/8
  
  
 
  
  
Switch (config-if) # switchport mode access
  
  
 
  
  
Switch (config-if) # switchport access vlan 99
(Divide the 8-day fast Ethernet port into vlan 99)
 
 

Common commands for Cisco switches-Debugging commands

A. display all the configuration commands: Switch # show run

B. Display All interface statuses: Switch # show ip int brief

C. Display All VLAN information: Switch # show vlan brief

For details about common commands of Cisco switches, refer to: vswitch router configuration: Cisco Networking instances.