Knowledge Base | Cisco Switch Basic Commands

SW1# show version

To see the configuration of the switch;

SW1# show running-config

or briefly

SW1# sh run

To see the configuration of all ports of the switch;

SW1# show interfaces status

To see the configuration of a port of the switch;

SW1# show running-config interface gigabitEthernet 1/0/4

“We are seeing the configuration of the 4th Port of the Switch”

To see the vlan;

SW1# show vlan

To see all Mac Addresses;

SW1# show mac address-table

To see which port a Mac Address is on;

“In cisco switches, mac ades are usually grouped as xxxx.xxxx.xxxx”

SW1# show mac address-table address xxxx.xxxx.xxxx

To see the Mac Address of the Device on a port;

“We are seeing the mac address of the 3rd port of the Switch”

SW1# show mac address-table interface gigabitEthernet 1/0/3

To see the status, instant and statistical information of all ports and vlans;

SW1# show interfaces

To see the status of a certain port only;

“We are seeing the status of the 2nd Port of the Switch”

SW1# show interfaces gigabitEthernet 1/0/2

To find ports closed by the switch due to an error;

SW1# show interfaces status err-disabled

To close a port;

“We are seeing how the 5th port of the Switch is closed”

SW1# configure terminal
SW1(config)# interface gigabitEthernet 1/0/5
SW1(config-if)# shutdown

To open a closed port;

“We are seeing how the 6th port of the Switch is opened”

SW1# configure terminal
SW1#(config)# interface gigabitEthernet 1/0/6
SW1(config-if)# no shutdown

Assigning vlan to the portal or changing the vlan for;

“We are seeing to throw the 2nd port of the Switch to 105 vlan”

SW1# configure terminal
SW1(config)# interface gigabitEthernet 1/0/2
SW1(config-if)# switchport access vlan 105
SW1(config-if)# end

To write a description on a portal;

“We are seeing adding the camera port description to Port 4 of the Switch”

SW1# configure terminal
SW1(config)# interface gigabitEthernet 1/0/4
SW1(config-if)# description kamera portu
SW1(config-if)# end

To change the name of the Switch;

“We see changing the name of the switch to sw1”

SW1# configure terminal
SW1(config)# hostname sw1

To save the switch’s configuration;

SW1# write memory

or briefly;

SW1# wr

To restart the Switch;

SW1# reload

To exit from the switch;

SW1# Exit

Author: Samed Gül