Basic Cisco CLI

List intefaces with descriptions

show int description

Show detailed config for a specific interface

show running-config interface FastEthernet4/38

Show list of vlan and connected interfaces

show vlan brief

Setup an interface with

interface GigabitEthernet1/0/3
 description Gianni's desktop
 switchport access vlan 100
 switchport trunk native vlan 100
 switchport trunk allowed vlan 100,104
 switchport mode trunk
 spanning-tree bpduguard disable
end

Shutdown an interface

# enable
# configure terminal
(config)# interface FastEthernet 0/1
(config-subif)# shutdown
(config-subif)# end
# write

Set a description

# en
# conf t
(config)# int FastEthernet 0/1
(config-subif)# description This is 1st Port of My Switch
(config-subif)# end
# write