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Cisco - Switch - VLANs

NOTE: Every Cisco switch has VLAN 1 on it by default.

Check the VLANs

show vlan

returns:

vlan 50
exit

interface range fastethernet 0/1 – 4
switchport mode access
switchport access vlan 50
exit

show vlan

returns:

...
20   VLAN0020   active    Fa0/1, Fa0/2, Fa0/3, Fa0/4
...

Remove assigned ports to VLAN 50.

interface range fastethernet 0/1 – 4
switchport mode access
switchport access vlan 1

NOTE: This moves them back to VLAN 1.

no vlan 50

show vlan

NOTE: This should show all ports are back to VLAN 1 and VLAN 50 is deleted.