Step 1

configure terminal

Enter global configuration mode.

Step 2

interface vlan vlan_id

Enter interface configuration mode, and specify the Layer 3 VLAN to configure.

Step 3

ip address ip-address subnet-mask

Configure the IP address and IP subnet mask.

Step 4

end

Return to privileged EXEC mode.

Step 5

show interfaces [ interface-id ]
show ip interface [ interface-id ]
show running-config interface [ interface-id ]

Verify your entries.

Step 6

copy running-config startup-config

(Optional) Save your entries in the configuration file.