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Cisco Secure Router 520 Series Software Configuration Guide
OL-14210-01
Chapter 5 Configuring a LAN with DHCP and VLANs
Configure VLANs
Assign a Switch Port to a VLAN
Perform these steps to assign a switch port to a VLAN, beginning in global configuration mode:
Verify Your VLAN Configuration
Use the following commands to view your VLAN configuration.
• show—Entered from VLAN database mode. Displays summary configuration information for all
configured VLANs.
• show vlan-switch—Entered from privileged EXEC mode. Displays detailed configuration
information for all configured VLANs.
Router# vlan database
Router(vlan)# show
VLAN ISL Id: 1
Name: default
Media Type: Ethernet
VLAN 802.10 Id: 100001
State: Operational
MTU: 1500
Translational Bridged VLAN: 1002
Translational Bridged VLAN: 1003
VLAN ISL Id: 2
Name: VLAN0002
Media Type: Ethernet
VLAN 802.10 Id: 100002
State: Operational
MTU: 1500
Command Purpose
Step 1
interface switch port id
Example:
Router(config)# interface FastEthernet 2
Router(config-if)#
Specifies the switch port that you want to assign
to the VLAN.
Step 2
switchport access vlan vlan-id
Example:
Router(config-if)# switchport access vlan 2
Router(config-if)#
Assigns a port to the VLAN.
Step 3
end
Example:
Router(config-if)# end
Router#
Exits interface mode and returns to privileged
EXEC mode.