Specifications

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Cisco 1700 Series Router Software Configuration Guide
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Chapter 4 Configuring Routing Among VLANs with IEEE 802.1Q Encapsulation
VLAN Commands
Usage Guidelines
IEEE 802.1Q encapsulation is configurable on Fast Ethernet interfaces.
Example
The following example encapsulates VLAN traffic, using the IEEE 802.1Q
protocol for VLAN 100:
interface fastethernet 0.100
encapsulation dot1q 100
show vlans
To view VLAN subinterfaces, use the show vlans privileged EXEC command:
show vlans
Syntax Description
This command has no arguments or keywords.
Command Mode
Privileged EXEC.
Example
The following is sample output from the show vlans command:
Router# show vlans
Virtual LAN ID:1 (IEEE 802.1Q Encapsulation)
vLAN Trunk Interface: FastEthernet0
This is configured as native Vlan for the following interface(s):
FastEthernet0
Protocols Configured: Address: Received: Transmitted: