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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 35 Layer 2 Control Protocol Peering, Forwarding, and Tunneling
How to Configure Layer 2 Control Protocol Peering, Forwarding, and Tunneling
4. service instance id ethernet
5. encapsulation encapsulation-type
6. l2protocol tunnel [protocol]
7. bridge-domain bridge-id
DETAILED STEPS
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
interface
type number
Example:
Router(config)# interface gigabitethernet
0/4
Specifies an interface type and number and enters interface
configuration mode.
Step 4
service instance
id
ethernet
Example:
Router(config-if)# service instance 9
ethernet
Configure an Ethernet service instance on an interface.
• id—Integer that uniquely identifies a service instance on an
interface.
Step 5
encapsulation
encapsulation-type
Example:
Router(config-if-srv)# encapsulation
untagged
Sets the encapsulation method used by the interface.
• encapsulation type—Type of encapsulation to be used.
Step 6
l2protocol tunnel [
protocol
]
Example:
Router(config-if-srv)# l2protocol tunnel cdp
Configures transparent Layer 2 protocol tunneling on the interface
for the specified Layer 2 protocol.
• protocol—(Optional) The protocol to be used. The options are:
cdp, dtp, lacp, lldp, stp,and vtp.
Step 7
bridge-domain
bridge-id
Example:
Router(config-if-srv)# bridge-domain 9
Binds a service instance to a bridge domain instance.
• bridge-id—Identifier for the bridge domain instance.