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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 39 Remote Loop-Free Alternate - Fast Reroute
How to Configure Remote Loop-Free Alternate - Fast Reroute
Configuring Remote LFA-FRR on a GigabitEthernet Interface
To configure Remote LFA-FRR on a GigabitEthernet interface, complete the following steps:
SUMMARY STEPS
1. enable
2. configure terminal
3. interface type number
4. no negotiation auto
5. service instance id ethernet
6. encapsulation dot1q vlan-id
7. rewrite ingress tag pop 1 symmetric
8. bridge-domain bridge-domain-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 vlan 40
Specifies an interface type and number, and enters interface
configuration mode.
Step 4
no negotiation auto
Example:
Router(config-if)# no negotiation auto
Disables automatic negotiation.
Step 5
service instance
id
ethernet
Example:
Router(config-if)# service instance 7
ethernet
Configures an Ethernet service instance on an interface.
• id—Integer that uniquely identifies a service instance on an
interface.
Step 6
encapsulation dot1q
vlan-id
Example:
Router(config-if-srv)# encapsulation
dot1q 7
Enables IEEE 802.1Q encapsulation of traffic on a specified
interface in a VLAN.
• vlan-id—Virtual LAN identifier.