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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter39 Remote Loop-Free Alternate - Fast Reroute
How to Configure Remote Loop-Free Alternate - Fast Reroute
Configuring Remote LFA-FRR on an SVI Interface
To configure Remote LFA-FRR on an SVI interface, complete the following steps:
SUMMARY STEPS
1. enable
2. configure terminal
3. interface type number
4. ip address ip-address
5. ip router isis
6. mpls ip
7. isis network point-to-point
DETAILED STEPS
Step 7
rewrite ingress tag pop 1 symmetric
Example:
Router(config-if-srv)# rewrite ingress
tag pop 1 symmetric
Specifies the encapsulation adjustment to be performed on a frame
ingressing a service instance.
• pop—Removes a tag from a packet.
• 1—Specifies the outermost tag for removal from a packet.
• symmetric—Indicates a reciprocal adjustment to be done in the
egress direction. For example, if the ingress pops a tag, the
egress pushes a tag and if the ingress pushes a tag, the egress
pops a tag.
Step 8
bridge-domain
bridge-domain-id
Example:
Router(config-if-srv)# bridge-domain 7
Enables RFC 1483 ATM bridging or RFC 1490 Frame Relay
bridging to map a bridged VLAN to an ATM permanent virtual
circuit (PVC) or Frame Relay data-link connection identifier
(DLCI).
• bridge-domain-id—Bridge domain identifier.
Command Purpose
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.