Cisco CRS Configuration Guide

DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure
Example:
RP/0/RP0/CPU0:router# configure
Step 1
Configures an MPLS-TE tunnel interface.
interface tunnel-te tunnel-id
Example:
RP/0/RP0/CPU0:router# interface tunnel-te 1
Step 2
Enables fast reroute.fast-reroute
Example:
RP/0/RP0/CPU0:router(config-if)# fast-reroute
Step 3
Exits the current configuration mode.exit
Example:
RP/0/RP0/CPU0:router(config-if)# exit
Step 4
Enters MPLS-TE configuration mode.mpls traffic-eng
Example:
RP/0/RP0/CPU0:router(config)# mpls traffic-eng
Step 5
RP/0/RP0/CPU0:router(config-mpls-te)#
Enables traffic engineering on a particular interface on the
originating node.
interface type interface-path-id
Example:
RP/0/RP0/CPU0:router(config-mpls-te)# interface
Step 6
pos0/6/0/0
RP/0/RP0/CPU0:router(config-mpls-te-if)#
Sets the backup path to the backup tunnel.
backup-path tunnel-te tunnel-number
Example:
RP/0/RP0/CPU0:router(config-mpls-te-if)#
Step 7
backup-path tunnel-te 2
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
222
Implementing MPLS Traffic Engineering
Protecting MPLS Tunnels with Fast Reroute

Cisco CRS Specifications

General

Operating System	Cisco IOS XR
Product Type	Core Router
Form Factor	Modular Chassis
Dimensions	Varies by chassis type
Weight	Varies by chassis type
Architecture	Distributed
Switch Fabric	Multi-stage
Interface Support	Ethernet, SONET/SDH, OTN
Interfaces/Ports	Varies by line card
Port Density	Varies by line card
Routing Protocol	BGP, IS-IS, OSPF, MPLS
Management	CLI, SNMP
Power Supply	Redundant, hot-swappable
Cooling	Redundant, Hot-swappable Fan Trays
Supported Protocols	IPv4, IPv6, MPLS
Management Interfaces	Ethernet, console
Security Features	ACLs