Cisco CRS Configuration Guide

Configuring a Path Computation Client and Element
Perform these tasks to configure Path Comptation Client (PCC) and Path Computation Element (PCE):
•
Configuring a Path Computation Client, on page 281
•
Configuring a Path Computation Element Address, on page 282
•
Configuring PCE Parameters, on page 283
Configuring a Path Computation Client
Perform this task to configure a TE tunnel as a PCC.
Only one TE-enabled IGP instance can be used at a time.Note
SUMMARY STEPS
1.
configure
2.
interface tunnel-te tunnel-id
3.
path-option preference-priority dynamic pce
4.
Use the commit or end command.
DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure
Example:
RP/0/RP0/CPU0:router# configure
Step 1
Enters MPLS-TE interface configuration mode and enables traffic
engineering on a particular interface on the originating node.
interface tunnel-te tunnel-id
Example:
RP/0/RP0/CPU0:router(config)# interface
Step 2
tunnel-te 6
Configures a TE tunnel as a PCC.
path-option preference-priority dynamic pce
Example:
RP/0/RP0/CPU0:router(config-if)#
Step 3
path-option 1 dynamic pce
commit—Saves the configuration changes, and remains within the
configuration session.
Use the commit or end command.
Step 4
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
281
Implementing MPLS Traffic Engineering
Configuring a Path Computation Client and Element

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