Cisco CRS

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