Prerequisites For Implementing Cisco Mpls Ldp - Cisco CRS Configuration Manual

Prerequisites for Implementing Cisco MPLS LDP

Release
Release 3.4.0
Release 3.4.1
Release 3.5.0
Release 3.6.0
Release 3.7.0
Release 3.8.0
Release 3.9.0
Release 4.0.1
Release 5.1
Release 5.1.1
Release 5.3.0
•
•
•
•
•
Prerequisites for Implementing Cisco MPLS LDP
These prerequisites are required to implement MPLS LDP:
• You must be in a user group associated with a task group that includes the proper task IDs. The command
• You must be running Cisco IOS XR software.
• You must install a composite mini-image and the MPLS package.
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
6
Prerequisites for Implementing Cisco MPLS LDP, page 6
Information About Implementing Cisco MPLS LDP, page 7
How to Implement MPLS LDP, page 25
Configuration Examples for Implementing MPLS LDP, page 79
Additional References, page 99
reference guides include the task IDs required for each command. If you suspect user group assignment
is preventing you from using a command, contact your AAA administrator for assistance.
Implementing MPLS Label Distribution Protocol
Modification
No modification.
No modification.
Support was added for LDP Auto-configuration.
Support was added for LDP nonstop routing (NSR).
No modification.
The feature LDP IGP Synchronization Process Restart Delay
was introduced.
No modification.
Support was added for these features:
• IP LDP Fast Reroute Loop Free Alternate
• Downstream on Demand
Support was added for MPLS over IRB.
The feature MPLS LDP Carrier Supporting Carrier for Multiple
VRFs was introduced.
IPv6 Support in MPLS LDP was introduced.