Cisco CRS Configuration Guide

SUMMARY STEPS
1.
configure
2.
router ospf process-name
3.
(Optional) vrf vrf-name
4.
Use one of the following commands:
•
mpls ldp sync
•
area area-id mpls ldp sync
•
area area-id interface name mpls ldp sync
5.
(Optional) Use one of the following commands:
•
mpls ldp sync
•
area area-id mpls ldp sync
•
area area-id interface name mpls ldp sync
6.
Use the commit or end command.
7.
(Optional) show mpls ldp vrf vrf-name ipv4 igp sync
8.
(Optional) show mpls ldp vrf all ipv4 igp sync
9.
(Optional) show mpls ldp { ipv4 }igp sync
DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure
Example:
RP/0/RP0/CPU0:router# configure
Step 1
Identifies the OSPF routing process and enters OSPF
configuration mode.
router ospf process-name
Example:
RP/0/RP0/CPU0:router(config)# router ospf 100
Step 2
(Optional)
Specifies the non-default VRF.
vrf vrf-name
Example:
RP/0/RP0/CPU0:router(config-ospf)# vrf red
Step 3
Enables LDP IGP synchronization on an interface.Use one of the following commands:
Step 4
•
mpls ldp sync
•
area area-id mpls ldp sync
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
51
Implementing MPLS Label Distribution Protocol
Configuring LDP IGP Synchronization: OSPF

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