Cisco CRS Configuration Guide

commit—Saves the configuration changes and remains within the configuration session.
end—Prompts user to take one of these actions:
• Yes— Saves configuration changes and exits the configuration session.
• No—Exits the configuration session without committing the configuration changes.
• Cancel—Remains in the configuration session, without committing the configuration changes.
Allocate Static MPLS Label for a Specific VRF
In this task, a static MPLS label is allocated to an IP prefix for a specific VRF.
When a static MPLS label is allocated to an IP prefix for a specific VRF, it is not possible to define a static
LSP for that static label.
Note
SUMMARY STEPS
1.
configure
2.
mpls static
3.
vrf vrf_name address-family ipv4 unicast
4.
•
local-label label-value allocate per-prefix IPv4_prefix_entry
•
local-label label-value allocate per-vrf forward path path-id pop-and-lookup
5.
Use the commit or end command.
DETAILED STEPS
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2
mpls static
Example:
RP/0/RP0/CPU0:router(config)# mpls static
Enters MPLS-static configuration mode.
Step 3
vrf vrf_name address-family ipv4 unicast
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
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Implementing MPLS Static Labeling
Allocate Static MPLS Label for a Specific VRF

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