Configuring Local Label Allocation Control - Cisco CRS Configuration Manual

Configuring Local Label Allocation Control

Configuring Local Label Allocation Control
Perform this task to configure label allocation control.
By default, local label allocation control is disabled and all non-BGP prefixes are assigned local labels.
Note
SUMMARY STEPS
1. configure
2. mpls ldp
3. [vrf vrf-name] address-family { ipv4}
4. label local allocate for prefix-acl
5. Use the commit or end command.
DETAILED STEPS
Command or Action
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Step 2 mpls ldp
Example:
RP/0/RP0/CPU0:router(config)# mpls ldp
Step 3
[vrf vrf-name] address-family { ipv4}
Example:
RP/0/RP0/CPU0:router(config-ldp)#
address-family ipv4
Step 4 label local allocate for prefix-acl
Example:
RP/0/RP0/CPU0:router(config-ldp-af)# label
local allocate for pfx_acl_1
Step 5 Use the commit or end command.
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
48
Implementing MPLS Label Distribution Protocol
Purpose
Enters global configuration mode.
Enters the MPLS LDP configuration mode.
(Optional) Specifies a non-default VRF.
Enables the LDP IPv4 address family.
Configures label allocation control for prefixes as specified by
prefix-acl.
commit—Saves the configuration changes and remains within the
configuration session.
end—Prompts user to take one of these actions: