Configuring Ldp Extension For Inter-Area Lsp; Checking The Configuration - Huawei AR1200 Series Configuration Manual - Mpls

Huawei AR1200 Series Enterprise Routers
Configuration Guide - MPLS
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2.6.2 Configuring LDP Extension for Inter-Area LSP

To configure LDP extension for inter-area LSP, configure the ingress or transit node.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
mpls ldp
The MPLS LDP view is displayed.
Step 3 Run:
longest-match
LDP is configured to search for routes based on the longest match rule to establish LSPs.
----End

2.6.3 Checking the Configuration

After LDP extension for inter-area LSP is configured, you can view information about the
establishment of Inter-Area LSPs.
Prerequisite
The configurations of LDP extension for inter-area LSP are complete.
Procedure
l
----End
Example
Configure LDP to search for routes based on the longest match rule to establish LSPs. 1.3.0.1/32
and 1.3.0.2/32 are routes to another IGP area. You can see that an inter-area LSP is established.
The configuration result is as follows:
[Huawei] display mpls lsp
-------------------------------------------------------------------------------
Issue 01 (2011-12-30)
Data
IS-IS area ID of each node and level of each node and interface
NOTE
Configuring this command during LDP GR is not allowed.
Run the display mpls lsp command to check the setup of inter-area LSPs after LDP is
configured to search for routes based on the longest match rule to establish LSPs.
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