[LSRB] ip ip-prefix FilterOnTransit permit 4.4.4.4 32
Step 3 Configure basic MPLS functions and MPLS LDP functions globally and on the interfaces.
# Configure LSRA.
[LSRA] mpls lsr-id 1.1.1.1
[LSRA] mpls
[LSRA-mpls] lsp-trigger all
[LSRA-mpls] quit
[LSRA] mpls ldp
[LSRA-mpls-ldp] quit
[LSRA] interface gigabitethernet 1/0/0
[LSRA-GigabitEthernet1/0/0] mpls
[LSRA-GigabitEthernet1/0/0] mpls ldp
[LSRA-GigabitEthernet1/0/0] quit
# Configure LSRB.
[LSRB] mpls lsr-id 2.2.2.2
[LSRB] mpls
[LSRB-mpls] lsp-trigger all
[LSRB-mpls] quit
[LSRB] mpls ldp
[LSRB-mpls-ldp] propagate mapping for ip-prefix FilterOnTransit
[LSRB-mpls-ldp] quit
[LSRB] interface gigabitethernet 1/0/0
[LSRB-GigabitEthernet1/0/0] mpls
[LSRB-GigabitEthernet1/0/0] mpls ldp
[LSRB-GigabitEthernet1/0/0] quit
[LSRB] interface gigabitethernet 2/0/0
[LSRB-GigabitEthernet2/0/0] mpls
[LSRB-GigabitEthernet2/0/0] mpls ldp
[LSRB-GigabitEthernet2/0/0] quit
The configurations of LSRC and LSRD are similar to that of LSRA and LSRB, and the
configurations are not mentioned here.
Step 4 Verify the configuration.
Run the display mpls ldp lsp command to view the establishment of LSPs.
# Display the LDP LSP on LSRA.
[LSRA] display mpls ldp lsp
LDP LSP Information
-------------------------------------------------------------------------------
DestAddress/Mask In/OutLabel UpstreamPeer NextHop OutInterface
-------------------------------------------------------------------------------
1.1.1.1/32 3/NULL 2.2.2.2 127.0.0.1 InLoop0
2.2.2.2/32 NULL/3 - 192.168.1.2 GE1/0/0
2.2.2.2/32 1024/3 2.2.2.2 192.168.1.2 GE1/0/0
4.4.4.4/32 NULL/1026 - 192.168.1.2 GE1/0/0
4.4.4.4/32 1026/1026 2.2.2.2 192.168.1.2 GE1/0/0
192.168.1.0/24 3/NULL 2.2.2.2 192.168.1.1 GE1/0/0
*192.168.1.0/24 Liberal
192.168.2.0/24 NULL/3 - 192.168.1.2 GE1/0/0
192.168.2.0/24 1027/3 2.2.2.2 192.168.1.2 GE1/0/0
-------------------------------------------------------------------------------
TOTAL: 8 Normal LSP(s) Found.
TOTAL: 1 Liberal LSP(s) Found.
TOTAL: 0 Frr LSP(s) Found.
A '*' before an LSP means the LSP is not established
A '*' before a Label means the USCB or DSCB is stale
A '*' before a UpstreamPeer means the session is in GR state
A '*' before a NextHop means the LSP is FRR LSP
# Display the LDP LSP on LSRB.
Huawei AR1200 Series Enterprise Routers
Configuration Guide - MPLS 2 MPLS LDP Configuration
Issue 01 (2011-12-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
101
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