4000 Router Series MPLS Configuration Guide

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Figure 55 Network diagram

Device Interface IP address

Device

Interface

IP address

CE 1 Loop0 2.2.2.9/32 CE 2 Loop0 5.5.5.9/32

POS5/0 10.1.1.2/24

POS5/0

21.1.1.2/24

POS5/1 11.1.1.1/24

POS5/1

20.1.1.1/24

CE 3 Eth1/1 100.1.1.1/24 CE 4 Eth1/1 120.1.1.1/24

CE 5 Eth1/1 110.1.1.1/24

CE 6

Eth1/1

130.1.1.1/24

PE 1 Loop0 3.3.3.9/32

PE 2

Loop0

4.4.4.9/32

POS5/0 11.1.1.2/24 POS5/0 30.1.1.2/24

POS5/1 30.1.1.1/24

POS5/1

21.1.1.1/24

PE 3 Loop0 1.1.1.9/32

PE 4

Loop0

6.6.6.9/32

Eth1/1 100.1.1.2/24 Eth1/1 120.1.1.2/24

Eth1/2 110.1.1.2/24

Eth1/2

130.1.1.2/24

POS5/1 10.1.1.1/24

POS5/1

20.1.1.2/24

Configuration procedure

1. Configure MPLS L3VPN on the service provider backbone—enable IS-IS, enable LDP, and

establish an MP-IBGP peer relationship between PE 1 and PE 2:

# Configure PE 1.

<PE1> system-view

[PE1] interface loopback 0

[PE1-LoopBack0] ip address 3.3.3.9 32

[PE1-LoopBack0] quit

[PE1] mpls lsr-id 3.3.3.9

[PE1] mpls ldp

[PE1-ldp] quit

[PE1] isis 1

[PE1-isis-1] network-entity 10.0000.0000.0000.0004.00

[PE1-isis-1] quit

[PE1] interface loopback 0

[PE1-LoopBack0] isis enable 1

Loo

Loop0