R0106-HP MSR Router Series MPLS Configuration Guide(V7)

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Table 3 Interface and IP address assignment

Device Interface IP address

Device

Interface

IP address

Router A Loop0 1.1.1.9/32 Router C Loop0 3.3.3.9/32

GE2/1/1 10.1.1.1/24 GE2/1/1 30.1.1.1/24

Router B Loop0 2.2.2.9/32 POS2/2/0 20.1.1.2/24

GE2/1/1 10.1.1.2/24 Router D Loop0 4.4.4.9/32

POS2/2/0 20.1.1.1/24 GE2/1/1 30.1.1.2/24

Configuration procedure

1. Configure IP addresses and masks for interfaces. (Details not shown.)

2. Configure IS-IS to advertise interface addresses, including the loopback interface address:

# Configure Router A.

<RouterA> system-view

[RouterA] isis 1

[RouterA-isis-1] network-entity 00.0005.0000.0000.0001.00

[RouterA-isis-1] quit

[RouterA] interface gigabitethernet 2/1/1

[RouterA-GigabitEthernet2/1/1] isis enable 1

[RouterA-GigabitEthernet2/1/1] isis circuit-level level-2

[RouterA-GigabitEthernet2/1/1] quit

[RouterA] interface loopback 0

[RouterA-LoopBack0] isis enable 1

[RouterA-LoopBack0] isis circuit-level level-2

[RouterA-LoopBack0] quit

# Configure Router B.

<RouterB> system-view

[RouterB] isis 1

[RouterB-isis-1] network-entity 00.0005.0000.0000.0002.00

[RouterB-isis-1] quit

[RouterB] interface gigabitethernet 2/1/1

[RouterB-GigabitEthernet2/1/1] isis enable 1

[RouterB-GigabitEthernet2/1/1] isis circuit-level level-2

[RouterB-GigabitEthernet2/1/1] quit

[RouterB] interface pos 2/2/0

[RouterB-POS2/2/0] isis enable 1

[RouterB-POS2/2/0] isis circuit-level level-2

[RouterB-POS2/2/0] quit

[RouterB] interface loopback 0

[RouterB-LoopBack0] isis enable 1

[RouterB-LoopBack0] isis circuit-level level-2

[RouterB-LoopBack0] quit

# Configure Router C.

<RouterC> system-view

[RouterC] isis 1

[RouterC-isis-1] network-entity 00.0005.0000.0000.0003.00