4000 Router Series MPLS Configuration Guide

Device

Interface IP address Device Interface IP address

Eth1/1 4.1.1.2/24

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. (Details

not shown.)

3. Configure an LSR ID, and enable MPLS, MPLS TE, RSVP-TE, and CSPF on each router, and enable

BFD for RSVP-TE on Router B and Router C:

# Configure Router A.

<RouterA> system-view

[RouterA] mpls lsr-id 1.1.1.1

[RouterA] mpls te

[RouterA-te] quit

[RouterA] rsvp

[RouterA-rsvp] quit

[RouterA] interface ethernet 1/1

[RouterA-Ethernet1/1] mpls enable

[RouterA-Ethernet1/1] mpls te enable

[RouterA-Ethernet1/1] rsvp enable

[RouterA-Ethernet1/1] quit

# Configure Router B.

<RouterB> system-view

[RouterB] mpls lsr-id 2.2.2.2

[RouterB] mpls te

[RouterB-te] quit

[RouterB] rsvp

[RouterB-rsvp] quit

[RouterB] interface ethernet 1/1

[RouterB-Ethernet1/1] mpls enable

[RouterB-Ethernet1/1] mpls te enable

[RouterB-Ethernet1/1] rsvp enable

[RouterB-Ethernet1/1] quit

[RouterB] interface ethernet 1/2

[RouterB-Ethernet1/2] mpls enable

[RouterB-Ethernet1/2] mpls te enable

[RouterB-Ethernet1/2] rsvp enable

[RouterB-Ethernet1/2] rsvp bfd enable

[RouterB-Ethernet1/2] quit

[RouterB] interface pos 5/0

[RouterB-POS5/0] mpls enable

[RouterB-POS5/0] mpls te enable

[RouterB-POS5/0] rsvp enable

[RouterB-POS5/0] quit

# Perform the same configurations on Router C as on Router B. Perform the same configurations on

Router D and Router E as on Router A. (Details not shown.)