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[RouterC-GigabitEthernet2/0/1] isis circuit-level level-2
[RouterC-GigabitEthernet2/0/1] quit
[RouterC] interface pos 2/2/0
[RouterC-POS2/2/0] isis enable 1
[RouterC-POS2/2/0] isis circuit-level level-2
[RouterC-POS2/2/0] quit
[RouterC] interface loopback 0
[RouterC-LoopBack0] isis enable 1
[RouterC-LoopBack0] isis circuit-level level-2
[RouterC-LoopBack0] quit
# Configure Router D.
<RouterD> system-view
[RouterD] isis 1
[RouterD-isis-1] network-entity 00.0005.0000.0000.0004.00
[RouterD-isis-1] quit
[RouterD] interface gigabitethernet 2/0/1
[RouterD-GigabitEthernet2/0/1] isis enable 1
[RouterD-GigabitEthernet2/0/1] isis circuit-level level-2
[RouterD-GigabitEthernet2/0/1] quit
[RouterD] interface loopback 0
[RouterD-LoopBack0] isis enable 1
[RouterD-LoopBack0] isis circuit-level level-2
[RouterD-LoopBack0] quit
# Execute the display ip routing-table command on each router to verify that the routers have
learned the routes to one another, including the routes to the loopback interfaces. (Details not
shown.)
3.
Configure an LSR ID, and enable MPLS, MPLS TE, and RSVP-TE:
# Configure Router A.
[RouterA] mpls lsr-id 1.1.1.9
[RouterA] mpls te
[RouterA-te] quit
[RouterA] rsvp
[RouterA-rsvp] quit
[RouterA] interface gigabitethernet 2/0/1
[RouterA-GigabitEthernet2/0/1] mpls enable
[RouterA-GigabitEthernet2/0/1] mpls te enable
[RouterA-GigabitEthernet2/0/1] rsvp enable
[RouterA-GigabitEthernet2/0/1] quit
# Configure Router B.
[RouterB] mpls lsr-id 2.2.2.9
[RouterB] mpls te
[RouterB-te] quit
[RouterB] rsvp
[RouterB-rsvp] quit
[RouterB] interface gigabitethernet 2/0/1
[RouterB-GigabitEthernet2/0/1] mpls enable
[RouterB-GigabitEthernet2/0/1] mpls te enable
[RouterB-GigabitEthernet2/0/1] rsvp enable
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