122
[SwitchD-LoopBack0] isis enable 1
[SwitchD-LoopBack0] isis circuit-level level-2
[SwitchD-LoopBack0] quit
# Execute the display ip routing-table command on each switch to verify that the switches
have learned the routes to one another, including the routes to the loopback interfaces. Take
Switch A as an example:
[SwitchA] display ip routing-table
Destinations : 10 Routes : 10
Destination/Mask Proto Pre Cost NextHop Interface
1.1.1.9/32 Direct 0 0 127.0.0.1 InLoop0
2.2.2.9/32 ISIS 15 10 10.1.1.2 Vlan1
3.3.3.9/32 ISIS 15 20 10.1.1.2 Vlan1
4.4.4.9/32 ISIS 15 30 10.1.1.2 Vlan1
10.1.1.0/24 Direct 0 0 10.1.1.1 Vlan1
10.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
20.1.1.0/24 ISIS 15 20 10.1.1.2 Vlan1
30.1.1.0/24 ISIS 15 30 10.1.1.2 Vlan1
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
3. Configure an LSR ID, enable MPLS, MPLS TE, and RSVP-TE, and configure the DS-TE mode
as IETF
:
# Configure Switch A.
[SwitchA] mpls lsr-id 1.1.1.9
[SwitchA] mpls te
[SwitchA-te] ds-te mode ietf
[SwitchA-te] quit
[SwitchA] rsvp
[SwitchA-rsvp] quit
[SwitchA] interface vlan-interface 1
[SwitchA-Vlan-interface1] mpls enable
[SwitchA-Vlan-interface1] mpls te enable
[SwitchA-Vlan-interface1] rsvp enable
[SwitchA-Vlan-interface1] quit
# Configure Switch B.
[SwitchB] mpls lsr-id 2.2.2.9
[SwitchB] mpls te
[SwitchB-te] ds-te mode ietf
[SwitchB-te] quit
[SwitchB] rsvp
[SwitchB-rsvp] quit
[SwitchB] interface vlan-interface 1
[SwitchB-Vlan-interface1] mpls enable
[SwitchB-Vlan-interface1] mpls te enable
[SwitchB-Vlan-interface1] rsvp enable
[SwitchB-Vlan-interface1] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] mpls enable
[SwitchB-Vlan-interface2] mpls te enable
[SwitchB-Vlan-interface2] rsvp enable
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