135
[SwitchC] isis 1
[SwitchC-isis-1] network-entity 00.0005.0000.0000.0003.00
[SwitchC-isis-1] quit
[SwitchC] interface vlan-interface 2
[SwitchC-Vlan-interface2] isis enable 1
[SwitchC-Vlan-interface2] quit
[SwitchC] interface loopback 0
[SwitchC-LoopBack0] isis enable 1
[SwitchC-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. (Details not
shown.)
3.
Configure an LSR ID, and enable MPLS and MPLS TE:
# Configure Switch A.
[SwitchA] mpls lsr-id 1.1.1.1
[SwitchA] mpls te
[SwitchA-te] quit
[SwitchA] interface vlan-interface 1
[SwitchA-Vlan-interface1] mpls enable
[SwitchA-Vlan-interface1] mpls te enable
[SwitchA-Vlan-interface1] quit
# Configure Switch B.
[SwitchB] mpls lsr-id 2.2.2.2
[SwitchB] mpls te
[SwitchB-te] quit
[SwitchB] interface vlan-interface 1
[SwitchB-Vlan-interface1] mpls enable
[SwitchB-Vlan-interface1] mpls te enable
[SwitchB-Vlan-interface1] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] mpls enable
[SwitchB-Vlan-interface2] mpls te enable
[SwitchB-Vlan-interface2] quit
# Configure Switch C.
[SwitchC] mpls lsr-id 3.3.3.3
[SwitchC] mpls te
[SwitchC-te] quit
[SwitchC] interface vlan-interface 2
[SwitchC-Vlan-interface2] mpls enable
[SwitchC-Vlan-interface2] mpls te enable
[SwitchC-Vlan-interface2] quit
4.
Configure an MPLS TE tunnel on Switch A:
# Configure MPLS TE tunnel interface Tunnel 0.
[SwitchA] interface tunnel 0 mode mpls-te
[SwitchA-Tunnel0] ip address 6.1.1.1 255.255.255.0
# Specify the tunnel destination address as the LSR ID of Switch C.
[SwitchA-Tunnel0] destination 3.3.3.3