Verifying the configuration – H3C Technologies H3C S6800 Series Switches User Manual

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[SwitchD-Vlan-interface3] quit

Configure IS-IS TE:
# Configure Switch A.

[SwitchA] isis 1

[SwitchA-isis-1] cost-style wide

[SwitchA-isis-1] mpls te enable level-2

[SwitchA-isis-1] quit

# Configure Switch B.

[SwitchB] isis 1

[SwitchB-isis-1] cost-style wide

[SwitchB-isis-1] mpls te enable level-2

[SwitchB-isis-1] quit

# Configure Switch C.

[SwitchC] isis 1

[SwitchC-isis-1] cost-style wide

[SwitchC-isis-1] mpls te enable level-2

[SwitchC-isis-1] quit

# Configure Switch D.

[SwitchD] isis 1

[SwitchD-isis-1] cost-style wide

[SwitchD-isis-1] mpls te enable level-2

[SwitchD-isis-1] quit

Configure a co-routed bidirectional MPLS TE tunnel:
# Configure Switch A as the active end of the co-routed bidirectional tunnel.

[SwitchA] interface tunnel 1 mode mpls-te

[SwitchA-Tunnel1] ip address 7.1.1.1 255.255.255.0

[SwitchA-Tunnel1] destination 4.4.4.9

[SwitchA-Tunnel1] mpls te signaling rsvp-te

[SwitchA-Tunnel1] mpls te resv-style ff

[SwitchA-Tunnel1] mpls te bidirectional co-routed active

[SwitchA-Tunnel1] quit

# Configure Switch D as the passive end of the co-routed bidirectional tunnel.

[SwitchD] interface tunnel 4 mode mpls-te

[SwitchD-Tunnel4] ip address 8.1.1.1 255.255.255.0

[SwitchD-Tunnel4] destination 1.1.1.9

[SwitchD-Tunnel4] mpls te signaling rsvp-te

[SwitchD-Tunnel4] mpls te resv-style ff

[SwitchD-Tunnel4] mpls te bidirectional co-routed passive reverse-lsp lsr-id 1.1.1.9

tunnel-id 1

[SwitchD-Tunnel4] quit

Verifying the configuration

# Execute the display interface tunnel command on Switch A. The output shows that the tunnel interface
is up.

[SwitchA] display interface tunnel

Tunnel1 current state: UP

Line protocol current state: UP

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