Configuring an E2E SR-MPLS TE Tunnel Interface

Procedure

1. Run system-view

   The system view is displayed.

2. Run interface tunnel tunnel-number

   An inter-AS E2E tunnel interface is created, and the tunnel interface view is displayed.

3. Run either of the following commands to assign an IP address to the tunnel interface:

   • To configure an IP address for the tunnel interface, run the ip address ip-address { mask | mask-length } [ sub ] command.

     The secondary IP address of the tunnel interface can be configured only after the primary IP address is configured.

   • To configure the tunnel interface to borrow the IP address of another interface, run the ip address unnumbered interface interface-type interface-number command.

   

   The SR-MPLS TE tunnel is unidirectional and does not need a peer IP address. A separate IP address for the tunnel interface is not recommended. Use the LSR ID of the ingress as the tunnel interface's IP address.

4. Run tunnel-protocol mpls te

   MPLS TE is configured as a tunneling protocol.

5. Run destination ip-address

   A tunnel destination address, which is usually the LSR ID of the egress, is configured.

   Various types of tunnels require specific destination addresses. If a tunnel protocol is changed from another protocol to MPLS TE, a configured destination address is deleted automatically and a new destination address needs to be configured.

6. Run mpls te tunnel-id tunnel-id

   A tunnel ID is set.

7. Run mpls te signal-protocol segment-routing

   Segment Routing is configured as the signaling protocol of the TE tunnel.

8. Run mpls te path explicit-path path-name [ secondary ]

   An explicit path is configured for the tunnel.

   The path-name value must be the same as that specified in the explicit-path path-name command.

9. (Optional) Run match dscp { ipv4 | ipv6 } { default | { dscp-value [ to dscp-value ] } &<1-32> }

   DSCP values are configured for IPv4/IPv6 packets to enter the SR-MPLS TE tunnel.

   The DSCP configuration and mpls te service-class command configuration of an SR-MPLS TE tunnel are mutually exclusive.

10. Run commit

    The configuration is committed.