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NE40E V800R010C00 Configuration Guide - MPLS 01

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(Optional) Configuring CBTS

(Optional) Configuring CBTS

Service class can be set for packets that MPLS TE tunnels allow to pass through.

Context

When services are iterated to multiple TE tunnels, the mpls te service-class command is run on the TE tunnel interface to set a service class so that a TE tunnel transmits services of a specified service class.

DS-TE tunnels can be prioritized to receive traffic. A priority or multiple priorities can be assigned to a tunnel to which services are iterated. Table 3-9 describes the default mapping between DS-TE tunnel's CTs and flow queues.
Table 3-9  Default mapping between DS-TE tunnel's CTs and flow queues

CT

Flow Queue

CT0

be

CT1

af1

CT2

af2

CT3

af3

CT4

af4

CT5

ef

CT6

cs6

CT7

cs7

If services are iterated to multiple TE tunnels for load balancing, tunnel selection rules are the same as those in CBTS:
  1. If the priority of service traffic matches a configured priority of a tunnel, the matching tunnel carries the service traffic.
  2. If the priority of service traffic does not match a configured priority of a tunnel, the following rules apply:
    1. If one of load-balancing tunnels is assigned the priority of "default", services that fail match any tunnel priorities pass through the default tunnel.
    2. If none of load-balancing tunnels is assigned the priority of "default" and a tunnel has no priority, services that fail match any tunnel priorities pass through the tunnel without a priority specified.
    3. If none of load-balancing tunnels is assigned the priority of "default" and all tunnels have priorities, services that fail match any tunnel priorities pass through the tunnel with the lowest priority.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface tunnel tunnel-number

    The MPLS TE tunnel interface view is displayed.

  3. Run:

    mpls te service-class { service-class & <1-8> | default }

    A service class is set for packets that an MPLS TE tunnel allows to pass through.

    NOTE:
    • This command is used only on the ingress of an MPLS TE tunnel.

    • If the mpls te service-class command is run repeatedly on a tunnel interface, the latest configuration overrides the previous one.

  4. Run:

    commit

    The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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