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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring a DS-TE Mode

Configuring a DS-TE Mode

You can configure an MPLS TE tunnel to work a DS-TE mode, either IETF mode or non-IETF mode.


Perform the following steps on each LSR in a DS-TE domain:

If bandwidth constraints are configured for a tunnel, the IETF and non-IETF modes cannot be switched to each other.


  1. Run:


    The system view is displayed.

  2. Run:


    The MPLS view is displayed.

  3. Run:

    mpls te ds-te mode { ietf | non-ietf }

    A DS-TE mode is specified.

  4. Run:


    The configuration is committed.

Follow-up Procedure

The IETF mode and non-IETF mode can be switched between each other on the NE40E. Table 3-10 describes switching between DS-TE modes. The arrow symbol (—>) indicates "switched to."

Table 3-10  Switching between DS-TE modes




Changes in bandwidth constraint models




Bandwidth change

BC0 bandwidth values remain.

BC0 bandwidth values remain.

TE-class mapping table

If the TE-class mapping table is not configured, the default TE-Class mapping table is used. Otherwise, the configured one is used.
For information about the default TE-class mapping table, see Table 3-11.

No TE-class mapping table is used.

  • A TE-class mapping table is not deleted once it is configured.
  • If no TE-Class mapping table is configured, the default TE-Class mapping table is deleted.
Updated: 2018-07-12

Document ID: EDOC1100028530

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