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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring an RSVP CR-LSP and Specifying Bandwidth Values

Configuring an RSVP CR-LSP and Specifying Bandwidth Values

When configuring an RSVP CR-LSP and specifying its bandwidth values, ensure that the sum of CT bandwidth values does not exceed the sum of BC bandwidth values.

Procedure

  • Configure IGP TE.

    For detailed configurations, see Configuring IGP TE (IS-IS).

  • Configure CSPF.

    For configuration details, see Configuration CSPF.

  • Configure bandwidth values for an MPLS TE tunnel.

    Perform the following steps on the ingress of a tunnel:

    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      interface tunnel interface-number

      The MPLS TE tunnel interface view is displayed.

    3. Run

      mpls te bandwidth { ct0 bw-value | ct1 bw-value | ct2 bw-value | ct3 bw-value }

      Single-CT information is specified.

    4. Run:

      commit

      The configuration is committed.

    For the same node, the sum of CTi bandwidth values must not exceed the BCi bandwidth values (0 <= i <= 7). CTi can use bandwidth resources only of BCi.

    NOTE:
    If the bandwidth required by the MPLS TE tunnel is higher than 28,630 kbit/s, the available bandwidth assigned to the tunnel may not be precise, but the tunnel can be established successfully.

  • (Optional) Configure an explicit path.

    To limit the path over which an MPLS TE tunnel is established, perform the following steps on the ingress of the tunnel:

    1. Create an explicit path. For detailed configuration, see (Optional) Configuring an MPLS TE Explicit Path.
    2. Run:

      quit

      Return to the system view.

    3. Run:

      interface tunnel interface-number

      The MPLS TE tunnel interface view is displayed.

    4. Run:

      mpls te path explicit-path path-name

      An explicit path is configured for the tunnel.

    5. Run:

      commit

      The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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