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Configuration Guide - MPLS

S7700 and S9700 V200R013C00

This document describes the configurations of MPLS, including Static LSP, MPLS LDP, MPLS QoS, MPLS TE, MPLS OAM, Seamless MPLS.
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Configuring an RSVP Resource Reservation Style

Configuring an RSVP Resource Reservation Style

Context

If multiple CR-LSPs pass through the same node, the ingress nodes can be configured with an RSVP resource reservation style to allow the CR-LSPs to share reserved resources or use separate reserved resources on the overlapping node.

A reservation style is used by an RSVP node to reserve resources after receiving resource reservation requests from upstream nodes. The device supports the following reservation styles:
  • Fixed filter (FF): creates an exclusive reservation for each sender. A sender does not share its resource reservation with other senders, and each CR-LSP on a link has a separate resource reservation.
  • SE: creates a single reservation for a series of selected upstream senders. CR-LSPs on a link share the same resource reservation.

The SE style is used for tunnels established using the Make-Before-Break mechanism, whereas the FF style is seldom used.

Perform the following configurations on the ingress node of an MPLS TE tunnel.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface tunnel tunnel-number

    The tunnel interface view is displayed.

  3. Run mpls te resv-style { ff | se }

    A resource reservation style is configured.

    The default resource reservation style is SE.

  4. Run mpls te commit

    The configuration is committed.

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Updated: 2019-04-08

Document ID: EDOC1100065745

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