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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring an Automatic RSVP-TE Tunnel

Configuring an Automatic RSVP-TE Tunnel

Automatic RSVP-TE tunnels are generated using the PCE Initiated LSP protocol. Such tunnels do not need to be manually configured.

Usage Scenario

In an SDN solution, a controller can run the PCE Initiated LSP protocol to generate RSVP-TE tunnels, without manual tunnel configuration. Dynamic RSVP-TE signaling adjusts paths of TE tunnels dynamically based on network changes. To implement reliability functions, such as TE FRR and CR-LSP backup, using RSVP-Te to establish MPLS TE tunnels is recommended.

Pre-configuration Tasks

Before configuring an automatic RSVP-TE tunnel, complete the following tasks:

  • Configure IS-IS to implement network layer connectivity for LSRs.

  • Set an LSR ID for each LSR.

  • Enable MPLS globally and on interfaces on all LSRs.

Configuration Procedures

Updated: 2018-07-12

Document ID: EDOC1100028530

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