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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring the Path for ICMP Reply Messages

Configuring the Path for ICMP Reply Messages

The path along which ICMP reply messages travel must be specified on both the ingress and egress.


Perform the following steps on the ingress and egress:


  1. Run:


    The system view is displayed.

  2. Run:


    The MPLS view is displayed.

  3. Perform either of the following operations:

    • To enable a node to transmit ICMP reply messages over IP routes, run:
      ttl expiration pop
    • To enable a node to transmit ICMP reply messages along an LSP, run:
      undo ttl expiration pop

  4. Run:


    The configuration is committed.

Updated: 2018-07-12

Document ID: EDOC1100028530

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