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NE40E V800R010C00 Configuration Guide - MPLS 01

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(Optional) Configuring Packet Fragmentation on an MPLS P Node

(Optional) Configuring Packet Fragmentation on an MPLS P Node

This section describes how to configure packet fragmentation on an MPLS P node.

Background Information

A network with increasing scale and complexity allows for devices of various specifications. Without packet fragmentation enabled, an MPLS P node transparently transmits packets sent by the ingress PE to the egress PE. If the MTU configured on the ingress PE is greater than the MRU configured on the egress PE, the egress PE discards packets with sizes larger than the MRU.


Before configuring packet fragmentation on an MPLS P node, configure MPLS functions.


Packet fragmentation on the MPLS P node takes effect on MPLS packets that only have less than or equal to five labels and inner IPv4 labels.


  1. Run:


    The system view is displayed.

  2. Run:

    slot slot-id

    The slot view is displayed.

  3. Run:

    mpls fragment enable

    MPLS fragmentation is enabled on a P node.

  4. Run:


    The configuration is committed.

Updated: 2018-07-12

Document ID: EDOC1100028530

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