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Configuration Guide - IP Routing 01

NE05E and NE08E V300R003C10SPC500

This is NE05E and NE08E V300R003C10SPC500 Configuration Guide - IP Routing
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Configuring IPv4 Multi-Topology

Configuring IPv4 Multi-Topology

Multi-topology on an IPv4 network enables devices to allocate network resources more effectively.

Usage Scenario

On traditional IP networks, only one unicast forwarding table is available on the forwarding plane because only one unicast topology exists, which forces services transmitted from one router to the same destination address to share the same next hop, and various end-to-end services, such as voice and data services, to share the same physical links. As a result, some links may be heavily congested while others remain relatively idle. Deploying MT (different logical topologies) for different services on a physical network can solve the problem.

Pre-configuration Tasks

Before configuring IPv4 Multi-Topology, complete the following task:

  • Configure parameters of the link layer protocol and IPv4 addresses for interfaces and ensure that the link layer protocol on the interfaces is Up.


  1. Run system-view

    The system view is displayed.

  2. Run ip topology topology-name

    A topology is created.

  3. Run interface interface-type interface-name

    The view of the specified interface is displayed.

  4. Run ip topology topology-name enable

    The topology is bound to the interface.

  5. Run commit

    The configuration is committed.

Checking the Configurations

Run the display ip topology command to check the previous configuration.

# Run the display ip topology [ topology-name [ verbose ] ] command to view information about topologies.

<HUAWEI> display ip topology tp1 verbose
 Topology Name          : tp1
 Topology ID            : 0x0100
Updated: 2019-01-14

Document ID: EDOC1100058916

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