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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009

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Configuring a Mesh Group on an NBMA Network

Configuring a Mesh Group on an NBMA Network

You can configure a mesh group on an NBMA network to prevent repeated LSP flooding from causing bandwidth waste.

Pre-configuration Tasks

Before configuring a mesh group, complete the following task:


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run isis mesh-group { mesh-group-number | mesh-blocked }

    The interface is added to a mesh group.

    When mesh-blocked is configured on an interface, the interface is blocked and cannot flood LSPs outside. All the interfaces added to a mesh group implement global LSDB synchronization through CSNP and PSNP mechanisms.

Verifying the Configuration

Run the following commands to check IS-IS process statistics.

  • display isis statistics [ updated-lsp [ history ] ] [ level-1 | level-2 | level-1-2 ] [ process-id | vpn-instance vpn-instance-name ]
  • display isis process-id statistics [ [ [ updated-lsp [ history ] ] [ level-1 | level-2 | level-1-2 ] ] | [ packet ] ]
Updated: 2019-12-27

Document ID: EDOC1000174069

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