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CLI-based Configuration Guide - VPN

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document describes VPN features on the device and provides configuration procedures and configuration examples.
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Backup Hub Only Forwards Data After the Master Hub Fails

Backup Hub Only Forwards Data After the Master Hub Fails

Fault Description

In dual-Hub DSVPN scenario, the backup Hub only forwards data after the master Hub fails. No tunnel can be established between the Spokes.


  1. Check whether the public addresses configured on the master and backup Hubs are on the same network segment.

    Run the display this command on the mGRE interfaces of the master and backup Hubs to check whether the IP addresses of the Hubs are on the same network segment.

    • If so, change the IP address of one Hub to an IP address on a different network segment.
    • If not, go to step 2.

  2. Check whether routes to the master Hub are available on the Spokes.

    Run the display ip routing-table command on the Spokes to check whether routes to the Hub exist.

    If the IP routing table contains routes to the master Hub, deletes the routes. For details, see Huawei AR Series V200R010 Configuration Guide - IP Routing.

Updated: 2019-08-07

Document ID: EDOC1100033725

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