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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Maintaining the GRE Tunnel

Maintaining the GRE Tunnel

This section describes monitor the GRE running status, and reset the Keepalive packet statistics on tunnel interfaces.

Monitoring the GRE Running Status

Context

In routine maintenance, you can run the following commands in any view to check the GRE running status, whether GRE tunnel interfaces are Up, whether error packets exist, and whether packets are properly forwarded to the destination address through the tunnel interface.

Procedure

  • Run the display interface tunnel command to view the running status of the tunnel interface.
  • Run the display ip routing-table command to view the IPv4 routing table to check whether the outbound interface for a route to the specified destination address is a tunnel interface.
  • Run the display ipv6 routing-table command to view the IPv6 routing table to check whether the outbound interface for a route to the specified destination address is a tunnel interface.
  • Run the display tunnel { tunnel-id | all | statistics } command to check information about existing tunnels of the system.

Resetting the Keepalive Packet Statistics on a Tunnel Interface

Context

When you need to calculate and analyze statistics on a tunnel interface, reset the statistics to avoid interference of the original statistics.

After you reset the Keepalive packet statistics on a specified tunnel interface, statistics on the number of Keepalive probes and Keepalive reply packets are cleared.

The cleared Keepalive packet statistics cannot be restored. Exercise caution when you run the command.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface tunnel interface-number

    The tunnel interface view is displayed.

  3. Run:

    reset keepalive packets count

    The Keepalive packet statistics on the tunnel interface is reset.

  4. Run:

    commit

    The configuration is committed.

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Updated: 2019-08-09

Document ID: EDOC1000041694

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