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Verifying the Status of a VPN Tunnel

To use the VPN Status page to determine the status of a VPN tunnel, perform the following steps:

  1. Log in to the Modem Router.
  2. Open the DG834G v3 management interface and click on VPN Status to get the VPN Status/Log screen (Figure 7-34).

    Figure 7-34

  3. Log-this log shows the details of recent VPN activity, including the building of the VPN tunnel. If there is a problem with the VPN tunnel, refer to the log for information about what might be the cause of the problem.

    • Click Refresh to see the most recent entries.
    • Click Clear Log to delete all log entries.
  4. Click on VPN Status (Figure 7-29) to get the Current VPN Tunnels (SAs) screen.

    Figure 7-35

  5. This table lists the following data for each active VPN Tunnel.

    • SPI-each SA has a unique SPI (Security Parameter Index) for traffic in each direction. For "Manual" key exchange, the SPI is specified in the Policy definition. For "Automatic" key exchange, the SPI is generated by the IKE protocol.
    • Policy Name-the name of the VPN policy associated with this SA.
    • Remote Endpoint-the IP address on the remote VPN Endpoint.
    • Action-the action will be either a "Drop" or a "Connect" button.
    • SLifeTime (Secs)-the remaining Soft Lifetime for this SA in seconds. When the Soft Lifetime becomes zero, the SA (Security Association) will re-negotiated.
    • HLifeTime (Secs)-the remaining Hard Lifetime for this SA in seconds. When the Hard Lifetime becomes zero, the SA (Security Association) will be terminated. (It will be re-established if required.)

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Table of ContentsPreviousNextSearch Knowledge Base 202-10155-01, October 2006