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Setting Keepalives

You set Keepalives to determine if a tunnel connection is available. Because of an issue with Microsoft Windows Vista firewall, for release 10.01, passive Keepalives for all three Keepalives profiles are sent every 15 seconds from the NVC to prevent the tunnel from being brought down by the Windows operating system.

Set the Keepalive by performing the following procedure:

  1. From a profile you are editing or when creating a new profile, choose the Advanced tab. The Keepalive information appears.
  2. From the Keepalive option section, select one of the following Keepalive options to apply to the profile:
      • No Keepalives - disables the Keepalives.
      • Active Keepalives (Dead peer detection) - determines if a tunnel connection is available.
      • Passive Keepalives (No Dead peer detection) - maintains state information in the local internet access device.
  3. Click Save to save the configuration.

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