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What Tests Should I Use For Failover?

This is really up to you. NG Firewall provides four test methods - in each case, Untangle sends out data packets and decides if the WAN is up or down depending on your specified Testing, Timeout and Failure Threshold intervals:

  • Ping Test: NG Firewall will ping the specified IP address.
  • ARP Test: NG Firewall will ARP for its gateway.
  • DNS Test: NG Firewall will make a request to the upstream DNS server.
  • HTTP Test: NG Firewall will make a connection to the specified domain name.
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