Draytek Vigor3220 Series User Manual page 81

WAN Connection
Detection
After finished the above settings, click OK to save the settings.
Vigor3220 Series User's Guide
Such function allows you to verify whether network
connection is alive or not through Ping Detect.
Mode – Choose Always On or Ping Detect for the system to
execute for WAN detection.

Ping IP/Hostname – If you choose Ping Detect as
detection mode, you have to type IP address in this field
for pinging.

TTL (Time to Live) –If you choose Ping Detect as
detection mode, you have to type TTL value.
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