Draytek Vigor 160 Series User Manual page 38

Available settings are explained as follows:
Item
MPoA
DSL Modem Settings
WAN Connection
Detection
28
Description
Click Enable for activating this function. If you click Disable,
this function will be closed and all the settings that you
adjusted in this page will be invalid.
Set up the DSL parameters required by your ISP. These are
vital for building DSL connection to your ISP.
Multi-PVC channel - The selections displayed here are
determined by the page of Internet Access – Multi PVCs.
Encapsulating Type - Drop down the list to choose the type
provided by ISP.
VPI - Type in the value provided by ISP.
VCI - Type in the value provided by ISP.
Modulation – Choose a suitable method for such connection.
Such function allows you to verify whether network
connection is alive or not through ARP Detect or Ping Detect.
Mode – Choose ARP Detect, Ping Detect or Always On for
the system to execute for WAN detection. If you choose Ping
Detect as the detection mode, you have to type required
settings for the following items.

Ping IP – If you choose Ping Detect as detection mode,
you also can enable this setting to use current WAN
gateway IP address for pinging.
Vigor160 Series User's Guide