Draytek Vigor 3220 SERIES, Руководство пользователя

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Vigor2832 Series User’s Guide 76
detection mode, you have to type Primary or Secondary IP
address in this field for pinging.

TTL (Time to Live) – Set TTL value of PING operation.

Ping Interval – Type the interval for the system to
execute the PING operation.

Ping Retry – Type the number of times that the system is
allowed to execute the PING operation before WAN
disconnection is judged.
After finishing all the settings here, please click OK to activate them.
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2
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4
4
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B
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To use 3G/4G USB Modem (DHCP mode) as the accessing protocol of the internet, please
choose Internet Access from WAN menu. Then, select 3G/4G USB Modem (DHCP mode) for
WAN3/WAN4. The following web page will be shown.
Available settings are explained as follows:
Item Description
Modem Support List It lists all of the modems supported by such router.
3G/4G USB Modem (DHCP
mode) 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.