Draytek VIGOR3220 SERIES, Руководство пользователя

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Vigor3220 Series User’s Guide 64
Network Mode Force Vigor router to connect Internet with the mode
specified here. If you choose 4G/3G/2G as network mode,
the router will choose a suitable one according to the actual
wireless signal automatically.
APN Name APN means Access Point Name which is provided and
required by some ISPs. Type the name and click Apply.
The maximum length of the name you can set is 47
characters.
MTU It means Max Transmit Unit for packet.
WAN Connection
Detection
Such function allows you to verify whether network
connection is alive or not through ARP Detect or Ping Detect.
Mode – Choose ARP Detect or Ping Detect 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.

Primary/Secondary Ping IP – If you choose Ping Detect as
detection mode, you have to type Primary or Secondary IP
address in this field for pinging.

Ping Gateway IP – If you choose Ping Detect as detection
mode, you also can enable this setting to use current WAN
gateway IP address for pinging. With the IP address(es)
pinging, Vigor router can check if the WAN connection is
on or off.

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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When Offline is selected, the IPv6 connection will be disabled.
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During the procedure of IPv4 PPPoE connection, we can get the IPv6 Link Local Address
between the gateway and Vigor router through IPv6CP. Later, use DHCPv6 or accept RA to
acquire the IPv6 prefix address (such as: 2001:B010:7300:200::/64) offered by the ISP. In
addition, PCs under LAN also can have the public IPv6 address for Internet access by means of
the generated prefix.