Draytek Vigor C410 Series User Manual page 43

Interval
Timeout
WAN DNS
Mode
MTU
Mode
Cancel
Apply
After finishing this web page configuration, please click Apply to save the settings.
II-1-2-2 WAN AutoHunt
Enter the interval for the system to execute the PING operation.
Maximum length of time, in seconds, of idling allowed (no traffic)
before the connection is dropped. Vigor system will send a packet per
"interval time" to the specified IP address. If the system does not
receive any reply from that IP within specified (e.g., 10) seconds, Vigor
system will reboot LTE module until successfully set LTE connection.
IPv4 - WAN Connection Detection
Select Auto or Manual.
If Manual is selected, specify the primary and secondary DNS servers.
IPv4 Primary DNS –IP address of primary DNS server.

IPv4 Secondary DNS - IP address of secondary DNS server.

Configures how the WAN connection is monitored.
Always On - The router assumes the WAN connection is always active.
Ping Detect - The router sends an ICMP (Internet Control Message
Protocol) echo request every second to the host, whose address is
specified in the Ping IP field, to verify the WAN connection. If the
remote host does not respond within 30 seconds, the WAN
connection is deemed to have failed.
If you choose Ping Detect as the detection mode, you have to enter
required settings for the following items.
Ping Gateway IP - Switch the toggle to enable/ use the 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, the maximum allowed number of hops to the

ping destination. Valid values range from 1 to 255.
Ping Interval (Sec, 10-3600) – Enter the interval for the system

to execute the PING operation.
Ping Retry - Enter the number of times that the system is

allowed to execute the PING operation before WAN
disconnection is judged.
MTU
Maximum Transmission Unit, the size of the largest packet, in bytes,
that can be transmitted to the WAN. The maximum value is 1500. For
PPPoE connections, there is always an 8-byte overhead, so the
maximum valid MTU value for PPPoE is 1492.
WAN MAC Address
Default – Use the default MAC address for the WAN port.
Customized - Select this option if your ISP authenticates by MAC
addresses.
MAC - Specify a MAC address for the WAN Ethernet port.

Discard current settings and return to previous page.
Save the current settings and exit the page.
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