Draytek Vigor2136 Series User Manual page 33

Interface
IPv4 Connection Type
Mode
5GHz for WAN4.
IPv4
It is available when Both or IPv4 is selected as IP Version.
DHCP – The router receives IP configuration information from a DHCP
server.
WAN DNS - 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.
Static IP – Set the access mode as Static IP.
IP Address – WAN IP address assigned by the ISP.

Subnet Mask – WAN subnet mask.

Gateway IP – IP address of the WAN Gateway.

IPv4 Primary DNS – IP address of primary DNS server.

IPv4 Secondary DNS - IP address of secondary DNS server.

WAN Connection Detection
Configures how the WAN connection is monitored.
Always On - The router assumes the WAN connection is always active.
ARP Detect - The router broadcasts an ARP request every 5 seconds.
If no response is received within 30 seconds, the WAN connection is
deemed to have failed.
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
23