DIR-620S  Wireless N300 Router with 3G/LTE Support and
USB Port
User Manual
Configuring via Web-based Interface
Figure 88. The page for creating a new Mobile Internet connection. The Health Check section.
Parameter Description
Health Check
Enable
Move the switch to the right to check the connection health using 
the ICMP ping mechanism.
The maximum number 
of attempts
A  number  of requests to check the health of the  connection.  By 
default, the value 10 is specified.
Several   ping   requests   are   sent   to   check the   hosts.  After   several 
failed attempts the connection status is changed  until a successful 
attempt is made.
Timeout
A  time   period   (in   seconds)   allocated   for   a   respond   to   one   ping 
request. By default, the value 3 is specified.
Connection restart
Move   the   switch   to   the   right   to   reestablish   connection   if   the 
maximum number of ping requests fails.
Addresses
IP addresses from the external network that the router will check for 
availability   via   ICMP   ping   mechanism.   By   default,   the   router 
checks the IP address 8.8.8.8.
Click the ADD button, and in the line displayed, enter an IP address 
or  leave   value  suggested   by   the   router.   You   can   add   several 
addresses.
To remove an IP address from the list, click the Delete icon ( ) in 
the line of the address.
Page 104 of 238