DIR-620S  Wireless N300 Router with 3G/LTE Support and
USB Port
User Manual
Configuring via Web-based Interface
In the  Check with ping  section, specify settings of checking the connection using ICMP ping 
mechanism.
Parameter Description
Check with ping
Interval between checks
A time  period  (in  seconds) between  regular  checks of the  hosts’ 
availability. By default, the value 30 is specified. The value of this 
field should be higher than product of Waiting for response and 
Number of attempts fields values.
Several ping requests are sent to check the hosts. After a successful 
attempt the router keeps using the main connection. After several 
failed attempts the next connection from the list is enabled.
Waiting for response
A time period   (in seconds)   allocated for  a   response  to   one  ping 
request.
Number of attempts
A number of failed attempts to check the health of a connection after 
which the next connection from the list is enabled.
Hosts
External IP addresses that the router will check for availability via 
ICMP ping mechanism.
Click the ADD HOST button, and in the line displayed, enter an IP 
address or leave values suggested by the router.
To remove an IP address from the list, click the Delete icon ( ) in 
the line of the address.
When all needed settings are configured, click the APPLY button.
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