NetComm NTC-220 User Manual page 162

Configuring Periodic Ping settings
The Periodic Ping settings configure the router to transmit controlled ping packets to 2 specified IP addresses. If
the router does not receive responses to the pings, the router will reboot.
To configure the ping watchdog:
1 In the First destination address field, enter a website address or IP address to which the router will send the
first round of ping requests.
2 In the Second destination address field, enter a website address or IP address to which the router will send
the second round of ping requests.
3 In the Periodic Ping timer field, enter an integer between 300 and 65535 for the number of seconds the
router should wait between ping attempts. Setting this to 0 disables the ping watchdog function.
4 In the Retry timer field, enter an integer between 60 and 65535 for the number of seconds the router should
wait between retry ping attempts, i.e. pings to the second destination address. Setting this to 0 disables the
ping watchdog function
5 In the Fail count field, enter an integer between 1 and 65535 for the number of times an accelerated ping
should fail before the router reboots. Setting this to 0 disables the ping watchdog function.
Disabling the Ping watchdog function
To disable the Ping watchdog function, set Fail Count to 0.
Important – The traffic generated by the periodic ping feature is usually counted as chargeable data usage. Please keep this in mind when
selecting how often to ping.
Configuring a Periodic reboot
The router can be configured to automatically reboot after a period of time specified in minutes. While this is not
necessary, it does ensure that in the case of remote installations, the router will reboot if some anomaly occurs.
1 In the Force reboot every field, enter the time in minutes between forced reboots. The default value is 0
which disables the Periodic reboot function. The minimum period between reboots is 5 minutes while the
maximum value is 65535 minutes.
2 If you have configured a forced reboot time, you can use the Randomise reboot time drop-down list to
select a random reboot timer. Randomising the reboot time is useful for preventing a large number of
devices from rebooting simultaneously and flooding the network with connection attempts. When
configured, the router waits for the configured Force reboot every time and then randomly selects a time
that is less than or equal to the Randomise reboot time setting. After that randomly selected time has
elapsed, the router reboots.
3 Click the Save button to save the settings.
Important – The randomise reboot time is not persistent across reboots; each time the router is due to reboot, it randomly selects a time
less than or equal to the Randomise reboot time
NTC-220 – User Guide
UG01028 v1.2 March 2019
162 of 193
© NetComm Wireless 2019