Digi IX20 User Manual page 1047

System administration
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. The watchdog is enabled by default. To disable:
(config)> system watchdog enable false
(config)>
4. Set the amount of time between running system tests:
(config)> system watchdog interval value
(config)>
where value is any number of days, hours, minutes, or seconds, and takes the format number
{d|h|m|s}.
For example, to set interval to ten minutes, enter either 10m or 600s:
(config)> system watchdog interval 600s
(config)>
The maximum is two days (2d), and the default is five minutes (5m).
5. Set the number of test failures before the system reboots:
(config)> system watchdog num_failures int
(config)>
6. Configure the tests that the watchdog will perform:
a. The memory check is enabled by default. To disable:
(config)> system watchdog tests memory enable false
(config)>
b. Set the percentage of RAM usage that will trigger a warning:
(config)> system watchdog tests memory max_memory_warning int
(config)>
The minimum value is 60 percent, the maximum is 100 percent. The default is 90 percent.
c. Set the percentage of RAM usage that will trigger a reboot of the device:
(config)> system watchdog tests memory max_memory_critical int
(config)>
The minimum value is 60 percent, the maximum is 100 percent. The default is 95 percent.
d. To log memory usage with every watchdog memory usage test, enable log_memory:
(config)> system watchdog tests memory log_memory true
(config)>
IX20 User Guide
Configure the system watchdog
1047