Built-in alert-based flash probes can be further divided into the following categories:

Config Change Flash Probe

Config change flash probe is a built-in flash probe designed to detect the change of device configuration files and generate alerts accordingly. By default, the polling frequency of the configuration file is set as one day, which can be customized to meet different users' specific needs.

Note: Configuration change flash probe is only available to devices with CLI access, and the flash probe needs to be manually enabled.

CLI Unreachable Flash Probe

This flash probe detects the CLI reachability to the current devices.

SNMP Unreachable Flash Probe

It will generate an alert if device cannot be accessed via SNMP.