To defense against a user's attack on other users' passwords, configuring the SNMPv3 blacklist function to improve security.
The system view is displayed.
The blacklist function for an IP address is enabled.
The blacklist function for an SNMPv3 user is enabled.
The maximum number of consecutive authentication failures allowed for an SNMPv3 user is configured.
The locking period for an SNMPv3 user is configured after the user's authentication failures exceed a specified number of consecutive times.
After the period of time elapses, the user is automatically unlocked and can continue to be authenticated.
The configuration is committed.