The portal quiet-period command enables the quiet timer for Portal authentication.
The undo portal quiet-period command disables the quiet timer of Portal authentication.
By default, the quiet timer for Portal authentication is enabled.
After the portal quiet-period command is used to enable the quiet timer for Portal authentication. If the number of Portal authentication failures exceeds the value specified by the portal quiet-times command, the device keeps the Portal authentication user in quiet state for a period of time. During the quiet period, the device discards Portal authentication requests from the user. This prevents the impact of frequent authentications on the system.
The quiet period for Portal authentication can be set using the portal timer quiet-period command. After the quiet period is reached, the device re-authenticates the user.