Processing when the number of logs in the log buffer of the USG2000&5000 series reaches the upper limit

The log buffer is certain fixed space reserved in the flash memory for saving a small amount of log information. After logs are output to the log buffer, you can use the specified command to view the logs on the console or directly view them on the terminal.
The log buffer capacity is limited and saves only the latest logs. Therefore, logs must be output to a log host and saved in files for storage and further analysis.
The current buffer size refers to the number of logs that can be stored in the log buffer. When the number of logs entering the log buffer exceeds the current log buffer size, new logs overwrite the earliest logs.

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