TP-Link T2600G-18TSTL-SG3216 T2600G-18TSUN V1 Configuration Guide - Page 927
Switchconfig#logging file flash frequency periodic, Switchconfig#logging buffer level
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Configuring Maintenance System Log Configurations Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 logging buffer level level Specify the severity level of the log information that should be saved to the buffer. level: Enter the severity level ranging from 0 to 7. The smaller value has the higher priority. Only the log with the same or smaller severity level value can be saved. The default level is 6, indicating that the log information of levels 0 to 6 will be saved in the log buffer. logging file flash Store the log messages in the flash sector of the switch. The information in the flash will not be lost after the switch is restarted. You can view the logs with show logging flash command. logging file flash frequency { periodic periodic | immediate } Specify the frequency to synchronize the system log file in the log buffer to the flash. periodic: Specify the frequency ranging from 1 to 48 hours. By default, the synchronization process takes place every 24 hours. immediate: The system log file in the buffer will be synchronized to the flash immediately. This option means frequent operations on the flash and is not recommended. logging file flash level level Specify the severity level of the log information that should be saved to the flash. level: Enter the severity level ranging from 0 to 7. The smaller value has the higher priority. Only the log with the same or smaller severity level value can be saved to the flash. The default level is 3, indicating that the log message of levels 0 to 3 will be saved in the log flash. show logging local-config View the configuration information of the local log. end Return to privileged EXEC mode. copy running-config startup-config Save the settings in the configuration file. The following example shows how to configure the local log on the switch. Save logs of levels 0 to 5 to the log buffer, and synchronize logs of levels 0 to 2 to the flash every 10 hours: Switch#configure Switch(config)#logging buffer Switch(config)#logging buffer level 5 Switch(config)#logging file flash Switch(config)#logging file flash frequency periodic 10 Switch(config)#logging file flash level 2 Switch(config)#show logging local-config Configuration Guide 897
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