Cisco 7604 Configuration Guide - Page 575
Sending Syslog Messages to the Log Buffer, Viewing Syslog Messages in the Current Session
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Chapter 25 Monitoring the Firewall Services Module Configuring and Managing Syslog Messages Viewing Syslog Messages in the Current Session To enable logging in the current session, perform the following steps: Step 1 Step 2 After you log in to the FWSM, enable logging for the current session by entering the following command: hostname# terminal monitor This command enables logging only for the current session. If you log out, and then log in again, you need to reenter this command. To disable logging for the current session, enter the following command: hostname(config)# terminal no monitor Sending Syslog Messages to the Log Buffer If configured as an output destination, the log buffer serves as a temporary storage location for syslog messages. New messages are appended to the end of the listing. When the buffer is full, (that is, when the buffer wraps), old messages are overwritten as new messages are generated, unless you configure the FWSM to save the full buffer to another location. This section includes the following topics: • Enabling the Log Buffer as an Output Destination, page 25-9 • Viewing the Log Buffer, page 25-10 • Automatically Saving the Full Log Buffer to Flash Memory, page 25-10 • Automatically Saving the Full Log Buffer to an FTP Server, page 25-11 • Saving the Current Contents of the Log Buffer to Internal Flash Memory, page 25-11 • Clearing the Contents of the Log Buffer, page 25-11 Enabling the Log Buffer as an Output Destination Note To start logging to the buffer as defined in this procedure, be sure to enable logging for all output locations. See the "Enabling Logging to All Configured Output Destinations" section on page 25-2. To disable logging, see the "Disabling Logging to All Configured Output Destinations" section on page 25-3. To enable the log buffer as a log output destination, enter the following command: hostname(config)# logging buffered {severity_level | message_list} Where the severity_level argument specifies the severity levels of messages to be sent to the buffer. You can specify the severity level number (0 through 7) or name. For severity level names, see the "Severity Levels" section on page 25-20. For example, if you set the severity level to 3, then the FWSM sends syslog messages for severity levels 3, 2, 1, and 0. The message_list argument specifies a customized message list that identifies the syslog messages to send to the buffer. For information about creating custom message lists, see the "Filtering Syslog Messages with Custom Message Lists" section on page 25-14. OL-20748-01 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM 25-9
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