General Network Management
This section covers general network-management issues such as the following:
Configuring SNMP on devices
Capturing SNMP and Telnet output through scripting
Using syslog
Using RMON
How Do I Configure Logging to a syslog Server?
Aside from traps, Cisco devices provide useful device state information by using the UNIX syslog facility. Whereas SNMP traps are well-defined and tend to reflect stateful changes, logging messages from Cisco devices are free-form text with well-defined names that reflect a wide range of conditions. The types of messages can range from debugging information such as when you enable debugging, to so-called “emergency” level messages, which reflect a catastrophic event such as a failing interface.
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