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Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-05
Preface
Conventions
Chapter 22, “Configuring System Message Logging,” describes how to configure system message
logging. It describes the message format and how to change the message display destination device, limit
the type of messages sent, configure the UNIX server syslog daemon, and define the UNIX system
logging facility and timestamp messages.
Chapter 23, “Configuring SNMP,” describes how to configure the Simple Network Management
Protocol (SNMP). It describes how to configure community strings, enable trap managers and traps, set
the agent contact and location information, and how to limit TFTP servers used through SNMP.
Chapter 24, “Configuring Network Security with ACLs,” describes how to configure network security
by using access control lists (ACLs).
Chapter 25, “Configuring QoS,” describes how to configure quality of service (QoS) on your switch.
With this feature, you can provide preferential treatment to certain types traffic.
Chapter 26, “Configuring EtherChannels,” describes how to bundle a set of individual ports into a single
logical link on the interfaces.
Chapter 27, “Troubleshooting,” describes how to identify and resolve software problems related to the
IOS software.
Appendix A, “Supported MIBs,” lists the supported MIBs for this release and how to use FTP to access
the MIB files.
Conventions
This guide uses these conventions to convey instructions and information:
Command descriptions use these conventions:
• Commands and keywords are in boldface text.
• Arguments for which you supply values are in italic.
• Square brackets ([ ]) indicate optional elements.
• Braces ({ }) group required choices, and vertical bars ( | ) separate the alternative elements.
• Braces and vertical bars within square brackets ([{ | }]) indicate a required choice within an optional
element.
Interactive examples use these conventions:
• Terminal sessions and system displays are in screen font.
• Information you enter is in boldface screen font.
• Nonprinting characters, such as passwords or tabs, are in angle brackets (< >).
Notes, cautions, and tips use these conventions and symbols:
Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in
this manual.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.