Specifications

Contents
xix
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-07
Setting the Message Display Destination Device 24-4
Synchronizing Log Messages 24-6
Enabling and Disabling Timestamps on Log Messages 24-7
Enabling and Disabling Sequence Numbers in Log Messages 24-8
Defining the Message Severity Level 24-8
Limiting Syslog Messages Sent to the History Table and to SNMP 24-10
Configuring UNIX Syslog Servers 24-10
Logging Messages to a UNIX Syslog Daemon 24-11
Configuring the UNIX System Logging Facility 24-11
Displaying the Logging Configuration 24-12
CHAPTER 25 Configuring SNMP 25-1
Understanding SNMP 25-1
SNMP Versions 25-2
SNMP Manager Functions 25-3
SNMP Agent Functions 25-4
SNMP Community Strings 25-4
Using SNMP to Access MIB Variables 25-4
SNMP Notifications 25-5
Configuring SNMP 25-5
Default SNMP Configuration 25-6
SNMP Configuration Guidelines 25-6
Disabling the SNMP Agent 25-7
Configuring Community Strings 25-7
Configuring SNMP Groups and Users 25-9
Configuring SNMP Notifications 25-11
Setting the Agent Contact and Location Information 25-14
Limiting TFTP Servers Used Through SNMP 25-14
SNMP Examples 25-15
Displaying SNMP Status 25-16
CHAPTER 26 Configuring Network Security with ACLs 26-1
Understanding ACLs 26-2
Handling Fragmented and Unfragmented Traffic 26-3
Understanding Access Control Parameters 26-4
Guidelines for Applying ACLs to Physical Interfaces 26-6
Configuring ACLs 26-6
Unsupported Features 26-7
Creating Standard and Extended IP ACLs 26-7