Contents
xxi
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
Disabling and Enabling Message Logging 26-3
Setting the Message Display Destination Device 26-4
Synchronizing Log Messages 26-5
Enabling and Disabling Timestamps on Log Messages 26-6
Enabling and Disabling Sequence Numbers in Log Messages 26-7
Defining the Message Severity Level 26-8
Limiting Syslog Messages Sent to the History Table and to SNMP 26-9
Configuring UNIX Syslog Servers 26-10
Logging Messages to a UNIX Syslog Daemon 26-10
Configuring the UNIX System Logging Facility 26-11
Displaying the Logging Configuration 26-12
CHAPTER
27 Configuring SNMP 27-1
Understanding SNMP 27-1
SNMP Versions 27-2
SNMP Manager Functions 27-3
SNMP Agent Functions 27-3
SNMP Community Strings 27-4
Using SNMP to Access MIB Variables 27-4
SNMP Notifications 27-5
Configuring SNMP 27-5
Default SNMP Configuration 27-5
SNMP Configuration Guidelines 27-6
Disabling the SNMP Agent 27-7
Configuring Community Strings 27-7
Configuring SNMP Groups and Users 27-9
Configuring SNMP Notifications 27-11
Setting the Agent Contact and Location Information 27-14
Limiting TFTP Servers Used Through SNMP 27-15
SNMP Examples 27-15
Displaying SNMP Status 27-16
CHAPTER
28 Configuring Network Security with ACLs 28-1
Understanding ACLs 28-2
Handling Fragmented and Unfragmented Traffic 28-3
Understanding Access Control Parameters 28-4
Guidelines for Applying ACLs to Physical Interfaces 28-5
Configuring ACLs 28-6
Unsupported Features 28-7