Configuring Trap Managers And Enabling Traps - Cisco Catalyst 2950 Software Configuration Manual

Chapter 22 Configuring SNMP

Configuring Trap Managers and Enabling Traps

A trap manager is a management station that receives and processes traps. Traps are system alerts that
the switch generates when certain events occur. By default, no trap manager is defined, and no traps are
issued.
Switches running this IOS release can have an unlimited number of trap managers. Community strings
can be any length.
Table 22-3
traps and configure a trap manager to receive them.
Table 22-3 Switch Notification Types
Notification Type
c2900
cluster
config
entity
HSRP
MAC notification
RTR
SNMP
syslog
TTY
UDP-port
vlan-membership
VTP
Though visible in the command-line help string, the hsrp keyword takes affect only when the enhanced
Note
software image (EI) is installed.
Some notification types cannot be controlled with the snmp-server enable global configuration
command, for example, tty and udp-port. These notification types are always enabled. You can use the
snmp-server host global configuration command to a specific host to receive the notification types
listed in
78-11380-04
describes the supported switch traps (notification types). You can enable any or all of these
Description
Generates a trap for Catalyst 2950-specific notifications.
Generates a trap when the cluster configuration changes.
Generates a trap for SNMP configuration changes.
Generates a trap for SNMP entity changes.
Generates a trap for Hot Standby Router Protocol (HSRP) changes.
Generates a trap for MAC address notifications.
Generates a trap for the SNMP Response Time Reporter (RTR).
Generates a trap for SNMP-type notifications.
Generates a trap for SNMP syslog notifications.
Sends Cisco enterprise-specific notifications when a Transmission Control
Protocol (TCP) connection closes.
Sends notification of the User Datagram Protocol (UDP) port number of the
host.
Generates a trap for SNMP VLAN membership changes.
Generates a trap for VLAN Trunking Protocol (VTP) changes.
Table 22-3.
Catalyst 2950 Desktop Switch Software Configuration Guide
Configuring SNMP
22-7