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2. To remove an existing string, simply type “no snmp-server community
string,” where “string” is the community access string to remove. Press
<Enter>.

Trap Receivers

You can also specify SNMP stations that are to receive traps from the
switch. To configure a trap receiver, complete the following steps:
1. From the Privileged Exec level global configuration mode prompt,
type “snmp-server host host-address community-string,” where
“host-address” is the IP address for the trap receiver and
“community-string” is the string associated with that host. Pre ss
<Enter>.
2. In order to configure the switch to send SNMP notification s, you must
enter at least one snmp-server enable traps command. Type
“snmp-server enable traps type,” where “type” is either authentication
or link-up-down. Press <Enter>.
Saving Configuration Settings
Configuration commands only modify the running configuration file and
are not saved when the switch is rebooted. To save all your configuration
changes in nonvolatile storage, you must copy the running configuration
file to the start-up configuration file using the “copy” command.
To save the current configuration settings, enter the following command:
1. From the Privileged Exec mode prompt , type “copy running-config
startup-config” and press <Enter>.
Console(config)#snmp-server community admin rw
Console(config)#snmp-server community private
Console(config)#
Console(config)#snmp-server enable traps link-up-down
Console(config)#