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31-11
Catalyst 3560 Switch Software Configuration Guide
OL-8553-06
Chapter 31 Configuring SNMP
Configuring SNMP
Configuring SNMP Notifications
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
sent. Switches running this Cisco IOS release can have an unlimited number of trap managers.
Note Many commands use the word traps in the command syntax. Unless there is an option in the command
to select either traps or informs, the keyword traps refers to traps, informs, or both. Use the snmp-server
host global configuration command to specify whether to send SNMP notifications as traps or informs.
Table 31-5 describes the supported switch traps (notification types). You can enable any or all of these
traps and configure a trap manager to receive them.
Step 4
snmp-server user username groupname
{remote host [udp-port port]} {v1 [access
access-list] | v2c [access access-list] | v3
[encrypted] [access access-list] [auth {md5 |
sha} auth-password]}
Add a new user for an SNMP group.
• The username is the name of the user on the host that connects
to the agent.
• The groupname is the name of the group to which the user is
associated.
• Enter remote to specify a remote SNMP entity to which the
user belongs and the hostname or IP address of that entity with
the optional UDP port number. The default is 162.
• Enter the SNMP version number (v1, v2c, or v3). If you enter
v3, you have these additional options:
–
encrypted specifies that the password appears in
encrypted format. This keyword is available only when
the v3 keyword is specified.
–
auth is an authentication level setting session that can be
either the HMAC-MD5-96 (md5) or the HMAC-SHA-96
(sha) authentication level and requires a password string
(not to exceed 64 characters).
• (Optional) Enter access access-list with a string (not to exceed
64 characters) that is the name of the access list.
Step 5
end Return to privileged EXEC mode.
Step 6
show running-config Verify your entries.
Step 7
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Ta ble 31-5 Switch Notification Types
Notification Type
Keyword
Description
bgp Generates Border Gateway Protocol (BGP) state change traps. This option is only available when
the enhanced multilayer image is installed.
bridge Generates STP bridge MIB traps.
cluster Generates a trap when the cluster configuration changes.