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24-10
Catalyst 2950 Desktop Switch Software Configuration Guide
78-14982-01
Chapter 24 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 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 either traps, informs, or both. Use the
snmp-server host command to specify whether to send SNMP notifications as traps or informs.
Table 24-4 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 | v2c | v3
[auth {md5 | sha} auth-password]}
[encrypted] [access access-list]
Configure a new user to 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.
• (Optional) 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:
–
auth is an authentication level setting session, which can
be either the HMAC-MD5-96 or the HMAC-SHA-96
authentication level, and requires a password string (not to
exceed 64 characters).
–
encrypted specifies that the password appears in
encrypted format.
• (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
Table 24-4 Switch Notification Types
Notification Type
Keyword Description
c2900 Generates a trap for Catalyst 2950-specific notifications.
cluster Generates a trap when the cluster configuration changes.
config Generates a trap for SNMP configuration changes.
entity Generates a trap for SNMP entity changes.