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Note: If you do not intend to support access to SNMP version 1 and 2c
clients, we recommend that you delete both of the default
community strings. If there are no community strings, then SNMP
management access from SNMP v1 and v2c clients is disabled.

Trap Receivers

You can also specify SNMP stations that are to receive traps from the
switch. To configure a trap receiver, use the “snmp-server host” command.
From the Privileged Exec level global configuration mode prompt, type:
“snmp-server host host-address community string
[version {1|2c|3 {auth|noauth|priv}}]
where “host-address” is the IP address for the trap receiver and
“community-string” specifies access rights for a version 1/2c host, or is
the user name of a version 3 host, “version” indicates the SNMP client
version, and “auth|noauth|priv” means that authentication, no
authentication, or authentication and privacy is used for v3 clients. Then
press <Enter>. For a more detailed description of these parameters,
“snmp-server host” on page 4-151 The following example creates a trap
host for each type of SNMP client.

Configuring Access for SNMP Version 3 Clients

To configure management access for SNMPv3 clients, you need to first
create a view that defines the portions of MIB that the client can read or
write, assign the view to a group, and then assign the user to a group. The
following example creates one view called “mib-2” that includes the entire
Console(config)#snmp-server community admin rw
Console(config)#snmp-server community private
Console(config)#
Console(config)#snmp-server host 10.1.19.23 batman
Console(config)#snmp-server host 10.1.19.98 robin version 2c
Console(config)#snmp-server host 10.1.19.34 barbie version 3 auth