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C
OMMAND
L
INE
I
NTERFACE
4-156
Default Setting
• Host Address: None
• Notification Type: Traps
• SNMP Version: 1
• UDP Port: 162
Command Mode
Global Configuration
Command Usage
• If you do not enter an
snmp-server host
command, no notifications
are sent. In order to configure the switch to send SNMP notifications,
you must enter at least one
snmp-server host
command. In order to
enable multiple hosts, you must issue a separate
snmp-server host
command for each host.
• The
snmp-server host
command is used in conjunction with the
snmp-server enable traps
command. Use the
snmp-server enable
traps
command to enable the sending of traps or informs and to
specify which SNMP notifications are sent globally. For a host to
receive notifications, at least one
snmp-server enable traps
command
and the
snmp-server host
command for that host must be enabled.
• Some notification types cannot be controlled with the
snmp-server
enable traps
command. For example, some notification types are
always enabled.
•Notifications are issued by the switch as trap messages by default. The
recipient of a trap message does not send a response to the switch.
Traps are therefore not as reliable as inform messages, which include a
request for acknowledgement of receipt. Informs can be used to ensure
that critical information is received by the host. However, note that
informs consume more system resources because they must be kept in
memory until a response is received. Informs also add to network
traffic. You should consider these effects when deciding whether to
issue notifications as traps or informs.
To send an inform to a SNMPv2c host, complete these steps:
1. Enable the SNMP agent (page 4-151).
2. Allow the switch to send SNMP traps; i.e., notifications (page 4-158).
Summary of Contents for 8708L2
Page 2: ......
Page 24: ...TABLES xxiv ...
Page 28: ...FIGURES xxviii ...
Page 290: ...CONFIGURING THE SWITCH 3 238 ...
Page 584: ...COMMAND LINE INTERFACE 4 294 ...
Page 592: ...TROUBLESHOOTING B 4 ...
Page 605: ......