Digisol DG-FS4528P, Руководство по управлению

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C
HAPTER
5 | Simple Network Management Protocol
Specifying Trap Managers and Trap Types
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S
PECIFYING
T
RAP
M
ANAGERS AND
T
RAP
T
YPES
Use the SNMP > Configuration page specify the host devices to be sent
traps and the types of traps to send. Traps indicating status changes are
issued by the switch to the specified trap managers. You must specify trap
managers so that key events are reported by this switch to your
management station (using network management software). You can
specify up to five management stations that will receive authentication
failure messages and other trap messages from the switch.
CLI R
EFERENCES
"snmp-server host" on page 530
"snmp-server enable traps" on page 528
C
OMMAND
U
SAGE
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 139 ).
2. Create a view with the required notification messages ( page 149 ).
3. Configure the group (matching the community string specified on
the SNMP > Configuration page) to include the required notify view
( page 146 ).
4. Enable trap informs as described in the following pages.
To send an inform to a SNMPv3 host, complete these steps:
1.
Enable the SNMP agent ( page 139 ).
2. Create a local SNMPv3 user to use in the message exchange
process (
page 142 ). If the user specified in the trap configuration
page does not exist, an SNMPv3 group will be automatically created
using the name of the specified local user, and default settings used
for the read, write, and notify view.
3.
Create a view with the required notification messages ( page 149 ).
4.
Create a group that includes the required notify view ( page 146 ).
5. Enable trap informs as described in the following pages.