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SNMP-based monitoring
The Simple Network Management Protocol (SNMP)
facilitates the exchange of management information
between network devices.
An agent resides in the FibreBridge which takes
information from the FibreBridge and translates it into
a form compatible with SNMP. If certain conditions
arise, the agent sends asynchronous notifications
(traps) to a client.
Note
Consult your network administrator for further
assistance with SNMP.
1 If you are not already in the ExpressNAV
interface, type the IP address of your
FibreBridge in a standard browser as found in
Using ExpressNAV
on page 25, click Enter
Here,
type in your user name and password,
and click
OK.
2 On the left hand menu, click
Remote Mgt.
3The
Remote Management page appears.
Click on the
enabled radio button next to the
SNMP heading.
4 Click on the appropriate radio button for
SNMP
Traps, SNMP Extended Traps
and Auto Log
Sense
.
•
SNMP Traps and SNMP Extended Traps
are notifications for SNMP functions such as
device transition and device error.
•
Auto Log Sense controls whether current
data from log pages in a SCSI target device
is available automatically.
5 Enter the IP addresses of the those who should
receive messages (SNMP trap recipients) in
the text boxes on the left.
6 Select the type of message you wish each
recipient to receive from the drop down box
next to each address.
7 Click
Submit.
Exhibit 3.0-4 Events triggering SNMP notification for extended or standard trap generation, severity level and
explanation
Event
Severity
Level
Extended
Traps disabled
Extended
Traps enabled
Explanation
Aborted
Command
Warning No Yes A SCSI command discovers a command a
command has been aborted.
Device
Transition
Info No Yes A target device has failed, become offline or come
online.
Fibre Channel
Loop Down
Info Yes Yes A loop down event on a Fibre Channel port has
occurred.
Fibre Channel
Loop Up
Info Yes Yes A loop up event on a Fibre Channel port has
occurred.
Hardware Error Critical No Yes An unrecoverable target device failure.
Illegal Request Info No Yes A SCSI command discovers an illegal SCSI
request has been attempted.
Medium Error Warning No Yes A SCSI command discovers a command
terminated with an error condition that may have
been caused by a flaw in the target device’s
physical medium or its recorded data.
Temperature Info Yes Yes The unit’s internal temperature has increased or
decreased to within standard operating ranges.
Temperature Critical Yes Yes Unit’s internal temperature has increased to at or
above the maximum operating temperature or
decreased to at or below the minimum operating
temperature.