
Chapter 10 RMON 233
Reference for the Business Policy Switch 2000 Management Software Operations
Log only event bug
HP OpenView versions 4.0 and 5.0 contain bugs that do not affect the integrity of
the product when it stands alone. However, when combined with Device
Manager, unexpected results occur.
The “Log only” event categorization bug in HP OpenView 4.0 causes traps to be
written to the ASCII trap log file and to be displayed in the event browser.
The default category for SNMP traps, such as “link up” and “link down,” happens
to be “Log only.” The correct procedure for an event (trap) with a “Log only”
categorization is that it should only be written to the ASCII trap log file.
In version 4.0, standard SNMP traps are displayed in the event browser when the
default category of “Log only” is selected. However, SNMP traps are not
displayed in the event browser version 5.0, because this bug is fixed. If you were
not aware that version 4.0 had a problem, then you may have erroneously assumed
that the switch was not sending these traps. In this case, you can view the ASCII
trap log file. Enter:
/var/opt/OV/share/log/trapd.log
When you view the log, you can verify that the switch is sending the traps. In fact,
when both HP OpenView and Device Manager are running on a machine, and that
machine is configured on the switch as a trap receiver, HP OpenView receives the
trap. HP OpenView then passes the trap to Device Manager. If Device Manager
displays a trap, HP OpenView has also received the trap.
To have standard SNMP traps displayed in the event browser for HP OpenView
5.0:
1 From the Options menu, choose Event Configuration.
2 Select enterprise name snmpTraps.
3 Double-click the event (trap) name you want.
4 Change the category from Log Only to any event type.
Your choices are Error Events, Threshold Events (normally used for RMON
alarms), Status Events, Configuration Events, or Application Alert Events.
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