Receiving SNMP Traps
WhatsUp Gold has an internal SNMP trap handler,
which when enabled, listens for and accepts SNMP traps that are
addressed to it. WhatsUp Gold records the trap in the device's
You can also set up WhatsUp Gold to fire an
action when a trap is received for a device. For more information,
see Using the Trap Definition Import
To configure WhatsUp Gold to receive
- On the devices that will be monitored, set
the SNMP agent to send traps to WhatsUp Gold. Trap manager
addresses must be set on each physical device. This cannot be done
from WhatsUp Gold.
- Set up the MIB entries for traps by placing
the MIB text file in the
- Enable the SNMP Trap Handler.
- From the WhatsUp Gold console, select
- Select .
- Select .
- Click the button.
- Select the appropriate options.
- . Select this option if you want WhatsUp
Gold to listen for SNMP traps. The standard SNMP trap Port is 162,
but you can change this port to a non-standard number. The changes
are immediate, and you do not have to restart WhatsUp Gold for the
changes to be in effect.
- . If this is not selected, ONLY
traps which are specifically added to devices as events are logged
to the activity log and are able to trigger alerts. You may prefer
to select this option so that ALL traps which occur are able to be
detected and logged to the activity log. Note that regardless of
this filter setting, traps are logged to the SNMP Trap Log. By
default there is no strict filtering of traps; this way you can see
all traps from all sources, then make decisions about creating
Actions based on specific traps you have seen. Later you may make
the decision to filter out all traps except those you expect to
- . Select this option to forward traps to IP addresses
added to the
- . Select this option to forward all
traps, including unsolicited traps.
- . Click to add
an IP address and port to forward traps to. You can forward traps
to multiple IP addresses.
- Click to save changes.
the SNMP agent is installed on the WhatsUp Gold machine, this will
also start an SNMP trap service. This can result in a port
conflict, because both the SNMP trap service and the WhatsUp Gold
SNMP trap handler listen on port 162. To fix this, you need to turn
off the SNMP trap service.