TRAPS SNMP - What's new/evolving plug-ins
TRAPS SNMP, time for event-based alerts
Some devices propose in their SNMP MIB to send TRAPS.
TRAPS are events sent by the equipment, which can result in status changes.
ServiceNav now offers TRAPS management through :
- An initial configuration of the ServiceNav Box (to be done once for each box)
- The loading of the MIBs on the latter
- A dedicated service model: TRAP-Handle
The principle of use is as follows:
- The MIB is loaded on the ServiceNav Box
- A service embedded on it will listen to the device (port 162) and capture the TRAPS, then transform them into a format readable by ServiceNav (log file)
- The TRAP-Handle service parses this file and detects state changes
- Within the service, it is necessary to set the expected expression for each state, which makes the control generic. When a new TRAP is read that respects this expression, the state change will be done in ServiceNav.
- You can also specify a timeout, in which case the control will go to OK if no TRAP has been received for that length of time. This parameter is disabled by default.
A webinar will soon be dedicated to this subject, to present case studies and to detail the implementation and operation.
In the meantime, you can read Kilian's article on the subject: SNMP Trap Management in ServiceNav
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