Re: [Zabbix-users] Recovery notifications for SNMP Traps

[Volker F. <vol...@gm...>]

Am 2017-03-08 um 19:23 schrieb Leonardo Arena:
> Hi!
>
> Il giorno mer, 08/03/2017 alle 10.02 -0300, Roberto Carna ha scritto:
>> Dear, my Zabbix servers (I have Zabbix 2.4 and 3.0.) are receiving
>> SNMP traps from some remote hosts. These traps notify alarms and
>> critical events.
>> >From the remote hosts, it's impossible to setup recovery
>> notifications, I can't see this option or something similar.
>>
>> What is the way to get recovery messages for the corresponding traps
>> in Zabbix, in order to "close" the PROBLEM status for the remote hosts
>> that sent alarm traps???

The unfortunate truth is, you can't do that easily. There are some 
devices (Cisco UCS, I think) that send traps containing a certain event 
id and subsequent traps belonging to this root event will also carry 
this id. However, SNMP traps are usually not warranted to arrive at all, 
unduplicated or in a particular order (all due to the nature of UDP), so 
whatever you do is a bit risky.

3.2 actually offers two new concepts that could help you solve your problem:

- https://www.zabbix.com/documentation/3.2/manual/config/event_correlation
- https://www.zabbix.com/documentation/3.2/manual/config/events/manual_close

Volker

>>
>
> When the agent does not send recovery notifications usually it should be
> able to resend the trap at regular intervals until the problem it's
> cleared.

> Even if it doesn't, you can set a NODATA condition based on the trap
> interval in order to clear the PROBLEM status.
>
> BR,
>
> /eo
>
>
>
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