# Logstash: parsing snmp traps ( continue...)

**URL:** <https://discuss.elastic.co/t/logstash-parsing-snmp-traps-continue/109204>\
**Category:** Logstash\
**Created:** [November 27, 2017, 11:15am UTC](https://discuss.elastic.co/t/logstash-parsing-snmp-traps-continue/109204 "2017-11-27T11:15:26Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Robert.I](https://avatars.discourse-cdn.com/v4/letter/r/a8b319/32.png) [@Robert.I](https://discuss.elastic.co/u/Robert.I)\
**Post date:** [November 27, 2017, 11:15am UTC](https://discuss.elastic.co/t/logstash-parsing-snmp-traps-continue/109204/1 "2017-11-27T11:15:26Z")

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Hello all,

I would like to share my solution with my problem parsing traps.

I my problem is described in this topic: [https://discuss.elastic.co/t/logstash-parsing-snmp-traps/103208](https://discuss.elastic.co/t/logstash-parsing-snmp-traps/103208).

The solution was :

- List item

Change the filter:

filter {  
mutate {  
replace =\> { "message" =\> %{SNMPv2-SMI::enterprises.2.6.212.10.1.5} : "EVENT\_NAME:%{SNMPv2-SMI::enterprises.2.6.212.10.1.7} MESSAGE:%{SNMPv2-SMI::enterprises.2.6.212.10.1.8} NODE:%{SNMPv2-SMI::enterprises.2.6.212.10.1.9} ENTITY\_NAME:%{SNMPv2-SMI::enterprises.2.6.212.10.1.3} " }  
}  
}

- Change the output file:

if [SNMPv2-SMI::enterprises.2.6.212.10.1.5] =="ERROR" {  
file {  
path =\> "/mydirectory/logstash/snmp.log"  
codec =\> line { format=\> "ERROR: %{message}"}  
}

Thanks a lot for your help.

Best regards,

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<div class="post-metadata">

**Author:** ![guyboertje](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/guyboertje/32/31592_2.png) [@guyboertje](https://discuss.elastic.co/u/guyboertje)\
**Post date:** [November 27, 2017, 11:33am UTC](https://discuss.elastic.co/t/logstash-parsing-snmp-traps-continue/109204/2 "2017-11-27T11:33:17Z")

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Can't mark the original message as a solution. Doing it here.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 25, 2017, 11:33am UTC](https://discuss.elastic.co/t/logstash-parsing-snmp-traps-continue/109204/3 "2017-12-25T11:33:21Z")

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