# Use Logstash-input-snmp，cannot receive DELL TEST TRAP

**URL:** <https://discuss.elastic.co/t/use-logstash-input-snmp-cannot-receive-dell-test-trap/143656>\
**Category:** Logstash\
**Created:** [August 9, 2018, 9:00am UTC](https://discuss.elastic.co/t/use-logstash-input-snmp-cannot-receive-dell-test-trap/143656 "2018-08-09T09:00:12Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![Uncel\_wang\_shushu](https://avatars.discourse-cdn.com/v4/letter/u/e36b37/32.png) [@Uncel\_wang\_shushu](https://discuss.elastic.co/u/Uncel_wang_shushu)\
**Post date:** [August 9, 2018, 9:00am UTC](https://discuss.elastic.co/t/use-logstash-input-snmp-cannot-receive-dell-test-trap/143656/1 "2018-08-09T09:00:12Z")

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Error handling trap: Expected snmpTrapOID.0, found [name=DELL-RAC-MIB::server3.5.3.1.1.0, value=TST001 (OCTET STRING)]  
/data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/snmp-1.2.0/lib/snmp/pdu.rb:293:in `trap_oid' /data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/snmp-1.2.0/lib/snmp/manager.rb:732:in`block in select\_handler'  
org/jruby/ext/thread/Mutex.java:148:in `synchronize' /data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/snmp-1.2.0/lib/snmp/manager.rb:730:in`select\_handler'  
/data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/snmp-1.2.0/lib/snmp/manager.rb:714:in `block in process_traps' org/jruby/RubyKernel.java:1292:in`loop'  
/data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/snmp-1.2.0/lib/snmp/manager.rb:704:in `process_traps' /data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/logstash-input-snmptrap-3.0.6/lib/logstash/inputs/snmptrap/patches/trap_listener.rb:17:in`process\_traps'  
/data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/snmp-1.2.0/lib/snmp/manager.rb:631:in `block in initialize'  
Received data:  
"0\x82\x01\x8C\x02\x01\x01\x04\tgdsTest01\xA7\x82\x01z\x02\x04\x1Aa6\xDE\x02\x01\x00\x02\x01\x000\x82\x01j0\x1E\x06\n+\x06\x01\x06\x03\x01\x01\x04\x01\x00\x06\x10+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x02\x05\x00\xD1\e0\x18\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\x01\x00\x04\x06TST0010|\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\x02\x00\x04jThe iDRAC generated a test trap event in response to a user request. (Trap generated using SNMPv2 format.)0\x13\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\x03\x00\x02\x01\x030\x19\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\x04\x00\x04\a1R127220\x1C\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\x05\x00\x04\nDC15PM-0430\x12\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\x06\x00\x04\x000\x12\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\a\x00\x04\x000\x12\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\b\x00\x04\x000\x12\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\t\x00\x04\x000\x12\x06\x0E+\x06\x01\x04\x01\x85"\xD5\f\x05\x03\x01\n\x00\x04\x00"

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<div class="post-metadata">

**Author:** ![Uncel\_wang\_shushu](https://avatars.discourse-cdn.com/v4/letter/u/e36b37/32.png) [@Uncel\_wang\_shushu](https://discuss.elastic.co/u/Uncel_wang_shushu)\
**Post date:** [August 9, 2018, 9:01am UTC](https://discuss.elastic.co/t/use-logstash-input-snmp-cannot-receive-dell-test-trap/143656/2 "2018-08-09T09:01:23Z")

</div>

here is snmp.conf ,as follow :

---

<div class="post-metadata">

**Author:** ![Uncel\_wang\_shushu](https://avatars.discourse-cdn.com/v4/letter/u/e36b37/32.png) [@Uncel\_wang\_shushu](https://discuss.elastic.co/u/Uncel_wang_shushu)\
**Post date:** [August 9, 2018, 9:02am UTC](https://discuss.elastic.co/t/use-logstash-input-snmp-cannot-receive-dell-test-trap/143656/3 "2018-08-09T09:02:04Z")

</div>

[root@monitordb logstash-6.3.0]# cat config/snmp1.conf  
input {  
snmptrap {  
type =\> "snmptrap"  
community =\> "gdsTest01"  
host =\> "0.0.0.0"  
port =\> 7777  
yamlmibdir =\> "/data/logstash-6.3.0/vendor/bundle/jruby/2.3.0/gems/snmp-1.2.0/data/ruby/snmp/mibs"  
}  
}

output {  
file{  
path =\> "/tmp/snmp\_test.txt"  
write\_behavior =\> overwrite  
}  
exec {  
command =\> "echo $(tail -n 1 /tmp/snmp\_test.txt) \>\> /tmp/6666.txt"  
}  
stdout {  
codec =\> rubydebug  
}  
}

---

<div class="post-metadata">

**Author:** ![Uncel\_wang\_shushu](https://avatars.discourse-cdn.com/v4/letter/u/e36b37/32.png) [@Uncel\_wang\_shushu](https://discuss.elastic.co/u/Uncel_wang_shushu)\
**Post date:** [August 10, 2018, 2:37am UTC](https://discuss.elastic.co/t/use-logstash-input-snmp-cannot-receive-dell-test-trap/143656/4 "2018-08-10T02:37:10Z")

</div>

Why I received those errors

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [September 7, 2018, 2:37am UTC](https://discuss.elastic.co/t/use-logstash-input-snmp-cannot-receive-dell-test-trap/143656/5 "2018-09-07T02:37:11Z")

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