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SNMPv3 inform: No SNMP response received before timeout #290

@prathapk1990

Description

@prathapk1990

we are building a SNVPv3 inform collector , and am trying to create a snmp-v3 agent stub for unit-testing the collector.

I am failing to get snmp ack for the Inform and notification generator timesout. Can you please help me with example code/pointing errors in my code. Thanks.

pysnmp==4.4.9

On the receiver side I get below logs:

2019-07-30 16:55:52,128 pysnmp: processIncomingMsg: cache write securityStateReference 6299569 by msgUserName snmp-collector
2019-07-30 16:55:52,128 pysnmp: processIncomingMsg: read from securityParams msgAuthoritativeEngineId <OctetString value object at 0x3cd9310 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd9350 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:52,129 pysnmp: processIncomingMsg: unknown securityEngineID <OctetString value object at 0x3cd9310 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd9350 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:52,129 pysnmp: StatusInformation: {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3c3e130 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [3]>, 'securityStateReference': 6299569, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9350 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:52,129 pysnmp: prepareDataElements: SM failed, statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3c3e130 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [3]>, 'securityStateReference': 6299569, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9350 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:52,132 pysnmp: returnResponsePdu: PDU <empty>
2019-07-30 16:55:52,132 pysnmp: prepareResponseMessage: stateReference 16606211
2019-07-30 16:55:52,132 pysnmp: prepareResponseMessage: prepare report PDU for statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3c3e130 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [3]>, 'securityStateReference': 6299569, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9350 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:52,132 pysnmp: prepareResponseMessage: using contextEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, contextName <OctetString value object at 0x3036a90 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload []>
2019-07-30 16:55:52,132 pysnmp: prepareResponseMessage: SNMPv3Message:
 msgVersion=3
 msgGlobalData=HeaderData:
  msgID=2190087
  msgMaxSize=65507
  msgFlags=0x03
  msgSecurityModel=3

 msgSecurityParameters=0x3017040980004fb8052a5833f0020102020107040004000400
 msgData=ScopedPduData:
  plaintext=ScopedPDU:
   contextEngineId=0x80004fb8052a5833f0
   contextName=
   data=PDUs:
    report=ReportPDU:
     request-id=0
     error-status=noError
     error-index=0
     variable-bindings=VarBindList:
      VarBind:
       name=1.3.6.1.6.3.15.1.1.3.0
       =_BindValue:
        value=ObjectSyntax:
         application-wide=ApplicationSyntax:
          counter-value=3









2019-07-30 16:55:52,133 pysnmp: prepareResponseMessage: securityModel <Integer value object at 0x3cc4d10 tagSet <TagSet object at 0x2f33690 tags 0:0:2> subtypeSpec <ConstraintsIntersection object at 0x3036150 consts <ValueRangeConstraint object at 0x3036130 consts 3, 2147483647>> payload [3]>, securityEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, securityName None, securityLevel 3
2019-07-30 16:55:52,133 pysnmp: __generateRequestOrResponseMsg: user info read from cache
2019-07-30 16:55:52,133 pysnmp: __generateRequestOrResponseMsg: local usmUserName <OctetString value object at 0x3cd9350 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserSecurityName <OctetString value object at 0x3cd9350 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserAuthProtocol (1, 3, 6, 1, 6, 3, 10, 1, 1, 1) usmUserPrivProtocol (1, 3, 6, 1, 6, 3, 10, 1, 2, 1) securityEngineID <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> securityName None
2019-07-30 16:55:52,134 pysnmp: StatusInformation: {'errorIndication': UnsupportedSecurityLevel('Unsupported SNMP security level')}
2019-07-30 16:55:52,134 pysnmp: prepareDataElements: error reported
2019-07-30 16:55:53,141 pysnmp: receiveMessage: msgVersion 3, msg decoded
2019-07-30 16:55:53,141 pysnmp: prepareDataElements: SNMPv3Message:
 msgVersion=3
 msgGlobalData=HeaderData:
  msgID=2190088
  msgMaxSize=65507
  msgFlags=0x07
  msgSecurityModel=3

 msgSecurityParameters=0x3039040980004fb8052a5833f0020100020100040e736e6d702d636f6c6c6563746f72040c27e1930c9977cf9267f48015040800000000de2aa32c
 msgData=ScopedPduData:
  encryptedPDU=0x99c2f0d125d373a3a9e25b4e910568eb08413596a66e60bd2827f6f9f18a7fed9937f2a49ffcc3df573a55a24d3f7855464c9e5b26090da8764a08ec5af1d7a1bdf4ab2b1c5370bd0b10b5604131a58e


2019-07-30 16:55:53,141 pysnmp: prepareDataElements: msg data msgVersion 3 msgID 2190088 securityModel 3
2019-07-30 16:55:53,141 pysnmp: processIncomingMsg: securityParameters 
00000: 30 39 04 09 80 00 4F B8 05 2A 58 33 F0 02 01 00 
00016: 02 01 00 04 0E 73 6E 6D 70 2D 63 6F 6C 6C 65 63 
00032: 74 6F 72 04 0C 27 E1 93 0C 99 77 CF 92 67 F4 80 
00048: 15 04 08 00 00 00 00 DE 2A A3 2C
2019-07-30 16:55:53,142 pysnmp: processIncomingMsg: UsmSecurityParameters:
 msgAuthoritativeEngineId=0x80004fb8052a5833f0
 msgAuthoritativeEngineBoots=0
 msgAuthoritativeEngineTime=0
 msgUserName=snmp-collector
 msgAuthenticationParameters=0x27e1930c9977cf9267f48015
 msgPrivacyParameters=0x00000000de2aa32c

2019-07-30 16:55:53,142 pysnmp: processIncomingMsg: cache write securityStateReference 6299570 by msgUserName snmp-collector
2019-07-30 16:55:53,142 pysnmp: processIncomingMsg: read from securityParams msgAuthoritativeEngineId <OctetString value object at 0x3cd96b0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd96f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:53,142 pysnmp: processIncomingMsg: unknown securityEngineID <OctetString value object at 0x3cd96b0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd96f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:53,142 pysnmp: StatusInformation: {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x336c910 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [4]>, 'securityStateReference': 6299570, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd96f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:53,143 pysnmp: prepareDataElements: SM failed, statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x336c910 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [4]>, 'securityStateReference': 6299570, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd96f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:53,144 pysnmp: returnResponsePdu: PDU <empty>
2019-07-30 16:55:53,144 pysnmp: prepareResponseMessage: stateReference 16606212
2019-07-30 16:55:53,144 pysnmp: prepareResponseMessage: prepare report PDU for statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x336c910 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [4]>, 'securityStateReference': 6299570, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd96f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:53,145 pysnmp: prepareResponseMessage: using contextEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, contextName <OctetString value object at 0x3036a90 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload []>
2019-07-30 16:55:53,145 pysnmp: prepareResponseMessage: SNMPv3Message:
 msgVersion=3
 msgGlobalData=HeaderData:
  msgID=2190088
  msgMaxSize=65507
  msgFlags=0x03
  msgSecurityModel=3

 msgSecurityParameters=0x3017040980004fb8052a5833f0020102020107040004000400
 msgData=ScopedPduData:
  plaintext=ScopedPDU:
   contextEngineId=0x80004fb8052a5833f0
   contextName=
   data=PDUs:
    report=ReportPDU:
     request-id=0
     error-status=noError
     error-index=0
     variable-bindings=VarBindList:
      VarBind:
       name=1.3.6.1.6.3.15.1.1.3.0
       =_BindValue:
        value=ObjectSyntax:
         application-wide=ApplicationSyntax:
          counter-value=4









2019-07-30 16:55:53,145 pysnmp: prepareResponseMessage: securityModel <Integer value object at 0x3cd9530 tagSet <TagSet object at 0x2f33690 tags 0:0:2> subtypeSpec <ConstraintsIntersection object at 0x3036150 consts <ValueRangeConstraint object at 0x3036130 consts 3, 2147483647>> payload [3]>, securityEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, securityName None, securityLevel 3
2019-07-30 16:55:53,145 pysnmp: __generateRequestOrResponseMsg: user info read from cache
2019-07-30 16:55:53,145 pysnmp: __generateRequestOrResponseMsg: local usmUserName <OctetString value object at 0x3cd96f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserSecurityName <OctetString value object at 0x3cd96f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserAuthProtocol (1, 3, 6, 1, 6, 3, 10, 1, 1, 1) usmUserPrivProtocol (1, 3, 6, 1, 6, 3, 10, 1, 2, 1) securityEngineID <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> securityName None
2019-07-30 16:55:53,146 pysnmp: StatusInformation: {'errorIndication': UnsupportedSecurityLevel('Unsupported SNMP security level')}
2019-07-30 16:55:53,146 pysnmp: prepareDataElements: error reported
2019-07-30 16:55:54,155 pysnmp: receiveMessage: msgVersion 3, msg decoded
2019-07-30 16:55:54,155 pysnmp: prepareDataElements: SNMPv3Message:
 msgVersion=3
 msgGlobalData=HeaderData:
  msgID=2190089
  msgMaxSize=65507
  msgFlags=0x07
  msgSecurityModel=3

 msgSecurityParameters=0x3039040980004fb8052a5833f0020100020100040e736e6d702d636f6c6c6563746f72040c75b49879532bb843f4b91e4c040800000000de2aa32d
 msgData=ScopedPduData:
  encryptedPDU=0x3ca47f12a00061b012456b82d6d0a71480def15d6941b5a36635aa0ead0573cbc196f848eed8fd4907bd7e3640c288b245c2c847ea71a95bd610648de2614b3bd82f402c62877956ccea41af0bffc5aa


2019-07-30 16:55:54,156 pysnmp: prepareDataElements: msg data msgVersion 3 msgID 2190089 securityModel 3
2019-07-30 16:55:54,156 pysnmp: processIncomingMsg: securityParameters 
00000: 30 39 04 09 80 00 4F B8 05 2A 58 33 F0 02 01 00 
00016: 02 01 00 04 0E 73 6E 6D 70 2D 63 6F 6C 6C 65 63 
00032: 74 6F 72 04 0C 75 B4 98 79 53 2B B8 43 F4 B9 1E 
00048: 4C 04 08 00 00 00 00 DE 2A A3 2D
2019-07-30 16:55:54,156 pysnmp: processIncomingMsg: UsmSecurityParameters:
 msgAuthoritativeEngineId=0x80004fb8052a5833f0
 msgAuthoritativeEngineBoots=0
 msgAuthoritativeEngineTime=0
 msgUserName=snmp-collector
 msgAuthenticationParameters=0x75b49879532bb843f4b91e4c
 msgPrivacyParameters=0x00000000de2aa32d

2019-07-30 16:55:54,156 pysnmp: processIncomingMsg: cache write securityStateReference 6299571 by msgUserName snmp-collector
2019-07-30 16:55:54,156 pysnmp: processIncomingMsg: read from securityParams msgAuthoritativeEngineId <OctetString value object at 0x3cd9810 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd9a30 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:54,156 pysnmp: processIncomingMsg: unknown securityEngineID <OctetString value object at 0x3cd9810 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd9a30 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:54,157 pysnmp: StatusInformation: {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3cc48f0 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [5]>, 'securityStateReference': 6299571, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9a30 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:54,157 pysnmp: prepareDataElements: SM failed, statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3cc48f0 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [5]>, 'securityStateReference': 6299571, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9a30 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:54,160 pysnmp: returnResponsePdu: PDU <empty>
2019-07-30 16:55:54,160 pysnmp: prepareResponseMessage: stateReference 16606213
2019-07-30 16:55:54,160 pysnmp: prepareResponseMessage: prepare report PDU for statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3cc48f0 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [5]>, 'securityStateReference': 6299571, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9a30 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:54,160 pysnmp: prepareResponseMessage: using contextEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, contextName <OctetString value object at 0x3036a90 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload []>
2019-07-30 16:55:54,160 pysnmp: prepareResponseMessage: SNMPv3Message:
 msgVersion=3
 msgGlobalData=HeaderData:
  msgID=2190089
  msgMaxSize=65507
  msgFlags=0x03
  msgSecurityModel=3

 msgSecurityParameters=0x3017040980004fb8052a5833f0020102020107040004000400
 msgData=ScopedPduData:
  plaintext=ScopedPDU:
   contextEngineId=0x80004fb8052a5833f0
   contextName=
   data=PDUs:
    report=ReportPDU:
     request-id=0
     error-status=noError
     error-index=0
     variable-bindings=VarBindList:
      VarBind:
       name=1.3.6.1.6.3.15.1.1.3.0
       =_BindValue:
        value=ObjectSyntax:
         application-wide=ApplicationSyntax:
          counter-value=5









2019-07-30 16:55:54,161 pysnmp: prepareResponseMessage: securityModel <Integer value object at 0x3cd94b0 tagSet <TagSet object at 0x2f33690 tags 0:0:2> subtypeSpec <ConstraintsIntersection object at 0x3036150 consts <ValueRangeConstraint object at 0x3036130 consts 3, 2147483647>> payload [3]>, securityEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, securityName None, securityLevel 3
2019-07-30 16:55:54,161 pysnmp: __generateRequestOrResponseMsg: user info read from cache
2019-07-30 16:55:54,161 pysnmp: __generateRequestOrResponseMsg: local usmUserName <OctetString value object at 0x3cd9a30 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserSecurityName <OctetString value object at 0x3cd9a30 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserAuthProtocol (1, 3, 6, 1, 6, 3, 10, 1, 1, 1) usmUserPrivProtocol (1, 3, 6, 1, 6, 3, 10, 1, 2, 1) securityEngineID <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> securityName None
2019-07-30 16:55:54,162 pysnmp: StatusInformation: {'errorIndication': UnsupportedSecurityLevel('Unsupported SNMP security level')}
2019-07-30 16:55:54,162 pysnmp: prepareDataElements: error reported
2019-07-30 16:55:55,168 pysnmp: receiveMessage: msgVersion 3, msg decoded
2019-07-30 16:55:55,169 pysnmp: prepareDataElements: SNMPv3Message:
 msgVersion=3
 msgGlobalData=HeaderData:
  msgID=2190090
  msgMaxSize=65507
  msgFlags=0x07
  msgSecurityModel=3

 msgSecurityParameters=0x3039040980004fb8052a5833f0020100020100040e736e6d702d636f6c6c6563746f72040c78ac2e6ce2ad80190bf28481040800000000de2aa32e
 msgData=ScopedPduData:
  encryptedPDU=0xa3a3cf03c442c531b881535667662b0189d49e06eeaf4059227f11af418ede65d26e4dea5a052a091ba6484ce1edad030e4b992f29a8e9bf73a41b9d5758559c8889971440a2d2e157953aff76ecd8ee


2019-07-30 16:55:55,169 pysnmp: prepareDataElements: msg data msgVersion 3 msgID 2190090 securityModel 3
2019-07-30 16:55:55,169 pysnmp: processIncomingMsg: securityParameters 
00000: 30 39 04 09 80 00 4F B8 05 2A 58 33 F0 02 01 00 
00016: 02 01 00 04 0E 73 6E 6D 70 2D 63 6F 6C 6C 65 63 
00032: 74 6F 72 04 0C 78 AC 2E 6C E2 AD 80 19 0B F2 84 
00048: 81 04 08 00 00 00 00 DE 2A A3 2E
2019-07-30 16:55:55,170 pysnmp: processIncomingMsg: UsmSecurityParameters:
 msgAuthoritativeEngineId=0x80004fb8052a5833f0
 msgAuthoritativeEngineBoots=0
 msgAuthoritativeEngineTime=0
 msgUserName=snmp-collector
 msgAuthenticationParameters=0x78ac2e6ce2ad80190bf28481
 msgPrivacyParameters=0x00000000de2aa32e

2019-07-30 16:55:55,170 pysnmp: processIncomingMsg: cache write securityStateReference 6299572 by msgUserName snmp-collector
2019-07-30 16:55:55,170 pysnmp: processIncomingMsg: read from securityParams msgAuthoritativeEngineId <OctetString value object at 0x3cd95f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd9b70 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:55,170 pysnmp: processIncomingMsg: unknown securityEngineID <OctetString value object at 0x3cd95f0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> msgUserName <OctetString value object at 0x3cd9b70 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>
2019-07-30 16:55:55,171 pysnmp: StatusInformation: {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3cd9e70 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [6]>, 'securityStateReference': 6299572, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9b70 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:55,171 pysnmp: prepareDataElements: SM failed, statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3cd9e70 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [6]>, 'securityStateReference': 6299572, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9b70 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:55,173 pysnmp: returnResponsePdu: PDU <empty>
2019-07-30 16:55:55,173 pysnmp: prepareResponseMessage: stateReference 16606214
2019-07-30 16:55:55,173 pysnmp: prepareResponseMessage: prepare report PDU for statusInformation {'errorIndication': UnknownSecurityName('Unknown SNMP security name encountered'), 'oid': (1, 3, 6, 1, 6, 3, 15, 1, 1, 3, 0), 'val': <Counter32 value object at 0x3cd9e70 tagSet <TagSet object at 0x2fbd910 tags 64:0:1> subtypeSpec <ConstraintsIntersection object at 0x2fbd8f0 consts <ValueRangeConstraint object at 0x2fbd870 consts 0, 4294967295>> payload [6]>, 'securityStateReference': 6299572, 'securityLevel': 3, 'contextEngineId': <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, 'contextName': b'', 'msgUserName': <OctetString value object at 0x3cd9b70 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]>, 'maxSizeResponseScopedPDU': 65400}
2019-07-30 16:55:55,173 pysnmp: prepareResponseMessage: using contextEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, contextName <OctetString value object at 0x3036a90 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> encoding iso-8859-1 payload []>
2019-07-30 16:55:55,174 pysnmp: prepareResponseMessage: SNMPv3Message:
 msgVersion=3
 msgGlobalData=HeaderData:
  msgID=2190090
  msgMaxSize=65507
  msgFlags=0x03
  msgSecurityModel=3

 msgSecurityParameters=0x3017040980004fb8052a5833f0020102020107040004000400
 msgData=ScopedPduData:
  plaintext=ScopedPDU:
   contextEngineId=0x80004fb8052a5833f0
   contextName=
   data=PDUs:
    report=ReportPDU:
     request-id=0
     error-status=noError
     error-index=0
     variable-bindings=VarBindList:
      VarBind:
       name=1.3.6.1.6.3.15.1.1.3.0
       =_BindValue:
        value=ObjectSyntax:
         application-wide=ApplicationSyntax:
          counter-value=6









2019-07-30 16:55:55,174 pysnmp: prepareResponseMessage: securityModel <Integer value object at 0x3cd9830 tagSet <TagSet object at 0x2f33690 tags 0:0:2> subtypeSpec <ConstraintsIntersection object at 0x3036150 consts <ValueRangeConstraint object at 0x3036130 consts 3, 2147483647>> payload [3]>, securityEngineId <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]>, securityName None, securityLevel 3
2019-07-30 16:55:55,174 pysnmp: __generateRequestOrResponseMsg: user info read from cache
2019-07-30 16:55:55,174 pysnmp: __generateRequestOrResponseMsg: local usmUserName <OctetString value object at 0x3cd9b70 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserSecurityName <OctetString value object at 0x3cd9b70 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3609150 consts <ValueSizeConstraint object at 0x3609130 consts 0, 32>> encoding iso-8859-1 payload [snmp-collector]> usmUserAuthProtocol (1, 3, 6, 1, 6, 3, 10, 1, 1, 1) usmUserPrivProtocol (1, 3, 6, 1, 6, 3, 10, 1, 2, 1) securityEngineID <SnmpEngineID value object at 0x3ca41d0 tagSet <TagSet object at 0x2f81b90 tags 0:0:4> subtypeSpec <ConstraintsIntersection object at 0x3c11ef0 consts <ValueSizeConstraint object at 0x2fbd6d0 consts 0, 65535>, <ValueSizeConstraint object at 0x3c11f30 consts 5, 32>> encoding iso-8859-1 payload [0x80004fb8052a5833f0]> securityName None
2019-07-30 16:55:55,174 pysnmp: StatusInformation: {'errorIndication': UnsupportedSecurityLevel('Unsupported SNMP security level')}
2019-07-30 16:55:55,174 pysnmp: prepareDataElements: error reported

##below is the code snippet

#Notification receiver:


snmpEngine = engine.SnmpEngine()

config.addV3User(snmpEngine=snmpEngine,
                 userName='snmp-collector',
                 authProtocol=(1, 3, 6, 1, 6, 3, 10, 1, 1, 3), #SHA
                 authKey='authkey',
                 privProtocol=(1, 3, 6, 1, 6, 3, 10, 1, 2, 2), #DES
                 privKey='privkey',
                 securityEngineId=rfc1902.OctetString(hexValue='80004fb8052ce04e40'),
                 securityName='snmp-collector')

ntfrcv.NotificationReceiver(snmpEngine, cbFun)
loop.run_forever()

#Notification Sender:

    sendNotification(
        SnmpEngine(),
        UsmUserData(userName='snmp-collector',
                    authKey="authkey",
                    privKey="privkey",
                    authProtocol=usmHMACSHAAuthProtocol,
                    privProtocol=usmDESPrivProtocol,
                    securityName='snmp-collector'
                    securityEngineId=rfc1902.OctetString(hexValue='80004fb8052ce04e40')
                    ),
        UdpTransportTarget(('127.0.0.1', 162)),
        ContextData(),
        'inform',
        NotificationType(ObjectIdentity('1.3.6.1.6.3.1.1.5.2.6.1'))
    )
)

Below are the wired packets:

Discovery Packet:


Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00 (00:00:00:00:00:00)
Internet Protocol Version 4, Src: 127.0.0.1, Dst: 127.0.0.1
User Datagram Protocol, Src Port: 55500, Dst Port: 162
Simple Network Management Protocol
    msgVersion: snmpv3 (3)
    msgGlobalData
    msgAuthoritativeEngineID: <MISSING>
    msgAuthoritativeEngineBoots: 0
    msgAuthoritativeEngineTime: 0
    msgUserName: 
    msgAuthenticationParameters: <MISSING>
    msgPrivacyParameters: <MISSING>
    msgData: plaintext (0)
        plaintext
            contextEngineID: <MISSING>
            contextName: 
            data: informRequest (6)
                informRequest
                    request-id: 9478717
                    error-status: noError (0)
                    error-index: 0
                    variable-bindings: 0 items
					```

#Inform Request
```Frame 1426: 139 bytes on wire (1112 bits), 139 bytes captured (1112 bits) on interface 0
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00 (00:00:00:00:00:00)
Internet Protocol Version 4, Src: 127.0.0.1, Dst: 127.0.0.1
User Datagram Protocol, Src Port: 162, Dst Port: 49786
Simple Network Management Protocol
    msgVersion: snmpv3 (3)
    msgGlobalData
    msgAuthoritativeEngineID: 80004fb8052a5833f0
        1... .... = Engine ID Conformance: RFC3411 (SNMPv3)
        Engine Enterprise ID: pysnmp (20408)
        Engine ID Format: Octets, administratively assigned (5)
        Engine ID Data: 2a5833f0
    msgAuthoritativeEngineBoots: 2
    msgAuthoritativeEngineTime: 7
    msgUserName: 
    msgAuthenticationParameters: <MISSING>
    msgPrivacyParameters: <MISSING>
    msgData: plaintext (0)
        plaintext
            contextEngineID: 80004fb8052a5833f0
                1... .... = Engine ID Conformance: RFC3411 (SNMPv3)
                Engine Enterprise ID: pysnmp (20408)
                Engine ID Format: Octets, administratively assigned (5)
                Engine ID Data: 2a5833f0
            contextName: 
            data: report (8)
                report
                    request-id: 4266906
                    error-status: noError (0)
                    error-index: 0
                    variable-bindings: 1 item
                        1.3.6.1.6.3.15.1.1.4.0: 1
                            Object Name: 1.3.6.1.6.3.15.1.1.4.0 (iso.3.6.1.6.3.15.1.1.4.0)
                            Value (Counter32): 1

#Inform

Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00 (00:00:00:00:00:00)
Internet Protocol Version 4, Src: 127.0.0.1, Dst: 127.0.0.1
User Datagram Protocol, Src Port: 49786, Dst Port: 162
Simple Network Management Protocol
    msgVersion: snmpv3 (3)
    msgGlobalData
    msgAuthoritativeEngineID: 80004fb8052a5833f0
        1... .... = Engine ID Conformance: RFC3411 (SNMPv3)
        Engine Enterprise ID: pysnmp (20408)
        Engine ID Format: Octets, administratively assigned (5)
        Engine ID Data: 2a5833f0
    msgAuthoritativeEngineBoots: 0
    msgAuthoritativeEngineTime: 0
    msgUserName: snmp-collector
    msgAuthenticationParameters: 5a0bec5b9503fa20ea5105fe
    msgPrivacyParameters: 00000000de2aa329
    msgData: encryptedPDU (1)
        encryptedPDU: 1685e11f508ac857f7a0fa9ecafd9fd6047799a4830098a5…
            Decrypted ScopedPDU: 3046040980004fb8052ce04e400400a6370203411b990201…
                contextEngineID: 80004fb8052ce04e40
                    1... .... = Engine ID Conformance: RFC3411 (SNMPv3)
                    Engine Enterprise ID: pysnmp (20408)
                    Engine ID Format: Octets, administratively assigned (5)
                    Engine ID Data: 2ce04e40
                contextName: 
                data: informRequest (6)
                    informRequest
                        request-id: 4266905
                        error-status: noError (0)
                        error-index: 0
                        variable-bindings: 2 items
                            1.3.6.1.2.1.1.3.0: 0
                                Object Name: 1.3.6.1.2.1.1.3.0 (iso.3.6.1.2.1.1.3.0)
                                Value (Timeticks): 0
                            1.3.6.1.6.3.1.1.4.1.0: 1.3.6.1.6.3.1.1.5.2.6.1 (iso.3.6.1.6.3.1.1.5.2.6.1)
                                Object Name: 1.3.6.1.6.3.1.1.4.1.0 (iso.3.6.1.6.3.1.1.4.1.0)
                                Value (OID): 1.3.6.1.6.3.1.1.5.2.6.1 (iso.3.6.1.6.3.1.1.5.2.6.1)

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