Able to send v2 traps but Issue in sending v3 traps

Hello,

I am facing problem sending SNMPv3 traps to the trap listener (snmptrad , AdventNet Trap Listener) from the agent which i have compiled as Master - subagent configuration(Agentx)


Following is the configuration i did in /usr/local/share/snmp/snmpd.conf
================================================================================
com2sec  v3_user    localhost     v3_private
group       v3_group   usm           v3_user
rwuser     v3_user     auth
view        all             included      .1          80
access    v3_group    ""              any       noauth   exact  all    all    none

master  agentx
AgentXSocket	tcp:localhost:706

trapsess -e 0x0102030405 -v 3 -u v3_user -a MD5 -A mysecretpass -l authNoPriv localhost:162
snmpsess -e 0x0102030405 -v 3 -u v3_user -a MD5 -A mysecretpass -l authNoPriv localhost:162
=================================================================================


Following is the configuration for /usr/local/share/snmp/snmptrapd.conf
======================================================
logoption  o
ignoreauthfailure  no
authCommunity log v3_private
======================================================


Following lines were added in /var/net-snmp/snmpd.conf & /var/net-snmp/snmptrapd.conf 
===================================================================
snmpd.conf      ---->      createUser v3_user MD5 mysecretpass DES mypassphrase
snmptrapd.conf ---->      createUser 0x0102030405 v3_user MD5 mysecretpass DES mypassphrase

===================================================================


Problem is that when i run "snmptrapd -Dusm -P" and the run my agent from where i send trap using "send_v2trap()" it gives me following error and no traps are recieved 

USM processing begun...
usm: usm: match on user v3_user
match on user v3_user
usm: no match on engineID (80 00 1F 88 04 53 54 52 49 4E 47 usm: no match on
engineID (80 00 1F 88 04 53 54 52 49 4E 47 )
)
usm: usm: match on user v3_user
match on user v3_user
usm: usm: Verification succeeded.
Verification succeeded.
usm: usm: USM processing completed.
USM processing completed.


Could u help me in this case as when i use "trap2sink localhost v3_private" directive in snmpd.conf then i am able to recieve the traps but these are V2 trap.How to get V3 traps


Thanks
Gaurav

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