snmp - snmpd timeout: No response from localhost -

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i running centos 6.3 , attempting use snmp v3 query oid's on server. running paessler's snmp tester 5.1.3 no response host. have made sure iptables not have odd firewall settings. can verify snmpd listening on port 161. have made sure selinux disabled. able install on centos 7.1 without issue. have done tail on messages in var/log/messages , can see incoming traffic snmpd. stumped , have no idea why work on 1 version of os not another. wonder if has suggestions.

thank you


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