With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
nhrpClientStatRxResolveReplyNakNotUnique
nhrp Client Stat Rx Resolve Reply Nak Not Unique
1.3.6.1.3.9999.1.2.3.1.4
The number of NAKed NHRP Resolution Replies received by this client that contained the code indicating 'Binding Exists But Is Not Unique'. Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime.
Back to NHRP-MIB MIB page.
IPHost Network monitor allows you to monitor nhrpClientStatRxResolveReplyNakNotUnique on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
