With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
nhrpServerStatTxResolveReplyNakNotUnique
nhrp Server Stat Tx Resolve Reply Nak Not Unique
1.3.6.1.3.9999.1.3.3.1.4
The number of NAKed NHRP Resolution Replies transmitted by this server with the code 'Binding Exists But Is Not Unique'. Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime.
Back to NHRP-MIB MIB page.
IPHost Network monitor allows you to monitor nhrpServerStatTxResolveReplyNakNotUnique on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
