With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
nhrpClientStatRxRegisterNakProhibited
nhrp Client Stat Rx Register Nak Prohibited
The number of NAKed NHRP Registration Replies received by this client that contained the code indicating 'Administratively Prohibited'. 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 nhrpClientStatRxRegisterNakProhibited 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.