With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
nhrpServerNhcTable
nhrp Server Nhc Table
A table of NHCs that are available for use by this NHS (Server).
Back to NHRP-MIB MIB page.
IPHost Network monitor allows you to monitor nhrpServerNhcTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.