With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
nhrpServerNhcInUse
nhrp Server Nhc In Use
An indication of whether this NHC is in use by the NHS.
Back to NHRP-MIB MIB page.
IPHost Network monitor allows you to monitor nhrpServerNhcInUse 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.
