With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
nhrpPurgeIndex
nhrp Purge Index
An index for this entry that has local significance within the scope of this table.
Back to NHRP-MIB MIB page.
IPHost Network monitor allows you to monitor nhrpPurgeIndex 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.
