With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
nhrpPurgeReqEntry
nhrp Purge Req Entry
Information regarding a Purge Request.
Back to NHRP-MIB MIB page.
IPHost Network monitor allows you to monitor nhrpPurgeReqEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.