With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
appnNnNodeFREntryTimeLeft
appn Network Node Node FR Entry Time Left
1.3.6.1.2.1.34.4.1.2.2.3.1.3
Number of days before deletion of this network node entry.
Back to APPN-MIB MIB page.
IPHost Network monitor allows you to monitor appnNnNodeFREntryTimeLeft on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.