With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
appnLsStatusTable
appn Link Station Status Table
1.3.6.1.2.1.34.4.1.1.5.2
This table contains information related to exceptional and potentially exceptional conditions that occurred during the activation, XID exchange, and termination of a connection. No entries are created when these activities proceed normally. It is an implementation option when entries are removed from this table.
Back to APPN-MIB MIB page.
IPHost Network monitor allows you to monitor appnLsStatusTable 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.