With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c2900PortEntry
Cisco 2900 Port Entry
1.3.6.1.4.1.9.9.87.1.4.1.1
Entry containing information for a particular switched port on a module installed. The entries are not created or deleted by management commands.
Back to CISCO-C2900-MIB MIB page.
IPHost Network monitor allows you to monitor c2900PortEntry 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.
