With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c2900PortMayLearnAddress
Cisco 2900 Port May Learn Address
1.3.6.1.4.1.9.9.87.1.4.1.1.5
This object reflects an internal state of the port with regard to its ability to learn new addresses. Certain port configurations such as learning time limit, security usage, etc., and some Spanning Tree Protocol states can temporarily prohibit the port from learning. This object is true(1) if the port is allowed to learn. It is false(2) otherwise. Setting this object to true(1) will fail, if the port is not in normal state. This object is deprecated.
Back to CISCO-C2900-MIB MIB page.
IPHost Network monitor allows you to monitor c2900PortMayLearnAddress 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.