With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdot1agStackDirection
Cisco IEEE 802.1ag Stack Direction
1.3.6.1.4.1.9.9.604.1.1.1.1.4
Direction in which the MP faces on the Bridge Port
Back to CISCO-IEEE-CFM-MIB MIB page.
IPHost Network monitor allows you to monitor cdot1agStackDirection on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.