With IPHost Network Monitor you can run simple snmp requests against a Alcatel device in your network.
vStpPortNumber
v Spanning Tree Port Port Number
1.3.6.1.4.1.800.2.2.5.19.1.1
The port ifindex of the port for which this entry contains Spanning Tree Protocol management information.
Back to ALCATEL-IND1-VLAN-STP-MIB MIB page.
IPHost Network monitor allows you to monitor vStpPortNumber on Alcatel device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Alcatel IP phones right now.