[NF] Querying and printing MST port roles via OSS_SNMP
[NF] Querying and printing MST port roles via OSS_SNMP

See: http://www.barryodonovan.com/index.php/2013/12/09/mst-port-roles-via-snmp

yavgech/OSS_SNMP,yavgech/OSS_SNMP,yavgech/OSS_SNMP