Sets restrictions for the port of particular MSTP instances.
<interface xmlns="urn:brocade.com:mgmt:brocade-interface"> <ethernet> <name>2/1</name> <spanning-tree xmlns="urn:brocade.com:mgmt:brocade-xstp"> <instance> <id>5</id> <priority>240</priority> </instance> </spanning-tree> </ethernet> </interface>