Enables the guard root to restrict which interface is allowed to be the spanning-tree root port or the path-to-the-root for the switch.
<interface xmlns="urn:brocade.com:mgmt:brocade-interface"> <ethernet> <name>2/1</name> <spanning-tree xmlns="urn:brocade.com:mgmt:brocade-xstp"> <guard> <root></root> </guard> </spanning-tree> </ethernet> </interface>