Configures the hello interval for the RPVST spanning tree.
<protocol xmlns="urn:brocade.com:mgmt:brocade-interface"> <spanning-tree xmlns="urn:brocade.com:mgmt:brocade-xstp"> <rpvst> <vlan> <id>1</id> <hello-time>3</hello-time> </vlan> </rpvst> </spanning-tree> </protocol>