Catalyst 6500(Catalyst OS(CatOS)系统)中配置Uplink Fast生成树可选功能的命令格式是(____)。
A.set spantree uplink fast enable
B.spanning-tree uplink fast
C.spanning-tree vlan vlan_id root primary
D.spanning-tree uplink fast max-update-rate [0-32000]
正确答案是D