在交换机s1中添加组表项,设置组表的组ID为1,组类型为all。第一个行动桶为:从2号端口输出,第二个行动桶为:从1号端口输出。以下命令写法正确的是()
A. ovs-ofctl -O OpenFlow13 add-group s1 group_id=1,type=all,bucket=output:2,bucket=output:1
B. ovs-ofctl -O OpenFlow13 add-group s1 group_id=1,type=all,bucket=output:1,bucket=output:2
C. ovs-ofctl -O OpenFlow13 add-group s1 group_id=2,type=all,bucket=output:2,bucket=output:1
D. ovs-ofctl -O OpenFlow13 add-group s1 group_id=1,type=select,bucket=output:1,bucket=output:2