我有一个使用 mininet 的网络拓扑。拓扑连接到 RYU simple_switch.py 程序。我的网络上有 6 台交换机和 6 台主机。
下面给出 6 个开关上的 Flow Table 内容。
TABLE FOR s1
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=10.97s, table=0, n_packets=11, n_bytes=561, priority=65535,dl_dst=01:80:c2:00:00:0e,dl_type=0x88cc actions=CONTROLLER:51
TABLE FOR s2
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=10.947s, table=0, n_packets=11, n_bytes=561, priority=65535,dl_dst=01:80:c2:00:00:0e,dl_type=0x88cc actions=CONTROLLER:51
TABLE FOR s3
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=10.921s, table=0, n_packets=11, n_bytes=561, priority=65535,dl_dst=01:80:c2:00:00:0e,dl_type=0x88cc actions=CONTROLLER:51
TABLE FOR s4
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=10.893s, table=0, n_packets=11, n_bytes=561, priority=65535,dl_dst=01:80:c2:00:00:0e,dl_type=0x88cc actions=CONTROLLER:51
TABLE FOR s5
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=10.86s, table=0, n_packets=11, n_bytes=561, priority=65535,dl_dst=01:80:c2:00:00:0e,dl_type=0x88cc actions=CONTROLLER:51
TABLE FOR s6
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=10.834s, table=0, n_packets=11, n_bytes=561, priority=65535,dl_dst=01:80:c2:00:00:0e,dl_type=0x88cc actions=CONTROLLER:51
是什么action=CONTROLLER:51
意思?这是否意味着将所有数据包发送PACKET_IN
到控制器?