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OVS流表的建立.md

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OVS 流表的建立

普通流表

br-int

  1. 在 OVSIntegrationBridge.setup_default_table 中建立了下面几个 flow entity
  2. cookie=0xa5e7242f14aacf4c, duration=1023.245s, table=23, n_packets=0, n_bytes=0, idle_age=65534, priority=0 actions=drop
  3. cookie=0xa5e7242f14aacf4c, duration=1099.072s, table=0, n_packets=16804, n_bytes=1973390, idle_age=1301, priority=0 actions=NORMAL
  4. cookie=0xa5e7242f14aacf4c, duration=1156.038s, table=24, n_packets=0, n_bytes=0, idle_age=65534, priority=0 actions=drop

br-tun

  1. 在 OVSTunnelBridge.setup_default_table 中建立了下面几个 flow entity
  2. cookie=0x89b1024fe5e42035, duration=2.783s, table=0, n_packets=0, n_bytes=0, idle_age=2, priority=1,in_port=1 actions=resubmit(,2)
  3. cookie=0xa7296f7c2d2464bf, duration=54.514s, table=0, n_packets=0, n_bytes=0, idle_age=54, priority=0 actions=drop
  4. cookie=0xa7296f7c2d2464bf, duration=46.730s, table=2, n_packets=0, n_bytes=0, idle_age=46, priority=0,dl_dst=00:00:00:00:00:00/01:00:00:00:00:00 actions=resubmit(,20)（对于单播包，转发到 20）
  5. cookie=0xa7296f7c2d2464bf, duration=46.725s, table=2, n_packets=0, n_bytes=0, idle_age=46, priority=0,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=resubmit(,22)（对于组播包，转发到 22）
  6. cookie=0xa7296f7c2d2464bf, duration=247.890s, table=4, n_packets=0, n_bytes=0, idle_age=247, priority=0 actions=drop
  7. cookie=0xa7296f7c2d2464bf, duration=46.713s, table=10, n_packets=0, n_bytes=0, idle_age=46, priority=1 actions=learn(table=20,hard_timeout=300,priority=1,cookie=0xa7296f7c2d2464bf,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],load:0->NXM_OF_VLAN_TCI[],load:NXM_NX_TUN_ID[]->NXM_NX_TUN_ID[],output:OXM_OF_IN_PORT[]),output:1

br-ex

  1. 在 OVSPhysicalBridge.setup_default_table 中建立了下面几个 flow entity
  2. cookie=0x84ee7d746b40273d, duration=939.154s, table=0, n_packets=0, n_bytes=0, idle_age=939, priority=0 actions=NORMAL

l2 population

br-int

br-tun

  1. 在 OVSTunnelBridge.setup_default_table 中建立了下面几个 flow entity
  2. cookie=0xa7296f7c2d2464bf, duration=46.734s, table=2, n_packets=0, n_bytes=0, idle_age=46, priority=1,arp,dl_dst=ff:ff:ff:ff:ff:ff actions=resubmit(,21)

br-ex

dvr mode

br-int

  1. 在 OVSDVRNeutronAgent.setup_dvr_flows 中：
  2. cookie=0xa8aa161778c6d26a, duration=1440.919s, table=23, n_packets=0, n_bytes=0, idle_age=1440, priority=0 actions=drop
  3. cookie=0xa8aa161778c6d26a, duration=1465.096s, table=1, n_packets=0, n_bytes=0, idle_age=1465, priority=1 actions=drop
  4. cookie=0xa8aa161778c6d26a, duration=1486.974s, table=2, n_packets=0, n_bytes=0, idle_age=1486, priority=1 actions=drop
  5. cookie=0xa8aa161778c6d26a, duration=1520.804s, table=0, n_packets=21, n_bytes=2478, idle_age=33, priority=1 actions=NORMAL
  6. cookie=0xa8aa161778c6d26a, duration=1520.800s, table=0, n_packets=0, n_bytes=0, idle_age=1520, priority=2,in_port=1 actions=drop

br-tun

br-ex

参考

Neutron 理解 (4): Neutron OVS OpenFlow 流表 和 L2 Population [Netruon OVS OpenFlow tables + L2 Population]