openvswitch 使用速查

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root@l-network-1:~# ovs-vsctl list-br
br-ex
br-int
br-tun

root@l-network-1:~# ovs-vsctl list-ports br-tun
patch-int
vxlan-ac1c0509
vxlan-ac1c050d
vxlan-ac1c051c
vxlan-ac1c053f

root@l-network-1:~# ovs-vsctl list-ifaces br-tun
patch-int
vxlan-ac1c0509
vxlan-ac1c050d
vxlan-ac1c051c
vxlan-ac1c053f
# iface与ports同名.

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root@l-network-1:~# ovs-vsctl port-to-br vxlan-ac1c0509
br-tun
root@l-network-1:~# ovs-vsctl iface-to-br vxlan-ac1c0509
br-tun

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root@l-network-1:# ovs-appctl bridge/dump-flows br-ex
duration=6067771s, n_packets=1313936898, n_bytes=881574100116, priority=0,actions=NORMAL
table_id=254, duration=6067771s, n_packets=0, n_bytes=0, priority=2,recirc_id=0,actions=drop
table_id=254, duration=6067771s, n_packets=0, n_bytes=0, priority=0,reg0=0x1,actions=controller(reason=no_match)
table_id=254, duration=6067771s, n_packets=0, n_bytes=0, priority=0,reg0=0x2,actions=drop
table_id=254, duration=6067771s, n_packets=0, n_bytes=0, priority=0,reg0=0x3,actions=drop

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root@l-network-1:# ovs-dpctl show
system@ovs-system:
        lookups: hit:2596765540 missed:6438005 lost:0
        flows: 39
        masks: hit:19416324706 total:10 hit/pkt:7.46
        port 0: ovs-system (internal)
        port 1: tapd9a71635-53 (internal)
        port 2: tap82059645-8e (internal)
        port 3: tap3f0507b3-70 (internal)

root@l-network-1:# ovs-dpctl show -s
system@ovs-system:
        lookups: hit:2596836956 missed:6438236 lost:0
        flows: 42
        masks: hit:19416902233 total:10 hit/pkt:7.46
        port 0: ovs-system (internal)
                RX packets:0 errors:0 dropped:0 overruns:0 frame:0
                TX packets:0 errors:0 dropped:0 aborted:0 carrier:0
                collisions:0
                RX bytes:0  TX bytes:0
        port 1: tapd9a71635-53 (internal)
                RX packets:4170 errors:0 dropped:0 overruns:0 frame:0
                TX packets:1091973 errors:0 dropped:0 aborted:0 carrier:0
                collisions:0
                RX bytes:906944 (885.7 KiB)  TX bytes:48392325 (46.2 MiB)
        port 2: tap82059645-8e (internal)
                RX packets:7130 errors:0 dropped:0 overruns:0 frame:0
                TX packets:7379 errors:0 dropped:0 aborted:0 carrier:0
                collisions:0
                RX bytes:641578 (626.5 KiB)  TX bytes:650492 (635.2 KiB)
        port 3: tap3f0507b3-70 (internal)
                RX packets:5505 errors:0 dropped:0 overruns:0 frame:0
                TX packets:7549 errors:0 dropped:0 aborted:0 carrier:0

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root@l-network-1:# ovs-ofctl dump-ports br-ex
OFPST_PORT reply (xid=0x2): 19 ports
  port LOCAL: rx pkts=78668524, bytes=34522064349, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=78827893, bytes=5746347600, drop=0, errs=0, coll=0 port 10: rx pkts=14386485, bytes=10843773932, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=15666927, bytes=10659584526, drop=0, errs=0, coll=0 port 26: rx pkts=3830, bytes=161388, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=3025213, bytes=244511981, drop=0, errs=0, coll=0 port 36: rx pkts=16, bytes=1200, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=898463, bytes=68248745, drop=0, errs=0, coll=0 port 25: rx pkts=4693, bytes=206958, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=3256605, bytes=264430395, drop=0, errs=0, coll=0 port 35: rx pkts=229447, bytes=21077911, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=1905393, bytes=758729599, drop=0, errs=0, coll=0 port 28: rx pkts=13, bytes=1074, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=2266685, bytes=179166266, drop=0, errs=0, coll=0 port 23: rx pkts=10345, bytes=636977, drop=0, errs=0, frame=0, over=0, crc=0 tx pkts=3345437, bytes=272099392, drop=0, errs=0, coll=0

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root@l-network-1:# ovs-appctl fdb/show br-ex
 port  VLAN  MAC                Age
   10     0  fa:16:3e:f8:28:9f    9
   11     0  fa:16:3e:a7:d2:f5    8
   34     0  fa:16:3e:2f:b2:71    8
    4     0  2c:44:fd:89:cf:3a    6
    6     0  fa:16:3e:45:c7:c5    5
    4     0  fa:16:3e:44:15:eb    5
    4     0  2c:44:fd:8a:78:06    4
    1     0  fa:16:3e:be:08:35    2
    3     0  fa:16:3e:2f:dd:71    1
    2     0  fa:16:3e:d7:f0:c1    0
LOCAL     0  2c:44:fd:8a:32:ce    0
    4     0  20:0b:c7:37:d0:05    0

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ovs-vsctl set Interface tap0 ingress_policing_rate=100000 ovs-vsctl set Intervace tap ingress_policing_burst=10000 ovs-appctl qos/show <iface>

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watch -d -n 1 "ovs-ofctl dump-flows <bridge>"

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ovs-dpctl show -s
ovs-ofctl dump-ports <br> [port]

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ip link add name snooper0 type dummy
ip link set dev snooper0 up
ovs-vsctl add-port br-int snooper0

ovs-vsctl -- set Bridge br-int mirrors=@m -- --id=@snooper0 \
  get Port snooper0  -- --id=@patch-tun get Port patch-tun \
  -- --id=@m create Mirror name=mymirror select-dst-port=@patch-tun \
  select-src-port=@patch-tun output-port=@snooper0 select_all=1

tcpdump -i snooper0

ovs-vsctl clear Bridge br-int mirrors
ovs-vsctl del-port br-int snooper0
ip link delete dev snooper0

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cat /var/log/openvswitch/*.log

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root@l-network-1:~# ovs-appctl ofproto/trace br-ex in_port=10,dl_src=66:4e:cc:ae:4d:20,dl_dst=46:54:8a:95:dd:f8 -generate
Bridge: br-ex
Flow: in_port=10,vlan_tci=0x0000,dl_src=66:4e:cc:ae:4d:20,dl_dst=46:54:8a:95:dd:f8,dl_type=0x0000

Rule: table=0 cookie=0 priority=0
OpenFlow actions=NORMAL
no learned MAC for destination, flooding

Final flow: in_port=10,vlan_tci=0x0000,dl_src=66:4e:cc:ae:4d:20,dl_dst=46:54:8a:95:dd:f8,dl_type=0x0000
Megaflow: in_port=10,vlan_tci=0x0000/0x1fff,dl_src=66:4e:cc:ae:4d:20,dl_dst=46:54:8a:95:dd:f8,dl_type=0x0000
Datapath actions: 27,30,12,14,15,17,20,37,9,28,47,48,54,57,29,25,61,21