tests/tunnel.at

   1 AT_BANNER([tunnel])
   2
   3 AT_SETUP([tunnel - input])
   4 OVS_VSWITCHD_START([add-port br0 p1 -- set Interface p1 type=gre \
   5                     options:remote_ip=1.1.1.1 ofport_request=1\
   6                     -- add-port br0 p2 -- set Interface p2 type=gre \
   7                     options:local_ip=2.2.2.2 options:remote_ip=1.1.1.1 \
   8                     ofport_request=2 \
   9                     -- add-port br0 p3 -- set Interface p3 type=gre \
  10                     options:remote_ip=2.2.2.2 ofport_request=3])
  11 AT_DATA([flows.txt], [dnl
  12 actions=IN_PORT
  13 ])
  14
  15 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
  16
  17 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
  18 br0 (dummy@ovs-dummy):
  19         lookups: hit:0 missed:0 lost:0
  20         flows: 0
  21         br0 65534/100: (dummy)
  22         p1 1/1: (gre: remote_ip=1.1.1.1)
  23         p2 2/1: (gre: local_ip=2.2.2.2, remote_ip=1.1.1.1)
  24         p3 3/1: (gre: remote_ip=2.2.2.2)
  25 ])
  26
  27 dnl remote_ip
  28 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=1.1.1.1,dst=1.2.3.4,tos=0x0,ttl=64,flags()),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
  29 AT_CHECK([tail -1 stdout], [0],
  30   [Datapath actions: set(tunnel(tun_id=0x0,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df))),1
  31 ])
  32
  33 dnl local_ip, remote_ip
  34 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags()),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
  35 AT_CHECK([tail -1 stdout], [0],
  36   [Datapath actions: set(tunnel(tun_id=0x0,src=2.2.2.2,dst=1.1.1.1,tos=0x0,ttl=64,flags(df))),1
  37 ])
  38
  39 dnl reconfigure, local_ip, remote_ip
  40 AT_CHECK([ovs-vsctl set Interface p2 type=gre options:local_ip=2.2.2.3 \
  41           options:df_default=false options:ttl=1 options:csum=true \
  42           -- set Interface p3 type=gre64])
  43 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
  44 br0 (dummy@ovs-dummy):
  45         lookups: hit:0 missed:0 lost:0
  46         flows: 0
  47         br0 65534/100: (dummy)
  48         p1 1/1: (gre: remote_ip=1.1.1.1)
  49         p2 2/1: (gre: csum=true, df_default=false, local_ip=2.2.2.3, remote_ip=1.1.1.1, ttl=1)
  50         p3 3/64: (gre64: remote_ip=2.2.2.2)
  51 ])
  52 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags()),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
  53 AT_CHECK([tail -1 stdout], [0],
  54   [Datapath actions: set(tunnel(tun_id=0x0,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df))),1
  55 ])
  56 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=1.1.1.1,dst=2.2.2.3,tos=0x0,ttl=64,flags()),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
  57 AT_CHECK([tail -1 stdout], [0],
  58   [Datapath actions: set(tunnel(tun_id=0x0,src=2.2.2.3,dst=1.1.1.1,tos=0x0,ttl=1,flags(csum))),1
  59 ])
  60
  61 dnl nonexistent tunnel
  62 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=5.5.5.5,dst=6.6.6.6,tos=0x0,ttl=64,flags()),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [2], [ignore], [dnl
  63 Invalid flow
  64 ovs-appctl: ovs-vswitchd: server returned an error
  65 ])
  66
  67 OVS_VSWITCHD_STOP
  68 AT_CLEANUP
  69
  70 AT_SETUP([tunnel - ECN decapsulation])
  71 OVS_VSWITCHD_START([add-port br0 p1 -- set Interface p1 type=gre \
  72                     options:remote_ip=1.1.1.1 ofport_request=1 \
  73                     -- add-port br0 p2 -- set Interface p2 type=dummy \
  74                     ofport_request=2])
  75 AT_DATA([flows.txt], [dnl
  76 actions=2
  77 ])
  78
  79 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
  80
  81 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
  82 br0 (dummy@ovs-dummy):
  83         lookups: hit:0 missed:0 lost:0
  84         flows: 0
  85         br0 65534/100: (dummy)
  86         p1 1/1: (gre: remote_ip=1.1.1.1)
  87         p2 2/2: (dummy)
  88 ])
  89
  90 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=1.1.1.1,dst=2.2.2.2,tos=0x3,ttl=64,flags()),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=1,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
  91 AT_CHECK([tail -1 stdout], [0],
  92   [Datapath actions: 2
  93 ])
  94 OVS_VSWITCHD_STOP
  95 AT_CLEANUP
  96
  97 AT_SETUP([tunnel - output])
  98 OVS_VSWITCHD_START([add-port br0 p1 -- set Interface p1 type=gre \
  99                     options:remote_ip=1.1.1.1 options:local_ip=2.2.2.2 \
 100                     options:key=5 ofport_request=1\
 101                     -- add-port br0 p2 -- set Interface p2 type=dummy \
 102                     ofport_request=2 ofport_request=2])
 103 AT_DATA([flows.txt], [dnl
 104 actions=output:1
 105 ])
 106
 107 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
 108
 109 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
 110 br0 (dummy@ovs-dummy):
 111         lookups: hit:0 missed:0 lost:0
 112         flows: 0
 113         br0 65534/100: (dummy)
 114         p1 1/1: (gre: key=5, local_ip=2.2.2.2, remote_ip=1.1.1.1)
 115         p2 2/2: (dummy)
 116 ])
 117
 118 dnl Basic
 119 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(2),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=4,ttl=128,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 120 AT_CHECK([tail -1 stdout], [0],
 121   [Datapath actions: set(tunnel(tun_id=0x5,src=2.2.2.2,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1
 122 ])
 123
 124 dnl ECN
 125 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(2),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=1,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 126 AT_CHECK([tail -1 stdout], [0],
 127   [Datapath actions: set(tunnel(tun_id=0x5,src=2.2.2.2,dst=1.1.1.1,tos=0x1,ttl=64,flags(df,key))),1
 128 ])
 129 OVS_VSWITCHD_STOP
 130 AT_CLEANUP
 131
 132 AT_SETUP([tunnel - ToS and TTL inheritance])
 133 OVS_VSWITCHD_START([add-port br0 p1 -- set Interface p1 type=gre \
 134                     options:remote_ip=1.1.1.1 options:tos=inherit \
 135                     options:ttl=inherit ofport_request=1 \
 136                     -- add-port br0 p2 -- set Interface p2 type=dummy \
 137                     ofport_request=2 ofport_request=2])
 138 AT_DATA([flows.txt], [dnl
 139 actions=output:1
 140 ])
 141
 142 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
 143
 144 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
 145 br0 (dummy@ovs-dummy):
 146         lookups: hit:0 missed:0 lost:0
 147         flows: 0
 148         br0 65534/100: (dummy)
 149         p1 1/1: (gre: remote_ip=1.1.1.1, tos=inherit, ttl=inherit)
 150         p2 2/2: (dummy)
 151 ])
 152
 153 dnl Basic
 154 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(2),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=4,ttl=128,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 155 AT_CHECK([tail -1 stdout], [0],
 156   [Datapath actions: set(tunnel(tun_id=0x0,src=0.0.0.0,dst=1.1.1.1,tos=0x4,ttl=128,flags(df))),1
 157 ])
 158
 159 dnl ECN
 160 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(2),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=5,ttl=128,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 161 AT_CHECK([tail -1 stdout], [0],
 162   [Datapath actions: set(tunnel(tun_id=0x0,src=0.0.0.0,dst=1.1.1.1,tos=0x5,ttl=128,flags(df))),1
 163 ])
 164
 165 dnl non-IP
 166 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(2),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0806),arp(sip=1.2.3.4,tip=5.6.7.8,op=1,sha=00:0f:10:11:12:13,tha=00:14:15:16:17:18)'], [0], [stdout])
 167 AT_CHECK([tail -1 stdout], [0],
 168   [Datapath actions: set(tunnel(tun_id=0x0,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df))),1
 169 ])
 170 OVS_VSWITCHD_STOP
 171 AT_CLEANUP
 172
 173 AT_SETUP([tunnel - set_tunnel])
 174 OVS_VSWITCHD_START([dnl
 175     add-port br0 p1 -- set Interface p1 type=gre options:key=flow \
 176         options:remote_ip=1.1.1.1 ofport_request=1 \
 177     -- add-port br0 p2 -- set Interface p2 type=gre options:key=flow \
 178         options:remote_ip=2.2.2.2 ofport_request=2 \
 179     -- add-port br0 p3 -- set Interface p3 type=gre options:key=flow \
 180         options:remote_ip=3.3.3.3 ofport_request=3 \
 181     -- add-port br0 p4 -- set Interface p4 type=gre options:key=flow \
 182         options:remote_ip=4.4.4.4 ofport_request=4])
 183 AT_DATA([flows.txt], [dnl
 184 actions=set_tunnel:1,output:1,set_tunnel:2,output:2,set_tunnel:3,output:3,set_tunnel:5,output:4
 185 ])
 186
 187 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
 188
 189 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
 190 br0 (dummy@ovs-dummy):
 191         lookups: hit:0 missed:0 lost:0
 192         flows: 0
 193         br0 65534/100: (dummy)
 194         p1 1/1: (gre: key=flow, remote_ip=1.1.1.1)
 195         p2 2/1: (gre: key=flow, remote_ip=2.2.2.2)
 196         p3 3/1: (gre: key=flow, remote_ip=3.3.3.3)
 197         p4 4/1: (gre: key=flow, remote_ip=4.4.4.4)
 198 ])
 199
 200 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(100),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=1,tos=0,ttl=128,frag=no),icmp(type=8,code=0)'], [0], [stdout])
 201 AT_CHECK([tail -1 stdout], [0], [Datapath actions: dnl
 202 set(tunnel(tun_id=0x1,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1,dnl
 203 set(tunnel(tun_id=0x2,src=0.0.0.0,dst=2.2.2.2,tos=0x0,ttl=64,flags(df,key))),1,dnl
 204 set(tunnel(tun_id=0x3,src=0.0.0.0,dst=3.3.3.3,tos=0x0,ttl=64,flags(df,key))),1,dnl
 205 set(tunnel(tun_id=0x5,src=0.0.0.0,dst=4.4.4.4,tos=0x0,ttl=64,flags(df,key))),1
 206 ])
 207 OVS_VSWITCHD_STOP
 208 AT_CLEANUP
 209
 210 AT_SETUP([tunnel - key])
 211 OVS_VSWITCHD_START([dnl
 212     add-port br0 p1 -- set Interface p1 type=gre options:key=1 \
 213         options:remote_ip=1.1.1.1 ofport_request=1 \
 214     -- add-port br0 p2 -- set Interface p2 type=gre options:in_key=2 \
 215         options:out_key=3 options:remote_ip=1.1.1.1 ofport_request=2 \
 216     -- add-port br0 p3 -- set Interface p3 type=gre options:out_key=5 \
 217         options:remote_ip=1.1.1.1 ofport_request=3])
 218 AT_DATA([flows.txt], [dnl
 219 actions=IN_PORT,output:1,output:2,output:3
 220 ])
 221
 222 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
 223
 224 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
 225 br0 (dummy@ovs-dummy):
 226         lookups: hit:0 missed:0 lost:0
 227         flows: 0
 228         br0 65534/100: (dummy)
 229         p1 1/1: (gre: key=1, remote_ip=1.1.1.1)
 230         p2 2/1: (gre: in_key=2, out_key=3, remote_ip=1.1.1.1)
 231         p3 3/1: (gre: out_key=5, remote_ip=1.1.1.1)
 232 ])
 233
 234 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x1,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags(key)),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 235 AT_CHECK([tail -1 stdout], [0], [Datapath actions: dnl
 236 set(tunnel(tun_id=0x1,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1,dnl
 237 set(tunnel(tun_id=0x3,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1,dnl
 238 set(tunnel(tun_id=0x5,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1
 239 ])
 240
 241 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x2,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags(key)),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 242 AT_CHECK([tail -1 stdout], [0], [Datapath actions: dnl
 243 set(tunnel(tun_id=0x3,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1,dnl
 244 set(tunnel(tun_id=0x1,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1,dnl
 245 set(tunnel(tun_id=0x5,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1
 246 ])
 247
 248 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags()),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 249 AT_CHECK([tail -1 stdout], [0], [Datapath actions: dnl
 250 set(tunnel(tun_id=0x5,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1,dnl
 251 set(tunnel(tun_id=0x1,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1,dnl
 252 set(tunnel(tun_id=0x3,src=0.0.0.0,dst=1.1.1.1,tos=0x0,ttl=64,flags(df,key))),1
 253 ])
 254
 255 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0xf,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags(key)),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [2], [ignore], [dnl
 256 Invalid flow
 257 ovs-appctl: ovs-vswitchd: server returned an error
 258 ])
 259 OVS_VSWITCHD_STOP
 260 AT_CLEANUP
 261
 262 AT_SETUP([tunnel - key match])
 263 OVS_VSWITCHD_START([dnl
 264     add-port br0 p1 -- set Interface p1 type=gre options:key=flow \
 265         options:remote_ip=1.1.1.1 ofport_request=1 \
 266     -- add-port br0 p2 -- set Interface p2 type=gre options:key=3 \
 267         options:remote_ip=3.3.3.3 ofport_request=2 \
 268     -- add-port br0 p3 -- set Interface p3 type=dummy ofport_request=3 \
 269     -- add-port br0 p4 -- set Interface p4 type=dummy ofport_request=4 \
 270     -- add-port br0 p5 -- set Interface p5 type=dummy ofport_request=5])
 271 AT_DATA([flows.txt], [dnl
 272 tun_id=2,actions=output:3
 273 tun_id=3,actions=output:4,set_tunnel:2,resubmit:99,set_tunnel:4,output:2,resubmit:99
 274 tun_id=4,actions=output:5
 275 ])
 276
 277 AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
 278
 279 AT_CHECK([ovs-appctl dpif/show], [0], [dnl
 280 br0 (dummy@ovs-dummy):
 281         lookups: hit:0 missed:0 lost:0
 282         flows: 0
 283         br0 65534/100: (dummy)
 284         p1 1/1: (gre: key=flow, remote_ip=1.1.1.1)
 285         p2 2/1: (gre: key=3, remote_ip=3.3.3.3)
 286         p3 3/3: (dummy)
 287         p4 4/4: (dummy)
 288         p5 5/5: (dummy)
 289 ])
 290
 291 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x2,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags(key)),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 292 AT_CHECK([tail -1 stdout], [0], [dnl
 293 Datapath actions: 3
 294 ])
 295
 296 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x3,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags(key)),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 297 AT_CHECK([tail -1 stdout], [0], [dnl
 298 Datapath actions: 4,3,set(tunnel(tun_id=0x3,src=0.0.0.0,dst=3.3.3.3,tos=0x0,ttl=64,flags(df,key))),1,5
 299 ])
 300
 301 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x3,src=3.3.3.3,dst=2.2.2.2,tos=0x0,ttl=64,flags(key)),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 302 AT_CHECK([tail -1 stdout], [0], [dnl
 303 Datapath actions: 4,3,5
 304 ])
 305
 306 AT_CHECK([ovs-appctl ofproto/trace br0 'tunnel(tun_id=0x0,src=1.1.1.1,dst=2.2.2.2,tos=0x0,ttl=64,flags(key)),in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'], [0], [stdout])
 307 AT_CHECK([tail -1 stdout], [0], [dnl
 308         - Sends "packet-in" messages to the OpenFlow controller.
 309 ])
 310
 311 OVS_VSWITCHD_STOP
 312 AT_CLEANUP