pg46 openvswitch # ovs-ofctl dump-flows dp0 NXST_FLOW reply (xid=0x4): # Removed other flows here for paste... cookie=0x0, duration=18.467s, table=0, n_packets=2, n_bytes=148, idle_timeout=100,priority=65535,tcp,in_port=65534,vlan_tci=0x0000,dl_src=00:1f:29:32:92:4d,dl_dst=00:1b:21:6a:85:88,nw_src=10.0.0.10,nw_dst=10.0.0.13,nw_tos=0,tp_src=58209,tp_dst=5004 actions=mod_dl_src:00:1f:29:32:92:4d,mod_dl_dst:00:1f:29:32:92:4d,mod_nw_src:10.0.0.10,mod_nw_dst:10.0.0.10,mod_tp_dst:9877,IN_PORT * * pg46 openvswitch # ovs-dpctl dump-flows dp0 in_port(0),eth(src=00:1f:29:32:92:4d,dst=00:1b:21:6a:85:88),eth_type(0x0800),ipv4(src=10.0.0.10,dst=10.0.0.13,proto=6,tos=0,ttl=64,frag=no),tcp(src=58209,dst=5004), packets:0, bytes:0, used:never, actions:set(eth(src=00:1f:29:32:92:4d,dst=00:1f:29:32:92:4d)),set(ipv4(src=10.0.0.10,dst=10.0.0.10,proto=6,tos=0,ttl=64,frag=no)),set(tcp(src=58209,dst=9877)),0
pg46 openvswitch # ovs-appctl -t ovs-vswitchd ofproto/trace dp0 'in_port(0),eth(src=00:1f:29:32:92:4d,dst=00:1b:21:6a:85:88),eth_type(0x0800),ipv4(src=10.0.0.10,dst=10.0.0.13,proto=6,tos=0,ttl=64,frag=no),tcp(src=58209,dst=5004)' Flow: priority0:tunnel0:in_portfffe:tci(0) mac00:1f:29:32:92:4d->00:1b:21:6a:85:88 type0800 proto6 tos0 ttl64 ip10.0.0.10->10.0.0.13 port58209->5004 Rule: table=0 cookie=0 priority=65535,tcp,in_port=65534,vlan_tci=0x0000,dl_src=00:1f:29:32:92:4d,dl_dst=00:1b:21:6a:85:88,nw_src=10.0.0.10,nw_dst=10.0.0.13,nw_tos=0,tp_src=58209,tp_dst=5004 OpenFlow actions=mod_dl_src:00:1f:29:32:92:4d,mod_dl_dst:00:1f:29:32:92:4d,mod_nw_src:10.0.0.10,mod_nw_dst:10.0.0.10,mod_tp_dst:9877,IN_PORT Final flow: priority0:tunnel0:in_portfffe:tci(0) mac00:1f:29:32:92:4d->00:1f:29:32:92:4d type0800 proto6 tos0 ttl64 ip10.0.0.10->10.0.0.10 port58209->9877 Datapath actions: set(eth(src=00:1f:29:32:92:4d,dst=00:1f:29:32:92:4d)),set(ipv4(src=10.0.0.10,dst=10.0.0.10,proto=6,tos=0,ttl=64,frag=no)),set(tcp(src=58209,dst=9877)),0 On Tue, Jan 10, 2012 at 12:28 PM, Ben Pfaff <[email protected]> wrote: > On Tue, Jan 10, 2012 at 12:15:39PM -0500, Aaron Rosen wrote: >> Hello, >> >> I have a quick question about what could be happening to these packets. >> >> I start a tcp connection 10.0.0.10 > 10.0.0.13: >> >> 12:02:55.961344 00:1f:29:32:92:4d (oui Unknown) > 00:1b:21:6a:85:88 >> (oui Unknown), ethertype IPv4 (0x0800), length 74: 10.0.0.10.50490 > >> 10.0.0.13.5004: S >> >> Then the following flow entry is installed in order to handle this flow: >> >> ?cookie=0x0, duration=4.55s, table=0, n_packets=1, n_bytes=74, >> idle_timeout=10,priority=65535,tcp,in_port=65534,vlan_tci=0x0000,dl_src=00:1f:29:32:92:4d,dl_dst=00:1b:21:6a:85:88,nw_src=10.0.0.10,nw_dst=10.0.0.13,nw_tos=0,tp_src=50490,tp_dst=5004 >> actions=mod_dl_src:00:1f:29:32:92:4d,mod_dl_dst:00:1f:29:32:92:4d,mod_nw_src:10.0.0.10,mod_nw_dst:10.0.0.10,mod_tp_dst:9877,IN_PORT >> >> >> Though, I never see these packets come back in on the interface that >> it went out on. > > What does "ovs-appctl ofproto/trace" or "ovs-dpctl dump-flows" show > happening to the packets? -- Aaron O. Rosen Masters Student - Network Communication 306B Fluor Daniel
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