[ovs-discuss] ovn: Handling of broadcast packets in OVN-Container underlay mode.

Chandran, Sugesh sugesh.chandran at intel.com
Thu Aug 27 10:12:34 UTC 2015


Hello OVN team,

I am trying out OVN-Container underlay setup manually.  I found an issue with forwarding ARP/broadcast packets between containers on different VMs in same logical network.
The integration bridge on the host puts VLAN ID of the container before forwarding the packet to the VM . The OVS inside the VM then forwards this packet to the right container interface using the VLANID.
However when a packet received with broadcast mac address, integration bridge forwards it as untagged to the VM. The OVS inside the VM drops this packet, because the container interface is designated to receive only tagged packets. ARP is failing because of ARP-request never reaches the destined Container.
Is there anything I missed out to configure for handling the container broadcast/ARP traffic??? 


Please find the logs below for the flow rule details programmed on the integration bridge(Unicast and Broadcast traffic). 

$  sudo /home/sugeshch/repo/ovs_dpdk/ovs_dpdk/utilities/ovs-appctl ofproto/trace br-int in_port=3,dl_src=00:00:00:01:00:02,dl_dst=00:00:00:01:00:01,dl_vlan=100 -generate
Bridge: br-int
Flow: in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:01:00:02,dl_dst=00:00:00:01:00:01,dl_type=0x0000

Rule: table=0 cookie=0 priority=150,in_port=3,dl_vlan=100
OpenFlow actions=set_field:0x1->metadata,set_field:0x6->reg6,pop_vlan,resubmit(,16)

        Resubmitted flow: reg6=0x6,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=00:00:00:01:00:01,dl_type=0x0000
        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x0
        Resubmitted  odp: drop
        Resubmitted megaflow: recirc_id=0,reg6=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
        Rule: table=16 cookie=0 priority=50,reg6=0x6,metadata=0x1
        OpenFlow actions=resubmit(,17)

                Resubmitted flow: unchanged
                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x0
                Resubmitted  odp: drop
                Resubmitted megaflow: recirc_id=0,reg6=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                Rule: table=17 cookie=0 priority=50,metadata=0x1,dl_dst=00:00:00:01:00:01
                OpenFlow actions=set_field:0x4->reg7,resubmit(,32)

                        Resubmitted flow: reg6=0x6,reg7=0x4,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x4
                        Resubmitted  odp: drop
                        Resubmitted megaflow: recirc_id=0,reg6=0,reg7=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                        Rule: table=32 cookie=0 priority=0
                        OpenFlow actions=resubmit(,33)

                                Resubmitted flow: unchanged
                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x4
                                Resubmitted  odp: drop
                                Resubmitted megaflow: recirc_id=0,reg6=0,reg7=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                                Rule: table=33 cookie=0 priority=100,reg7=0x4,metadata=0x1
                                OpenFlow actions=resubmit(,34)

                                        Resubmitted flow: unchanged
                                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x4
                                        Resubmitted  odp: drop
                                        Resubmitted megaflow: recirc_id=0,reg6=0,reg7=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                                        Rule: table=34 cookie=0 priority=0
                                        OpenFlow actions=set_field:0->reg0,set_field:0->reg1,set_field:0->reg2,set_field:0->reg3,set_field:0->reg4,set_field:0->reg5,resubmit(,48)

                                                Resubmitted flow: unchanged
                                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x4
                                                Resubmitted  odp: drop
                                                Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                                                Rule: table=48 cookie=0 priority=0,metadata=0x1
                                                OpenFlow actions=resubmit(,49)

                                                        Resubmitted flow: unchanged
                                                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x4
                                                        Resubmitted  odp: drop
                                                        Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                                                        Rule: table=49 cookie=0 priority=50,reg7=0x4,metadata=0x1
                                                        OpenFlow actions=resubmit(,64)

                                                                Resubmitted flow: unchanged
                                                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x4
                                                                Resubmitted  odp: drop
                                                                Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
                                                                Rule: table=64 cookie=0 priority=100,reg7=0x4,metadata=0x1
                                                                OpenFlow actions=push_vlan:0x8100,set_field:4196->vlan_vid,push:NXM_OF_IN_PORT[],set_field:0->in_port,output:2,pop_vlan,pop:NXM_OF_IN_PORT[]

Final flow: reg6=0x6,reg7=0x4,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=00:00:00:01:00:01,dl_type=0x0000
Megaflow: recirc_id=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=00:00:00:01:00:01,dl_type=0x0000
Datapath actions: 5   → VLAN tags present when forwarding to the VM. 





$  sudo /home/sugeshch/repo/ovs_dpdk/ovs_dpdk/utilities/ovs-appctl ofproto/trace br-int in_port=3,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_vlan=100 -generate
Bridge: br-int
Flow: in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000

Rule: table=0 cookie=0 priority=150,in_port=3,dl_vlan=100
OpenFlow actions=set_field:0x1->metadata,set_field:0x6->reg6,pop_vlan,resubmit(,16)

        Resubmitted flow: reg6=0x6,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000
        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x0
        Resubmitted  odp: drop
        Resubmitted megaflow: recirc_id=0,reg6=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
        Rule: table=16 cookie=0 priority=50,reg6=0x6,metadata=0x1
        OpenFlow actions=resubmit(,17)

                Resubmitted flow: unchanged
                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x0
                Resubmitted  odp: drop
                Resubmitted megaflow: recirc_id=0,reg6=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                Rule: table=17 cookie=0 priority=100,metadata=0x1,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00
                OpenFlow actions=set_field:0xffff->reg7,resubmit(,32)

                        Resubmitted flow: reg6=0x6,reg7=0xffff,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000
                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0xffff
                        Resubmitted  odp: drop
                        Resubmitted megaflow: recirc_id=0,reg6=0,reg7=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                        Rule: table=32 cookie=0 priority=100,reg7=0xffff,metadata=0x1
                        OpenFlow actions=load:0x1->NXM_NX_TUN_ID[0..23],load:0xffff->NXM_NX_TUN_METADATA0[0..31],move:NXM_NX_REG6[0..14]->NXM_NX_TUN_METADATA0[16..30],output:1,resubmit(,33)                        output to native tunnel
                        tunneling to 192.168.200.2 via br-ext
                        tunneling from 00:1e:67:d1:a5:f5 192.168.200.1 to 00:1e:67:51:2a:00 192.168.200.2

                                Resubmitted flow: reg6=0x6,reg7=0xffff,tun_id=0x1,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000
                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0xffff
                                Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2))
                                Resubmitted megaflow: recirc_id=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                Rule: table=33 cookie=0 priority=100,reg7=0xffff,metadata=0x1
                                OpenFlow actions=set_field:0x1->reg7,resubmit(,34),set_field:0x2->reg7,resubmit(,34)

                                        Resubmitted flow: reg6=0x6,reg7=0x1,tun_id=0x1,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000
                                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x1
                                        Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2))
                                        Resubmitted megaflow: recirc_id=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                        Rule: table=34 cookie=0 priority=0
                                        OpenFlow actions=set_field:0->reg0,set_field:0->reg1,set_field:0->reg2,set_field:0->reg3,set_field:0->reg4,set_field:0->reg5,resubmit(,48)

                                                Resubmitted flow: unchanged
                                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x1
                                                Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2))
                                                Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                                Rule: table=48 cookie=0 priority=0,metadata=0x1
                                                OpenFlow actions=resubmit(,49)

                                                        Resubmitted flow: unchanged
                                                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x1
                                                        Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2))
                                                        Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                                        Rule: table=49 cookie=0 priority=100,metadata=0x1,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00
                                                        OpenFlow actions=resubmit(,64)

                                                                Resubmitted flow: unchanged
                                                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x1
                                                                Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2))
                                                                Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                                                Rule: table=64 cookie=0 priority=100,reg7=0x1,metadata=0x1
                                                                OpenFlow actions=output:2

                                        Resubmitted flow: reg6=0x6,reg7=0x2,tun_id=0x1,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000
                                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x2
                                        Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2)),5
                                        Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                        Rule: table=34 cookie=0 priority=0
                                        OpenFlow actions=set_field:0->reg0,set_field:0->reg1,set_field:0->reg2,set_field:0->reg3,set_field:0->reg4,set_field:0->reg5,resubmit(,48)

                                                Resubmitted flow: unchanged
                                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x2
                                                Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2)),5
                                                Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                                Rule: table=48 cookie=0 priority=0,metadata=0x1
                                                OpenFlow actions=resubmit(,49)

                                                        Resubmitted flow: unchanged
                                                        Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x2
                                                        Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2)),5
                                                        Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                                        Rule: table=49 cookie=0 priority=100,metadata=0x1,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00
                                                        OpenFlow actions=resubmit(,64)

                                                                Resubmitted flow: unchanged
                                                                Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x6 reg7=0x2
                                                                Resubmitted  odp: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2)),5
                                                                Resubmitted megaflow: recirc_id=0,reg0=0,reg1=0,reg2=0,reg3=0,reg4=0,reg5=0,reg6=0,reg7=0,tun_id=0,metadata=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
                                                                Rule: table=64 cookie=0 priority=100,reg7=0x2,metadata=0x1
                                                                OpenFlow actions=output:3
                                                                skipping output to input port

Final flow: reg6=0x6,reg7=0x2,tun_id=0x1,metadata=0x1,in_port=3,vlan_tci=0x0000,dl_src=00:00:00:01:00:02,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000
Megaflow: recirc_id=0,tun_id=0,in_port=3,dl_vlan=100,dl_vlan_pcp=0,dl_src=00:00:00:00:00:00/01:00:00:00:00:00,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00,dl_type=0x0000
Datapath actions: pop_vlan,tnl_push(tnl_port(4),header(size=58,type=5,eth(dst=00:1e:67:51:2a:00,src=00:1e:67:d1:a5:f5,dl_type=0x0800),ipv4(src=192.168.200.1,dst=192.168.200.2,proto=17,tos=0,ttl=64,frag=0x40),udp(src=0,dst=6081,csum=0x0),geneve(vni=0x1,options({class=0xffff,type=0,len=4,0x6ffff}))),out_port(2)),5 → VLAN tag stripped off before sending out.






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