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Hi rijilabra!

I am trying to integrate ODL with DevStack environment too. First, you have a problem with the table 20. In this table you should see several flow entries related to ARP Service, like you can see in the FlavioBlog (part2):

cookie=0x0, duration=9645.244s, table=20, n_packets=2, n_bytes=84, priority=1024,arp,tun_id=0x3e9,arp_tpa=1.0.0.3 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:4c:39:0e->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e4c390e->NXM_NX_ARP_SHA[],load:0x1000003->NXM_OF_ARP_SPA[],IN_PORT

cookie=0x0, duration=9673.863s, table=20, n_packets=3, n_bytes=126, priority=1024,arp,tun_id=0x3e9,arp_tpa=1.0.0.1 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:49:68:47->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e496847->NXM_NX_ARP_SHA[],load:0x1000001->NXM_OF_ARP_SPA[],IN_PORT

cookie=0x0, duration=9677.419s, table=20, n_packets=3, n_bytes=126, priority=1024,arp,tun_id=0x3e9,arp_tpa=1.0.0.254 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:69:5a:42->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e695a42->NXM_NX_ARP_SHA[],load:0x10000fe->NXM_OF_ARP_SPA[],IN_PORT

cookie=0x0, duration=9656.405s, table=20, n_packets=1, n_bytes=42, priority=1024,arp,tun_id=0x3e9,arp_tpa=1.0.0.2 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:32:d8:e8->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e32d8e8->NXM_NX_ARP_SHA[],load:0x1000002->NXM_OF_ARP_SPA[],IN_PORT

cookie=0x0, duration=9654.361s, table=20, n_packets=2, n_bytes=84, priority=1024,arp,tun_id=0x3ea,arp_tpa=2.0.0.1 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:a8:c2:66->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163ea8c266->NXM_NX_ARP_SHA[],load:0x2000001->NXM_OF_ARP_SPA[],IN_PORT

cookie=0x0, duration=9660.025s, table=20, n_packets=3, n_bytes=126, priority=1024,arp,tun_id=0x3ea,arp_tpa=2.0.0.254 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:cb:14:47->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163ecb1447->NXM_NX_ARP_SHA[],load:0x20000fe->NXM_OF_ARP_SPA[],IN_PORT

cookie=0x0, duration=9642.164s, table=20, n_packets=1, n_bytes=42, priority=1024,arp,tun_id=0x3ea,arp_tpa=2.0.0.2 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:41:56:ec->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e4156ec->NXM_NX_ARP_SHA[],load:0x2000002->NXM_OF_ARP_SPA[],IN_PORT

cookie=0x0, duration=9629.870s, table=20, n_packets=3, n_bytes=126, priority=1024,arp,tun_id=0x3ea,arp_tpa=2.0.0.3 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:fa:16:3e:94:75:95->eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e947595->NXM_NX_ARP_SHA[],load:0x2000003->NXM_OF_ARP_SPA[],IN_PORT

I had the same problem, visit this post. So, check the version of OpenvSwith that you are using.

An related to that the router interface is down, I see the same, but L3 is working.

Please, can you check this ? To confirm that you have the same problem... Thanks.