[ovs-dev] SNAT on OVN logical_router in userspace works for ICMP but not TCP or UDP

[Darrell Ball]

I thought the problem was with TCP/UDP traffic ?
Did you send TCP traffic for this test ?; if not, can you run the test with TCP ?



On 2/8/19, 12:53 PM, "Rostyslav Fridman" <Rostyslav_Fridman at epam.com> wrote:

    # ovs-appctl dpif/dump-flows br-int
    recirc_id(0x1),dp_hash(0x9eeb76ae/0xff),in_port(8),packet_type(ns=0,id=0),eth_type(0x8100),vlan(vid=111,pcp=0),encap(eth_type(0x0800),ipv4(frag=no)), packets:20, bytes:2040, used:0.942s, actions:4
    ct_state(-new-est-rel-inv-trk),recirc_id(0),in_port(8),packet_type(ns=0,id=0),eth(src=0a:00:00:00:00:03/01:00:00:00:00:00,dst=00:00:00:6b:83:b1),eth_type(0x0800),ipv4(src=10.0.0.2/255.255.254.0,dst=216.58.215.110/224.0.0.0,ttl=64,frag=no), packets:25, bytes:2354, used:0.942s, flags:S, actions:ct_clear,ct(zone=5,nat),recirc(0xb1)
    ct_state(+new-est-rel-inv+trk),recirc_id(0xb2),in_port(8),packet_type(ns=0,id=0),eth(src=00:00:00:73:a8:30,dst=00:00:00:da:6b:85),eth_type(0x0800),ipv4(src=10.0.0.2/255.0.0.0,dst=216.58.215.110/128.0.0.0,ttl=63,frag=no), packets:20, bytes:1960, used:0.942s, actions:set(eth(src=00:00:00:61:f0:c0,dst=00:25:90:e7:23:94)),set(ipv4(src=10.0.0.0/255.0.0.0,dst=128.0.0.0/128.0.0.0,ttl=62)),ct(commit,zone=3,nat(src=10.250.111.40)),recirc(0xb3)
    ct_state(+new-est-rel-inv+trk),recirc_id(0xb1),in_port(8),packet_type(ns=0,id=0),eth(src=0a:00:00:00:00:03,dst=00:00:00:6b:83:b1),eth_type(0x0800),ipv4(src=10.0.0.2/255.255.254.0,dst=216.58.215.110/224.0.0.0,ttl=64,frag=no), packets:20, bytes:1960, used:0.942s, actions:ct_clear,ct_clear,set(eth(src=00:00:00:73:a8:30,dst=00:00:00:da:6b:85)),set(ipv4(src=10.0.0.0/255.255.254.0,dst=192.0.0.0/224.0.0.0,ttl=63)),ct(zone=2,nat),recirc(0xb2)
    ct_state(-new+est-rel-inv+trk),recirc_id(0xb3),in_port(8),packet_type(ns=0,id=0),eth(src=00:00:00:61:f0:c0,dst=00:25:90:e7:23:94),eth_type(0x0800),ipv4(frag=no), packets:19, bytes:1862, used:0.942s, actions:ct_clear,push_vlan(vid=111,pcp=0),hash(l4(0)),recirc(0x1)
    
    ==================================
    
    # ovs-appctl dpctl/dump-conntrack 
    icmp,orig=(src=10.0.0.2,dst=216.58.215.110,id=246,type=8,code=0),reply=(src=216.58.215.110,dst=10.250.111.40,id=246,type=0,code=0),zone=3