[ovs-discuss] ovs 2.12, dpdk 19.11, vxlan traffic not sent

Michal Bella michal.bella.78 at gmail.com
Fri Feb 28 15:25:12 UTC 2020


Hi,
if anybody can help, I dont see VXLAN traffic sent even if counters for
flowsget increased (marked bold) and port 10 should be sending it (tx
stats go up).I was using ovs 2.5.0 without dpdk and it worked. Just a
side note if anybodycan explain, I dont see with ovs 2.12
vxlan_sys_4789 created in system.
To tell the purpose - I want UDP traffic to udp-port 2123 sent via
VXLAN to userpace, othertraffic should be forwarded between ports 1/2. 
Many thanks,Michal

$> ovs-ofctl dump-flows gtp_br0NXST_FLOW reply (xid=0x4): cookie=0x0,
duration=TM, table=0, n_packets=0, n_bytes=0, idle_age=TM,
priority=10000,in_port=10 actions=resubmit(,2) cookie=0x1, duration=TM,
table=0, n_packets=101990, n_bytes=7241290, idle_age=TM,
priority=1000,udp,tp_dst=2123 actions=resubmit(,1) cookie=0x0,
duration=TM, table=0, n_packets=132, n_bytes=11898, idle_age=TM,
priority=1,in_port=1,dl_src=1c:c1:de:76:e7:c9,dl_dst=d0:67:26:ae:ce:10
actions=output:2 cookie=0x0, duration=TM, table=0, n_packets=9919,
n_bytes=703919, idle_age=TM,
priority=1,in_port=2,dl_src=d0:67:26:ae:ce:10,dl_dst=1c:c1:de:76:e7:c9
actions=output:1 cookie=0x0, duration=TM, table=0, n_packets=132,
n_bytes=15357, idle_age=TM, priority=0 actions=CONTROLLER:65535
cookie=0x0, duration=TM, table=1, n_packets=101990, n_bytes=7241290,
idle_age=TM, actions=output:10 cookie=0x0, duration=TM, table=2,
n_packets=0, n_bytes=0, idle_age=TM,
priority=100,ip,dl_dst=1c:c1:de:76:e7:c9 actions=output:1 cookie=0x0,
duration=TM, table=2, n_packets=0, n_bytes=0, idle_age=TM,
priority=100,ip,dl_dst=d0:67:26:ae:ce:10 actions=output:2
--------------------------------------------------------
$> ovs-vsctl show392baf39-2c66-4136-80a8-95476f88c971    Bridge
"gtp_br0"        Controller
"tcp:127.0.0.1:6653"            is_connected:
true        datapath_type: netdev        Port vtep            Interface
vtep                type: vxlan                options:
{dst_port="4789", key=flow, remote_ip="10.10.12.57"}        Port "dpdk-
p1"            Interface "dpdk-p1"                type:
dpdk                options: {dpdk-devargs="0000:5d:00.1"}        Port
"dpdk-p0"            Interface "dpdk-p0"                type:
dpdk                options: {dpdk-devargs="0000:5d:00.0"}        Port
"gtp_br0"            Interface "gtp_br0"                type:
internal    ovs_version: "2.12.0"
----------------------------------------------
$> ovs-ofctl dump-ports-desc gtp_br0OFPST_PORT_DESC reply (xid=0x2):
1(dpdk-p1):
addr:f4:03:43:c3:a2:68     config:     0     state:      0     current:
    10GB-FD AUTO_NEG     speed: 10000 Mbps now, 0 Mbps max 2(dpdk-p0):
addr:f4:03:43:c3:a2:60     config:     0     state:      0     current:
    10GB-FD AUTO_NEG     speed: 10000 Mbps now, 0 Mbps max 10(vtep):
addr:d6:bb:21:6d:d9:c9     config:     0     state:      0     speed: 0
Mbps now, 0 Mbps max LOCAL(gtp_br0):
addr:f4:03:43:c3:a2:60     config:     0     state:      0     current:
    10MB-FD COPPER     speed: 10 Mbps now, 0 Mbps max
-----------------------------------------------------
ovs-vsctl list interface
vtep                                                                   
                                                                       
                  _uuid               : 08fed2d6-fd02-4e19-a08d-
fad587bb9906admin_state         : upbfd                 :
{}bfd_status          : {}cfm_fault           : []cfm_fault_status    :
[]cfm_flap_count      : []cfm_health          : []cfm_mpid            :
[]cfm_remote_mpids    : []cfm_remote_opstate  : []duplex              :
[]error               : []external_ids        : {}ifindex             :
125ingress_policing_burst: 0ingress_policing_rate:
0lacp_current        : []link_resets         : 0link_speed          :
[]link_state          : uplldp                : {}mac                 :
[]mac_in_use          : "d6:bb:21:6d:d9:c9"mtu                 :
[]mtu_request         : []name                :
vtepofport              : 10ofport_request      :
10options             : {dst_port="4789", key=flow,
remote_ip="10.10.12.57"}other_config        : {}statistics          :
{rx_bytes=0, rx_packets=0, tx_bytes=7718370,
tx_packets=108621}status              : {tunnel_egress_iface="br0",
tunnel_egress_iface_carrier=up}type                : vxlan
----------------------------------------------------------------------
$> ovs-appctl dpctl/dump-flows | grep
2123recirc_id(0),in_port(3),packet_type(ns=0,id=0),
\  eth(src=d0:67:26:ae:ce:10,dst=1c:c1:de:76:e7:c9),\  eth_type(0x0800)
,ipv4(src=192.168.100.1/128.0.0.0,\  dst=192.168.100.2/128.0.0.0,proto=
17,tos=0/0x3,frag=no),\  udp(dst=2123), packets:170365, bytes:12095915,
used:0.009s, actions:drop
-----------------------------------
$> ping 10.10.12.57PING 10.10.12.57 (10.10.12.57) 56(84) bytes of
data.64 bytes from 10.10.12.57: icmp_seq=1 ttl=64 time=0.148 ms
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