[ovs-discuss] Packet order mismatch between the interfaces

Murali Kandula muralispruce at gmail.com
Tue Aug 11 00:39:32 UTC 2015

The command "ovs-dpctl dump-flows" isn't showing anything. Attached are the
tcpdump pcap files.

ovs-ofctl dump-flows br0
NXST_FLOW reply (xid=0x4):
 cookie=0x0, duration=51922.609s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_dst=00:0c:29:21:62:f7 actions=drop
 cookie=0x0, duration=51922.540s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_dst=00:0c:29:21:62:15 actions=drop
 cookie=0x0, duration=51922.565s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_dst=00:0c:29:21:62:0b actions=drop
 cookie=0x0, duration=51922.581s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_dst=00:0c:29:21:62:01 actions=drop
 cookie=0x0, duration=51917.693s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, priority=0 actions=drop
 cookie=0x0, duration=51922.553s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_src=00:0c:29:21:62:15 actions=drop
 cookie=0x0, duration=51922.569s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_src=00:0c:29:21:62:0b actions=drop
 cookie=0x0, duration=51922.586s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_src=00:0c:29:21:62:01 actions=drop
 cookie=0x0, duration=51922.620s, table=0, n_packets=0, n_bytes=0,
idle_age=65534, dl_src=00:0c:29:21:62:f7 actions=drop
 cookie=0x0, duration=24652.537s, table=0, n_packets=1307, n_bytes=165936,
idle_age=207, priority=10,in_port=1 actions=FLOOD

On Mon, Aug 10, 2015 at 8:18 PM, Abhishek Verma <abhishekv.verma at gmail.com>

> This should ordinarily not happen. Can you mail tcpdump outputs where
> youre seeing this?
> Can you also send the output of ovs-dpctl dump-flows along with that.
> On Tue, Aug 11, 2015 at 5:39 AM, Murali Kandula <muralispruce at gmail.com>
> wrote:
>> Hello All,
>> I am a newbie in openvswitch. I captured the packets at the both the
>> interfaces eth2 and veth1 and observed that packet order is not same. For
>> example let's consider the tcp packets (SYN, SYN_ACK, ACK). At the eth2
>> interface the packet are correct but at the veth1 interface the packet
>> order is changed to SYN, ACK and SYN_ACK.
>> ovs-ofctl dump-ports-desc br0
>>  1(eth2): addr
>>      config:     0
>>      state:      0
>>      current:    1GB-FD COPPER AUTO_NEG
>>      advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
>>      supported:  10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
>>      speed: 1000 Mbps now, 1000 Mbps max
>>  2(veth0): addr:
>>      config:     0
>>      state:      0
>>      current:    10GB-FD COPPER
>>      speed: 10000 Mbps now, 0 Mbps max
>>  LOCAL(br0): addr:
>>      config:     PORT_DOWN
>>      state:      LINK_DOWN
>>      speed: 0 Mbps now, 0 Mbps max
>> cookie=0x0, duration=25551.309s, table=0, n_packets=25485,
>> n_bytes=5694083, idle_age=319, priority=10,in_port=1 actions=FLOOD
>> Please let me know what is the issue.
>> Thanks
>> _______________________________________________
>> discuss mailing list
>> discuss at openvswitch.org
>> http://openvswitch.org/mailman/listinfo/discuss
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