[ovs-discuss] OVS dump-ports getting errors while traffic flowing

[Ben Pfaff]

Do you also see such large error counts from "ifconfig"?

On Tue, Jun 16, 2015 at 01:00:13PM +0000, jayachandran.subramanian at wipro.com wrote:
> Hi ,
> 
> We have brought up topology as below with OpenVSwitch 2.3.9 /DPDK enabled .
> 
> Sending 128 bytes of frame as bidirectional from Agilent N2X(traffic generator) and observed that , in OVS we have found many errors(marked in red colour) in dump-ports.
> 
> [cid:image002.png at 01D0A862.7AF5B9D0]
> 
> [root at Sodium ~]# ovs-ofctl dump-ports br0
> OFPST_PORT reply (xid=0x2): 7 ports
>   port 82: rx pkts=205811668, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=1161555867, bytes=?, drop=10352, errs=?, coll=?
>   port  1: rx pkts=217870588, bytes=13943718072, drop=0, errs=432724934, frame=0, over=0, crc=0
>            tx pkts=1161547090, bytes=74339015288, drop=1438, errs=0, coll=0
>   port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
>            tx pkts=28, bytes=3096, drop=0, errs=0, coll=0
>   port 83: rx pkts=1161548507, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=217868276, bytes=?, drop=2333, errs=?, coll=?
>   port  2: rx pkts=1180330673, bytes=75541163410, drop=0, errs=605287882, frame=0, over=0, crc=0
>            tx pkts=205805599, bytes=13171559788, drop=0, errs=0, coll=0
>   port 81: rx pkts=1161566219, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=205810764, bytes=?, drop=918, errs=?, coll=?
>   port 80: rx pkts=205805578, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=1180319172, bytes=?, drop=11522, errs=?, coll=?
> [root at Sodium ~]#
> 
> PFA logs attached for your ref . Please let me know , is it OVS capable of supporting 1 gig throughput and let me know to resolve these errors.
> 
> Thanks
> Jayachandran S
> 
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> [root at Sodium ~]# ovs-ofctl dump-ports br0
> OFPST_PORT reply (xid=0x2): 7 ports
>   port 82: rx pkts=205811668, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=1161555867, bytes=?, drop=10352, errs=?, coll=?
>   port  1: rx pkts=217870588, bytes=13943718072, drop=0, errs=432724934, frame=0, over=0, crc=0
>            tx pkts=1161547090, bytes=74339015288, drop=1438, errs=0, coll=0
>   port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
>            tx pkts=28, bytes=3096, drop=0, errs=0, coll=0
>   port 83: rx pkts=1161548507, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=217868276, bytes=?, drop=2333, errs=?, coll=?
>   port  2: rx pkts=1180330673, bytes=75541163410, drop=0, errs=605287882, frame=0, over=0, crc=0
>            tx pkts=205805599, bytes=13171559788, drop=0, errs=0, coll=0
>   port 81: rx pkts=1161566219, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=205810764, bytes=?, drop=918, errs=?, coll=?
>   port 80: rx pkts=205805578, bytes=?, drop=?, errs=?, frame=?, over=?, crc=?
>            tx pkts=1180319172, bytes=?, drop=11522, errs=?, coll=?
> [root at Sodium ~]#
> 
> 
> [root at Sodium ~]# ovs-vsctl show
> 4d8805c0-fee8-4ab5-91da-8b946b9d5e09
>     Bridge "br0"
>         Port "dpdk1"
>             Interface "dpdk1"
>                 type: dpdk
>         Port "br0"
>             Interface "br0"
>                 type: internal
>         Port "dpdk0"
>             Interface "dpdk0"
>                 type: dpdk
>         Port "vnet0"
>             Interface "vnet0"
>                 type: dpdkvhost
>         Port "vnet3"
>             Interface "vnet3"
>                 type: dpdkvhost
>         Port "vnet1"
>             Interface "vnet1"
>                 type: dpdkvhost
>         Port "vnet4"
>             Interface "vnet4"
>                 type: dpdkvhost
> [root at Sodium ~]#
> 
> 
> [root at Sodium ~]# ovs-ofctl dump-flows br0
> NXST_FLOW reply (xid=0x4):
>  cookie=0x0, duration=5277.175s, table=0, n_packets=1199310196, n_bytes=74374229452, idle_age=0, in_port=81 actions=output:82
>  cookie=0x0, duration=5268.535s, table=0, n_packets=243555755, n_bytes=17028969136, idle_age=0, in_port=82 actions=output:81
>  cookie=0x0, duration=5200.014s, table=0, n_packets=1218075889, n_bytes=75500247426, idle_age=0, in_port=2 actions=output:80
>  cookie=0x0, duration=5192.145s, table=0, n_packets=243549059, n_bytes=17028526376, idle_age=0, in_port=80 actions=output:2
>  cookie=0x0, duration=5182.171s, table=0, n_packets=255615800, n_bytes=17752641932, idle_age=0, in_port=1 actions=output:83
>  cookie=0x0, duration=5172.287s, table=0, n_packets=1199292148, n_bytes=74373121978, idle_age=0, in_port=83 actions=output:1
> [root at Sodium ~]#
> [root at Sodium ~]#

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