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

jayachandran.subramanian at wipro.com jayachandran.subramanian at wipro.com
Tue Jun 16 13:00:13 UTC 2015


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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