0

please advice what could be the root cause for dropped problem as the following: ( dropped 2201101 ) on Linux red-hat 7.1

    eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
    inet 12.196.92.19  netmask 255.255.255.0  broadcast 12.196.92.255
    ether 01:j0:56:9f:01:2d  txqueuelen 1000  (Ethernet)
    RX packets 232527230  bytes 1889668645608 (1.7 TiB)
    RX errors 0  dropped 2201101  overruns 0  frame 0
    TX packets 197267008  bytes 455540267580 (424.2 GiB)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0



  ethtool -S eth1
  NIC statistics:
  Tx Queue#: 0
     TSO pkts tx: 0
     TSO bytes tx: 0
     ucast pkts tx: 27261
     ucast bytes tx: 5684138
     mcast pkts tx: 0
     mcast bytes tx: 0
     bcast pkts tx: 6
     bcast bytes tx: 252
     pkts tx err: 0
     pkts tx discard: 0
     drv dropped tx total: 0
       too many frags: 0
       giant hdr: 0
       hdr err: 0
       tso: 0
     ring full: 0
     pkts linearized: 0
     hdr cloned: 0
     giant hdr: 0
    Tx Queue#: 1
      TSO pkts tx: 0
      TSO bytes tx: 0
      ucast pkts tx: 138
      ucast bytes tx: 12312
      mcast pkts tx: 0
      mcast bytes tx: 0
      bcast pkts tx: 0
      bcast bytes tx: 0
      pkts tx err: 0
      pkts tx discard: 0
      drv dropped tx total: 0
         too many frags: 0
         giant hdr: 0
         hdr err: 0
         tso: 0
      ring full: 0
      pkts linearized: 0
      hdr cloned: 0
      giant hdr: 0
    Rx Queue#: 0
      LRO pkts rx: 0
      LRO byte rx: 0
      ucast pkts rx: 123
      ucast bytes rx: 10936
      mcast pkts rx: 0
      mcast bytes rx: 0
      bcast pkts rx: 13496
      bcast bytes rx: 859036
      pkts rx OOB: 0
      pkts rx err: 0
     drv dropped rx total: 0
        err: 0
       fcs: 0
       rx buf alloc fail: 0
      Rx Queue#: 1
      LRO pkts rx: 2613
      LRO byte rx: 40902978
      ucast pkts rx: 27979
      ucast bytes rx: 128670918
      mcast pkts rx: 0
      mcast bytes rx: 0
      bcast pkts rx: 255
      bcast bytes rx: 34445
      pkts rx OOB: 0
      pkts rx err: 0
      drv dropped rx total: 0
      err: 0
      fcs: 0
      rx buf alloc fail: 0
      tx timeout count: 0
4
  • Solar flares would be my guess
    – user9517
    Mar 8, 2016 at 15:18
  • can you advice, what is Solar flares?
    – yael
    Mar 8, 2016 at 15:28
  • is this patch that need to install or maybe configuration in the network files??
    – yael
    Mar 8, 2016 at 15:48
  • I find it --> unzip SF‐107601‐LS‐<version>_Solarflare_Linux_Utilities_RPM_64bit.zip , can I installed it on VM machine ?? ,
    – yael
    Mar 8, 2016 at 16:25

1 Answer 1

0

You can get list of drop and errors causes with their counters using the following command (show interface statistics):

$ ethtool -S eth1
1
  • I run the ethtool , as you see here , but how to identify the problem from the output?
    – yael
    Mar 8, 2016 at 14:38

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.