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MTUの不一致が原因でvifmgr.cluscheck.crcerrorsアラートとifstatが長いフレームを受信

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ontap-9
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nas
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環境

  • ONTAP 9
  • ネットワーク
    • 最大伝送ユニット(MTU)

問題

  • ifstat ポートが長いフレームを受信していることを示します。

::>system node run -node Node1 -command ifstat e1d
-- interface  e1d  (5 days, 13 hours, 44 minutes, 30 seconds) --
RECEIVE
 Total frames:    438k | Frames/second:     1  | Total bytes:    32232k
 Bytes/second:     67  | Total errors:   32047 | Errors/minute:     4 
 Total discards:    0  | Discards/minute:    0  | Multi/broadcast:   561k
 Non-primary u/c:    0  | CRC errors:      0  | Runt frames:      0 
 Long frames:    32047 | Length errors:     0  | Alignment errors:   0 
 No buffer:       0  | Pause:         0  | Jumbo:         0 
 Noproto:        0  | Bus overruns:     0  | LRO segments:     0 
 ...

  • ONTAPのバージョンに応じて、次のいずれかのイベントが繰り返しEMSに記録されます。
    • [Node1: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port e1d on node Node1 is reporting a high number of observed CRC errors.
    • [Node1: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port e1d on node Node1 is reporting a high number of observed hardware errors, possibly CRC errors.
    • [Node1: vifmgr: vifmgr.cluscheck.hwerrors:alert]: Port e1d on node Node1 is reporting a high number (at least 1 per 1000 packets) of observed hardware errors (CRC, length, alignment, dropped).
  • スイッチポートが長いフレームを送信しています

switch# show interface eth0/10
Ethernet0/10 is up
  RX
   0 jumbo packets  0 storm suppression bytes
 TX
  32047 jumbo packets

 

 

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