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EMS Event」netif.tcp.conn.bad.checksum"を参照してください

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nas<a>2009322571</a>
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環境

ONTAP 9

問題

  • 次のEMSメッセージが表示されます。
Mon Sep 26 02:09:05 +0900 [node01: kernel: netif.tcp.conn.bad.checksum:error]: TCP packet with bad checksum detected on port e0c. The packet arrived on connection with source address xx.xx.xx.xx and destination_address xx.xx.x.xx.
  • 不正なTCP cksumも、のポートで増加しています ::> system node run -node node_name -command ifstat port_name

-- interface  e0c  (40 days, 5 hours, 34 minutes, 37 seconds) --
RECEIVE
Total frames:     2047m | Frames/second:     589  | Total bytes:      2625g
Bytes/second:      755k | Total errors:        0  | Errors/minute:       0
...
LRO bytes:        2527g | LRO6 segments:       0  | LRO6 bytes:          0
 Bad UDP cksum:       0  | Bad UDP6 cksum:      0  | Bad TCP cksum:      21
 Bad TCP6 cksum:      0  | Mcast v6 solicit:    0  | Lagg errors:         0
...

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