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CRC errors increase on a single port due to a loose connection

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hw
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Applies to

  • ONTAP 9
  • FAS/AFF

Issue

  • CRC errors increment on a NIC port.

cluster::> node run -node <node> -command ifstat e8a

-- interface  e8a  (5 days, 22 hours, 58 minutes, 41 seconds) --

RECEIVE
 Total frames:      848m | Frames/second:    1649  | Total bytes:      2425g
 Bytes/second:     4711k | Total errors:     2254k | Errors/minute:     263 
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:   299k
 Non-primary u/c:     0  | CRC errors:       2247k | Runt frames:         0 

  • Counters keep on increasing after clearing it using the below command:

cluster::> node run -node <node> -command ifstat -z <port>

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