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Repeated Cluster Network Degraded alerts reported due to error/illegal symbol

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Category:
ontap-9
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HW
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Applies to

  • ONTAP 9
  • Cluster Switch
  • FAS/AFF System

Issue

  • Receiving multiple CLUSTER NETWORK DEGRADED messages in EMS

Call home for CLUSTER NETWORK DEGRADED: Large MTU Packet Loss - Ping failures detected between CLUSTER01-02_clus2 ( xx.xx.xx.xx ) on CLUSTER01-02 and CLUSTER01-01_clus1 ( xx.xx.xx.xx ) on CLUSTER01-01

  • Increasing Error/Illegal Symbol on Cluster ports
-- interface  e0a  (544 days, 7 hours, 53 minutes, 4 seconds) --

RECEIVE
 Total frames:     1959m | Frames/second:      42  | Total bytes:      1676g
 Bytes/second:    35646  | Total errors:    55036  | Errors/minute:       0 
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:  9487k
 Non-primary u/c:     0  | CRC errors:          0  | Runt frames:         0 
 Fragment:            0  | Long frames:         0  | Jabber:          40883 
 Length errors:   14153  | No buffer:           0  | Xon:                 0 
 Xoff:                0  | Pause:               0  | Jumbo:             128m
 Noproto:             0  | Error symbol:    23485k | Illegal symbol:  18435k

 

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