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ClusterIfInErrorsWarn_Alert due to MTU size mismatch

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Category:
ontap-9
Specialty:
metrocluster
Last Updated:

Applies to

  • ONTAP 9
  • Cisco Switch

Issue

  • ClusterIfInErrorsWarn_Alert is seen in SYSTEM-HEALTH-ALERT.XML in AutoSupport. 
  • Also following message is seen in description section.

The percentage of inbound packet errors of switch interface "xxx(yyy)/EthernetAA/BB" is above the warning threshold.

  • giants counter keep increasing along with input error counter on Switch.

Example :

Ethernet1/19 is up
..
MTU 1500 bytes, BW 100000000 Kbit , DLY 10 usec
..
RX
47787317 unicast packets 392683 multicast packets 402426 broadcast packets
48770167 input packets 12405023580 bytes
210742 jumbo packets 0 storm suppression bytes
0 runts 187741 giants 0 CRC 0 no buffer
187740 input error 0 short frame 0 overrun 0 underrun 0 ignored
0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop

  • No other errors are seen in counters.

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