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Link flapping on Intel 40Gb NIC connecting to Cisco Nexus 5696

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Applies to

  • AFF A700
  • ONTAP 9.7P4
  • X91440A  - 10/40 Gigabit Ethernet Controller XL710 QSFP+
  • Cisco Nexus 5696
  • NX-OS 7.3(3)N1(1)

Issue

  • Link flapping is reported by ONTAP
Wed Sep 23 03:19:01 +0200 [node-01: kernel: netif.linkDown:info]: Ethernet e4e: Link down, check cable.
Wed Sep 23 03:19:01 +0200 [node-01: kernel: netif.linkUp:info]: Ethernet e4e: Link up.
  • No link flapping is reported on the corresponding switch port
  • Issue persists after replacement of SFPs/cable

 

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