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Cisco Bug: CSCvu11175 - N9K/FEX: Sup bound traffic coming from FEX HIF dropped in LCND

Last Modified

Jul 20, 2020

Products (65)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 93600CD-GX Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 3636C-R Switch
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 92348GC-X Switch
  • Cisco Nexus 3132Q-V Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 92304QC Switch
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Known Affected Releases

9.3(4)

Description (partial)

Symptom:
If Cisco Nexus 9000 switch with straight through FEX has port-channels removed under HIFs and re-added with different port-channel number, traffic coming from host and destined to switch CPU(such as ARP/ICMP etc) will be dropped

Conditions:
Straight through FEX has port-channels removed under HIFs and re-added with different port-channel number. This removal should happen when FEX is powered down.
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Bug Details Include

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