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Cisco Bug: CSCuo56514 - In VPC+ N55xx ARP reply may be sourced from SID, rather then ESID

Last Modified

Jan 29, 2017

Products (8)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

7.0(0)N1(1) 7.0(1)N1(1)

Description (partial)

While running FHRP on FabricPath spine chassis, you may encounter intermittent traffic drops. This should not affect intra-vlan traffic forwarding.This bug is seen only in Nexus 55xx platforms and NOT seen in Nexus 5600/6000 series switches.

This issue may happen under next conditions: 
*** spine switches are running FHRP;
*** spine switches are running VPC+, thus vIP/vMAC bound to Emulated Switch ID (ESID).
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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