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Cisco Bug: CSCup26013 - N9K DHCP Offer drop when passing through switch

Last Modified

Mar 06, 2018

Products (5)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I2(1) 6.1(2)I2(2)

Description (partial)

Symptom:
DHCP packets getting punted to CPU without DHCP feature enabled.
This is done because POAP uses the same feature

Conditions:
DHCP unicast response from the server connected to a 40G port on TOR trying to VXLAN encapsulate leave via another 40G port.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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