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Cisco Bug: CSCvs35646 - 9800 deleting client entry upon receiving 2nd DHCP Ack from the DHCP server

Last Modified

Jan 14, 2020

Products (6)

  • Cisco IOS
  • Cisco Catalyst 9800-40 Wireless Controller
  • Cisco Catalyst 9800-L-C Wireless Controller
  • Cisco Catalyst 9800-L-F Wireless Controller
  • Cisco Catalyst 9800-80 Wireless Controller
  • Cisco Catalyst 9800-CL Wireless Controller for Cloud

Known Affected Releases

16.12.1s

Description (partial)

Symptom:
9800 deleting client entry upon receiving 2nd DHCP Ack from the DHCP server

Conditions:
Details of the Scenario:
9800 with 16.12.1sES1 Image with AP4800 in Local mode.
SVI with 2 ip-helper addresses say IP1 & IP2
DHCP Server running on both IP1 and IP2 with exact same DHCP pool
Customer has info block.
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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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