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Cisco Bug: CSCuj48700 - IPDT: Crash due to dot1x authentication with device tracking

Last Modified

Jan 23, 2017

Products (165)

  • Cisco IOS
  • Cisco Catalyst 3560-12PC-S Compact Switch
  • Cisco Catalyst 3750V2-24PS Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 3560E-48PD-E Switch
  • Cisco Catalyst 2960S-F48FPS-L Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 3560E-12D-E Switch
  • Cisco Catalyst 3560G-48PS Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
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Known Affected Releases

15.0(2)SE2 15.2(2)E

Description (partial)

Unexpected reboot when using dot1x authentication with device tracking.

dot1x  with authentication is enabled. If "ip device tracking probe delay <nr>" is configured and the switch is operating near to the max IPDT limit (2048 hosts), there is a small chance that a host my have its delay timer started, but freed before it has expired (due to making space for a new host entry).
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