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Cisco Bug: CSCuo02385 - 4500 reset due to a timing issue within the removal of this static route

Last Modified

Jun 12, 2020

Products (93)

  • Cisco IOS
  • Cisco Catalyst 2960C-8TC-S Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Catalyst 3560X-48U-S Switch
  • Cisco Catalyst 2960C-12PC-L Switch
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 2960S-F48FPS-L Switch
  • Cisco Catalyst 2960-Plus 48TC-S Switch
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Known Affected Releases

15.2(1)E

Description (partial)

Symptom:
Customer had a removal of the static route (in this customer's case it was a script attempting to remove it twice at nearly the same instant), and as a result the structure is freed before it can be referenced, and as a result it crashed.

Conditions:
C4500
152-1.E
Commands entered at the time of the crash is "no ip route" twice.
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