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Cisco Bug: CSCul00921 - Some 2960 switches do not support IOS versions earlier than 12.2(52)SE

Last Modified

Apr 17, 2019

Products (72)

  • Cisco Catalyst 2960 Series Switches
  • Cisco Catalyst 2960-24TC-L Switch
  • Cisco Catalyst 3560E-48PD-E Switch
  • Cisco Catalyst 3750V2-24PS Switch
  • Cisco Catalyst 2960-48TT-S Switch
  • Cisco Catalyst 3560E-12D-E Switch
  • Cisco Catalyst 3560E-24TD-S Switch
  • Cisco Catalyst 3560G-48PS Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
  • Cisco Catalyst 3560-12PC-S Compact Switch
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Known Affected Releases

12.2(35)SE 12.2(44)SE 12.2(50)SE5 15.2(4.1.1)

Description (partial)

Symptom:
Some 2960 switches cannot run IOS version older than 12.2(52)SE.
Error messages similar to below might be seen,

% Crashinfo may not be  recovered at flash:crashinfo
 % This file system device reports an error
  Switch#show fla
                    % Invalid input detected at '^' marker.

Conditions:
IOS versions earlier than 12.2(52)SE
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
  • Related Community Discussions
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