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Cisco Bug: CSCup86619 - Port err-disable after link-flap with "speed nonegotiate" option.

Last Modified

Aug 11, 2017

Products (137)

  • Cisco Catalyst 3750-X Series Switches
  • Cisco Catalyst 3750V2-24FS Switch
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 2960S-F48FPS-L Switch
  • Cisco Catalyst 3560E-48PD-E Switch
  • Cisco Catalyst 2960C-12PC-L Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 3560E-24TD-S Switch
  • Cisco Catalyst 2960-48TT-S Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
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Known Affected Releases

15.0(2)SE

Description (partial)

Symptom:
Interface step into err-disable due to link flap. Interfaces even not connect any link.

Conditions:
this happens when we configure Speed nonegotiate on a GigabitEthernet Fiber interface.
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