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Cisco Bug: CSCta39338 - 2960/3560 dual media port send UDLD frame despite copper mode.

Last Modified

Jan 29, 2017

Products (51)

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


Description (partial)

A dual media port sends UDLD frames despite that it is a copper connected.
UDLD is enabled on global config only , affect to dual purpose port.
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