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Cisco Bug: CSCtb82729 - Catalyst3750 multicast traffic forwarded between protected ports

Last Modified

Jan 28, 2017

Products (96)

  • Cisco Catalyst 3750 Series Switches
  • Cisco Catalyst 3560-12PC-S Compact Switch
  • Cisco Catalyst 3560E-48PD-E Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
  • Cisco ME 3400EG-2CS-A Switch
  • Cisco Catalyst 2960G-24TC-L Switch
  • Cisco Catalyst 3560E-24TD-S Switch
  • Cisco Catalyst 3560G-48PS Switch
  • Cisco Catalyst 2960-24-S Switch
  • Cisco Catalyst 3750V2-24PS Switch
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Known Affected Releases


Description (partial)

With "protected port" feature enabled, multicast traffic is forwarded between protected ports.

For multicast traffic. For Unicast traffic it works normally.
This problem does not occur with 12.2(25)SEE.
This problem occurs with 12.2(50)SE3.
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Bug Details Include

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