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Cisco Bug: CSCuj51372 - MacLearning not occuring for a group of 24 ports on 3850

Last Modified

Oct 23, 2019

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases


Description (partial)

In some rare circumstances, it has been seen Mac Learning is not occurring for either ports 1-24 or ports 25-48 on one member switch of a stacked 3850.
Traffic will flow through the ports.  L2 traffic flooding will work.

Issue is seen with IOS-XE 3.2.2, 3.2.3 and 3.3.0
shut/no shut of the affected ports will not enable learning.

Related Community Discussions

<key>CSCuj51372</key> - MacLearning not occuring for a group of 24 ports on 3850
Is there any timeframe of when this bug will be fixed? I have a customer that is wanting to know.
Latest activity: Feb 10, 2014
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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