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Cisco Bug: CSCus62350 - remains in LRN state after adding MST instance to connected switch

Last Modified

Mar 01, 2018

Products (150)

  • Cisco Catalyst 2960-S Series Switches
  • Cisco IE 2000-4T-G Industrial Ethernet Switch
  • Cisco Embedded Service 2020 24TC NCP B Switch
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Embedded Service 2020 CON B Switch
  • Cisco Catalyst 2960X-24PD-L Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 2960C-12PC-L Switch
  • Cisco IE 2000-16TC-G Industrial Ethernet Switch
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Known Affected Releases


Description (partial)

The port state remains in LRN state after adding MST instance to connected switch.

When a MST instance is added to a switch that connected to a stacked switch,
the port state of this switch remains in LRN state permanently.

This issue is seen when C2960S or C3750X is stacked. It may be seen on ther stacked switches.
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Bug Details Include

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