Preview Tool

Cisco Bug: CSCvt95680 - Unexpected Reload when a VLAN is created within the range 2-1002

Last Modified

Sep 10, 2020

Products (1)

  • Cisco Catalyst 9600 Series Switches

Known Affected Releases

17.3.1 17.4.1 Bengaluru-17.4.1

Description (partial)

Unexpected reload when there is a lot of activity in the STP topology.  This issue occurs when the system is under severe stress from STP updates.  This stress can result in a crash due to incorrect handling of STP Crimson Updates.

Multiple STP Crimson updates which include shut/no shut of interfaces and VLAN addition/deletion.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.