Preview Tool

Cisco Bug: CSCte17096 - Cat6k doesn't pass VLAN-bridge BPDU's when received on ISL trunk

Last Modified

Jan 31, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases


Description (partial)

When a Cat6K switch receives vlan bridge BPDU's on an layer 2 ISL trunk from non-Cat6K family switches, it doesn't always flood them to other ports in that vlan.

* Cat6K connected to a non-Cat6K family switch/router
* Layer 2 ISL trunk is used to connect the devices
* Vlan Br STP mode is used on the peer device
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.