Preview Tool

Cisco Bug: CSCvs08193 - N9k :: ERSPAN encapsulated traffic misses vlan information

Last Modified

Jan 23, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

The encapsulated ERSPAN traffic received at the collector misses the vlan information.
The VLAN info is missing for L2 traffic spanned in the TX direction, the L2 traffic spanned in the RX direction contains the VLAN informaiton

* ERSPAN configured.
* The spanned traffic is L2 in TX direction
* ERSPAN destination is reachable via L2 ACCESS PORT.
  The issue is not seen if the ERSPAN destination is reachable via trunk
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.