RHEL8: TCP encapsulated in UDP tunnel is dropped on vmxnet3 adapters

Solution In Progress - Updated -

Issue

vxlan on vmxnet3 in RHEL8.3 might cause TCP packet length to be calculated wrong in vxlan frames.

Environment

  • Red Hat Enterprise Linux 8.3 (RHEL)
  • vmxnet3 adapter with UDP tunnel such as vxlan or GRE

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content