How to increase KVM hypervisor device transmit queue?

Solution Verified - Updated -

Issue

  • How to increase KVM hypervisor device transmit queue?
  • How can the vnet device txqueuelen be increased to persist across reboots?

Environment

  • Red Hat Enterprise Linux
  • KVM virtualization
  • tuntap device named vnet in bridged network configuration

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.