Why does my MTU reset to 1500 on my IPv6 network when I'm using JumboFrames?

Solution Verified - Updated -

Issue

  • When upgrading or utilizing IPv6 and attempting to set a larger MTU on an interface or VLAN, why does the MTU continue to be reset back to 1500?

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 4
  • IPv6

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