When dhclient assigns an IPv6 address learned via DHCPv6 it always does so with a /64 prefix

Solution In Progress - Updated -

Issue

  • IPv6 routing does not work as expected when using the legacy network service scripts and a network range other than /64, such as /96 or /112.
  • No matter what, when DHCPV6C=yes is set in an ifcfg file, the DHCPv6 address provided by the lease is assigned with a /64 prefix:

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • network service scripts
  • dhclient
  • DHCPv6

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

New to Red Hat?

Learn more about Red Hat subscriptions

Close

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