Cannot setup IPv6 network with IPv4 as Dual-Stack network on OpenStack.

Solution Verified - Updated -

Issue

  • To use IPv4 and 6 address on Instance, we created two network and attached to the instance, one is for IPv4 and another is for IPv6.
  • Using flat networking connected to external gateway box which will do NAT for IPv4 IPs and routing for IPv6 IPs.
  • Instance cannot access to external network with IPv6 and external gateway cannot see IPv6 address on Instances.
  • How can we setup IPv6 network ?
  1. How can we setup Dual stack external network marging IPv4 network with IPv6 ?
  2. How can we set IPv4 and IPv6 to eth0 on Instance?

Environment

  • Red Hat OpenStack Platform 7.0

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