How to disable IPv6 on interfaces in Red Hat OpenStack via Director ?

Solution Verified - Updated -

Issue

  • ipv6 cannot be disabled by default
  • How to disable ipv6 completely in Red Hat OpenStack?
  • ironic_pxe_tftp container not working on director undercloud after disabling ipv6
Jun 05 00:07:33 osdirector.xxx.com in.tftpd[636609]: cannot open IPv6 socket, disable IPv6: Address family not supported by protocol
Jun 05 00:07:33 osdirector.xxx.com in.tftpd[636609]: Cannot set nonblock flag on socket: Bad file descriptor

Environment

  • Red HatOpenStack 10 ,11 , 13, 16
  • RHEL 7.x

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