diff --git a/modules/install-osp-deploy-dualstack.adoc b/modules/install-osp-deploy-dualstack.adoc index 3c14d78f1a..9a718a9f8a 100644 --- a/modules/install-osp-deploy-dualstack.adoc +++ b/modules/install-osp-deploy-dualstack.adoc @@ -138,4 +138,30 @@ platform: <4> Specify the dual-stack network details that are used by all the nodes across the cluster. <5> The CIDR of any subnet specified in this field must match the CIDRs listed on `networks.machineNetwork`. <6> You can specify a value for either `name` or `id`, or both. -<7> Specifying the `network` under the `ControlPlanePort` field is optional. \ No newline at end of file +<7> Specifying the `network` under the `ControlPlanePort` field is optional. + +[NOTE] +==== +When using an installation host in an isolated dual-stack network, the IPv6 address may not be reassigned correctly upon reboot. + +To resolve this problem on {op-system-base-full} 8, create a file called `/etc/NetworkManager/system-connections/required-rhel8-ipv6.conf` that contains the following configuration: + +[source,text] +---- +[connection] +type=ethernet +[ipv6] +addr-gen-mode=eui64 +method=auto +---- + +To resolve this problem on {op-system-base} 9, create a file called `/etc/NetworkManager/conf.d/required-rhel9-ipv6.conf` that contains the following configuration: + +[source,text] +---- +[connection] +ipv6.addr-gen-mode=0 +---- + +After you create and edit the file, reboot the installation host. +==== \ No newline at end of file diff --git a/modules/install-osp-dualstack.adoc b/modules/install-osp-dualstack.adoc index e6c259436a..7921f9af63 100644 --- a/modules/install-osp-dualstack.adoc +++ b/modules/install-osp-dualstack.adoc @@ -3,7 +3,7 @@ // * installing/installing_openstack/installing-openstack-installer-custom.adoc :_mod-docs-content-type: CONCEPT [id="install-osp-dualstack_{context}"] -= Optional: Configuring a cluster with dual-stack networking += Configuring a cluster with dual-stack networking :FeatureName: Dual-stack configuration for OpenStack