diff --git a/doc/source/deploy/kubernetes/common-components.rst b/doc/source/deploy/kubernetes/common-components.rst index 8e35b3d6e..2b5438692 100644 --- a/doc/source/deploy/kubernetes/common-components.rst +++ b/doc/source/deploy/kubernetes/common-components.rst @@ -146,16 +146,21 @@ A number of components are common to most |prod| deployment configurations. An *optional* network over which nodes net boot from controllers. By default, controllers network boot other nodes over the management - network. This network is required for a variety of special case situations + network. The PxeBoot network is required for a variety of special case situations where the management network cannot be used to boot the other nodes: - - The management network must be IPv6. IPv4 pxeboot network must be - configured since IPv6 does not support pxeboot. + - When the management network must be IPv6, an IPv4 PxeBoot network must be + configured since IPv6 does not support PxeBoot. In this case, the + management network also needs to be vlan tagged. - - The management network must be vlan tagged. Most servers' BIOS do not - support pxebooting over a tagged network, so an untagged pxeboot + - When the management network must be vlan tagged, most servers' BIOS do not + support pxebooting over a tagged network, so an untagged PxeBoot network must be configured. + - If the system is dual-stack (IPv4 and IPv6) and IPv6 is chosen as the + primary address pool family. To identify the primary pool, see + :ref:`dual-stack-support-318550fd91b5`. + **Node Interfaces** In general, node network interfaces can optionally be: