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docs/doc/source/planning/kubernetes/shared-vlan-or-multi-netted-ethernet-interfaces.rst
Stone e8d36f6507 Planning guide
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Signed-off-by: Stone <ronald.stone@windriver.com>
Change-Id: I1f5fc7a7747098090a4ac7fd84558c27c959804f
Signed-off-by: Stone <ronald.stone@windriver.com>
2020-12-31 14:28:49 -05:00

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.. rei1552671031876
.. _shared-vlan-or-multi-netted-ethernet-interfaces:
===================================================
Shared \(VLAN or Multi-Netted\) Ethernet Interfaces
===================================================
The management, |OAM|, cluster host, and other networks for container workload
external connectivity, can share Ethernet or aggregated Ethernet interfaces
using |VLAN| tagging or IP Multi-Netting.
The |OAM| internal management cluster host, and other external networks, can
use |VLAN| tagging or IP Multi-Netting, allowing them to share an Ethernet or
aggregated Ethernet interface with other networks. If the internal management
network is implemented as a |VLAN|-tagged network then it must be on the same
physical interface used for |PXE| booting.
The following arrangements are possible:
.. _shared-vlan-or-multi-netted-ethernet-interfaces-ul-y5k-zg2-zq:
- One interface for the internal management network and internal cluster host
network using multi-netting, and another interface for |OAM| \(on which
container workloads are exposed externally\). This is the default
configuration.
- One interface for the internal management network and another interface for
the external |OAM| and external cluster host \(on which container workloads
are exposed externally\) networks. Both are implemented using |VLAN|
tagging.
- One interface for the internal management network, another interface for
the external |OAM| network, and a third for an external cluster host
network \(on which container workloads are exposed externally\).
- One interface for the internal management network and internal cluster host
network using multi-netting, another interface for |OAM| and a third
interface for an additional network on which container workloads are
exposed externally.
For some typical interface scenarios, see |planning-doc|: :ref:`Hardware
Requirements <starlingx-hardware-requirements>`.
Options to share an interface using |VLAN| tagging or Multi-Netting are
presented in the Ansible Bootstrap Playbook. To attach an interface to other
networks after configuration, you can edit the interface.
.. xbooklink For more information about configuring |VLAN| interfaces and Multi-Netted interfaces, see |node-doc|: :ref:`Configure VLAN Interfaces Using Horizon <configuring-vlan-interfaces-using-horizon>`.