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docs/doc/source/planning/kubernetes/shared-vlan-or-multi-netted-ethernet-interfaces.rst
Ron Stone f125a8b892 Remove spurious escapes (r8,dsR8) 
This change addresses a long-standing issue in rST documentation imported from XML.
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Signed-off-by: Ron Stone <ronald.stone@windriver.com>
Change-Id: Id43a9337ffcd505ccbdf072d7b29afdb5d2c997e
2023-03-01 11:19:04 +00:00

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Shared (VLAN or Multi-Netted) Ethernet Interfaces

The management, , cluster host, and other networks for container workload external connectivity, can share Ethernet or aggregated Ethernet interfaces using tagging or IP Multi-Netting.

The internal management cluster host, and other external networks, can use 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 -tagged network then it must be on the same physical interface used for booting.

The following arrangements are possible:

  • One interface for the internal management network and internal cluster host network using multi-netting, and another interface for (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 and external cluster host (on which container workloads are exposed externally) networks. Both are implemented using tagging.
  • One interface for the internal management network, another interface for the external 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 and a third interface for an additional network on which container workloads are exposed externally.

For some typical interface scenarios, see : Hardware Requirements <starlingx-hardware-requirements>.

Options to share an interface using 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.