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This article introduces you how to understand the principle of Neutron Vlan Network, the content is very detailed, interested friends can refer to, hope to be helpful to you.

Vlan network is a network with tag, and it is the most widely used network type in practice.

1. Three instance are connected to the linux bridge named "brqXXXX" through a TAP device.

two。 The vlan interface,eth2.100 of eth2.100 is created on the physical network card eth2 to connect to the brqXXXX.

3. Packets sent by instance to eth2 via eth2.100 will be hit with vlan100's tag.

If you create another network vlan101,eth2, the vlan interface eth2.101 will be created accordingly, and the new lingux bridge "brqYYYY" will be connected.

Each vlan network has its own bridge, thus achieving vlan-based isolation.

Here is a special reminder:

Because the physical network card eth2 can carry the data of multiple vlan, the port connected to the eth2 on the physical switch should be set to trunk mode instead of access mode.

On how to understand the principle of Neutron Vlan Network to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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