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How to create OVS vlan101 and deploy instance, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

Create a vlan101.

The subnet IP address is 172.16.101.0 Universe 24.

What has happened to the underlying network?

Neutron automatically creates the vlan100 dhcp interface "tap1820558c-0a" on the br-int bridge.

Connect instance to vlan101

Launch's new instance "cirros-vm3", the network chooses vlan101.

The IP assigned to cirros-vm3 is 172.16.101.103.

The cirros-vm3 is schedule to the compute node, and the virtual network card is connected to the br-int.

The current network structure is as follows:

Cirros-vm1 is located in the control node and belongs to vlan100.

Cirros-vm2 is located in the compute node and belongs to vlan100.

Cirros-vm3 is located in the compute node and belongs to vlan101.

Both cirros-vm1 and cirros-vm2 are in vlan100 and can communicate with each other.

Cirros-vm3 is in vlan101 and cannot communicate with cirros-vm1 and cirros-vm2.

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