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How to configure VXLAN in ML2, 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.

Today we will show you how to enable VXLAN in ML2.

Set the parameters related to vxlan network in / etc/neutron/plugins/ml2/ml2_conf.ini.

Tenant_network_types = vxlan

Specifies that the network type created by an ordinary user is vxlan.

A mechanism driver named "l2population" is also used here, which we will introduce separately later.

Then specify the range of the vxlan.

The above configuration defines that the range of vxlan vni is 1001-2000.

This scope is for ordinary users to create vxlan network in their tenants.

Because the average user cannot specify that vni,Neutron will automatically take values from this range in order when creating a network.

For admin, there is no restriction on the vni range, and admin can create a vxlan network with a vni range of 1-16777216.

Then you need to configure VTEP in [VXLAN].

Ml2_conf.ini of the control node devstack_controller

Calculate the ml2_conf.ini of the node devstack_compute01

Local_ip specifies the IP address on the node that is used as VTEP.

The VTEP IP of devstack_controller is 166.66.16.10 and the network card is eth2.

The VTEP IP of devstack_compute01 is 166.66.16.11 and the network card is eth2.

Note: as preparation, these two VTEP IP need to be configured to the node's eht1 in advance, and Neutron will not allocate this IP for us.

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