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No one will tell you what the experimental bug of EVPN VXLAN is

EVPN VXLAN is part of the SDN HCIA course. When training this course for telecommunications customers, why did you use EVPN VXLAN?

-In the current DC network, the current VXLAN technology has been applied on a large scale, but the current VXLAN technology is based on manual configuration and is cumbersome to deploy.

-EVPN technology can automatically discover site information and can be used to drive the dynamic establishment of VXLAN tunnels.

-At the same time, EVPN technology can be used to dynamically transfer MAC information, support MAC migration, and perform ARP suppression, which can effectively reduce MAC oscillation and flooding in the network.

-The application of EVPN to VXLAN network also requires some adaptation to EVPN.

The process of completing this experiment is not difficult. There are some small bugs in the final test results. The following is the process of the experiment.

1. Topology

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2. Basic configuration

a.PC

IT department PC network segment 192.168.10.0/24, PC1: 192.168.10.1/24, PC2: 192.168.10.2/24, GW: 192.168.10.254

Sales department PC network segment 192.168.20.0/24, PC1: 192.168.20.1/24, PC2: 192.168.20.2/24, GW: 192.168.20.254

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b. Access layer switch configuration

SW1 connects to IT_PC1 interface belongs to VLAN10 (g0 / 0 / 1-access)

The interface connecting Sales_PC1 belongs to VLAN20 (g0 / 0 / 2-access)

The interface connecting Leaf1 is Trunk (g0 / 0 / 24-trunk)

SW2 connects to IT_PC2 interface belongs to VLAN10 (g0 / 0 / 1-access)

The interface connecting Sales_PC2 belongs to VLAN200 (g0 / 0 / 2-access)

The Leaf2 interface is Trunk (g0 / 0 / 24-trunk)

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c. basic configuration of spine1, leaf1 and leaf2, including IP address and ospf

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test:

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3. EVPN VxLAN configuration

3.1 EVPN VxLAN basic interworking

Step 1: BGP configuration

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test:

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Step 2: VxLAN configuration and the combination of VxLAN and EVPN

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test :

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Conclusion: The experimental configuration is complete. Due to the simulator, the data plane test fails, and the control plane tunnel can be established. So, this small bug affects only the experimental test. You can complete the experiment according to the configuration content.

Emerging technologies are developing rapidly. The two major manufacturers of Cisco and Huawei are strongly promoting the learning system of new technologies. It is necessary to develop learning habits. My SDN course system has been fully launched. reward.

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