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Configuration Guide - VXLAN

CloudEngine 12800 and 12800E V200R003C00

This document describes the configurations of VXLAN.
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VXLAN Deployment Modes

VXLAN Deployment Modes

VXLANs can currently be deployed in single-node mode or controller mode.

  • Single-node mode: In traditional network deployment, each device requires a login to configure the device according to the network plan. Collaboration with cloud platforms cannot be implemented in cloud computing data centers for automatic network deployment.
  • Controller mode: To help control and deploy a large Layer 2 network, a controller can be used. A controller is a unified network control platform that orchestrates and manages network resources and cooperates with the cloud platform to implement automatic service and network provisioning.

Agile Controller-DCN Mode

  • Introduction to Agile Controller-DCN Mode

    In this mode, the Agile Controller-DCN uses Network Configuration Protocol (NETCONF) to dynamically establish VXLAN tunnels between devices.

    In Figure 2-1, the Agile Controller-DCN can directly manage the virtual network and obtain virtual network information from Neutron. The Agile Controller-DCN dynamically calculates network configurations based on virtual network information and automatically maps the information to physical networks.

    Figure 2-1 Networking of the Agile Controller-DCN + VXLAN solution
    Table 2-1 describes the layers in the Agile Controller-DCN + VXLAN solution and the functions of each layer.
    Table 2-1 Layers in the Agile Controller-DCN + VXLAN solution

    Layer

    Description

    Cloud platform

    Schedules network, computing, and storage resources as required and provides service management and operations and maintenance (O&M) interfaces. Neutron is a component of the cloud platform, used to provide network services.

    Network controller

    Implements network modeling and instantiation.

    The Agile Controller-DCN uses RESTful interfaces to receive network modeling configurations from the cloud platform and converts these configurations into related commands. It uses the NETCONF protocol to establish channels with network devices in the infrastructure layer to deliver commands to them.

    Infrastructure

    Implements unified planning of physical and virtual networks.
    • Uses hardware-based VXLAN gateways to improve service performance.
    • Is compatible with traditional VLANs.
  • Channel Establishment and Maintenance Between the Agile Controller-DCN and Device

    The Agile Controller-DCN can detect the tenant status in real time and obtain the virtual network information from the cloud platform. In Figure 2-2, the Agile Controller-DCN dynamically calculates network configurations based on virtual network information and automatically maps the information to physical networks after tenants go online.

    Figure 2-2 Channel establishment and maintenance between the Agile Controller-DCN and device

    In Figure 2-2, network administrators must have completed the NETCONF and mandatory VXLAN configuration (for example, creating NVE interfaces and configuring VTEP IP addresses) on the device using CLI or Zero Touch Provisioning (ZTP). After the configurations are complete, the Agile Controller-DCN can manage the device using NETCONF.

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Updated: 2019-05-05

Document ID: EDOC1100004207

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