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CLI-based Configuration Guide - Virtualization

AR500, AR510, AR531, AR550, AR1500, and AR2500 V200R009

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the virtualization feature supported by the device.

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Overview of Virtualization

Overview of Virtualization

Definition

Virtualization is a technology that can virtualize a physical device into multiple independent logical devices. Each logical device can run a different operating system and have different applications deployed independently, significantly improving device operating efficiency.

Purpose

For an enterprise with multiple campus branches or mobile branches, each branch requires CT devices such as routers, firewalls, load balancers (LBs), and WAN optimization controllers (WOCs), and needs to deploy different IT applications. In traditional deployment mode, the enterprise needs to deploy many CT devices and multiple servers for the applications. As a result, the deployment and maintenance costs are high, and services are inflexible.

The virtualization feature allows you to create multiple virtual machines (VMs) on one physical AR router. Each VM functions as an independent device and has its own operating system, virtual network adapter, and application software. The virtualization feature has the following advantages:
  • Provides an integrated ICT solution to directly integrate branch IT applications on one router, which saves cost on IT servers and simplifies device management.
  • Provides a virtualized platform architecture to support on-demand, elastic enterprise service expansion.
You can run commands or use the Agile Controller-Branch to configure VMs.
Table 1-1  VM configuration modes

VM Configuration Mode

Advantage

Disadvantage

Application Scenario

Configuring a VM using commands

The Agile Controller-Branch is not required.

  • You need to manually run commands to configure VMs. The configuration is complex.
  • This configuration mode has low-efficiency fault location and troubleshooting capabilities. You need to locate and troubleshoot faults on the device. The management and maintenance costs are high.

This configuration mode applies to scenarios where a small number of devices are deployed closely. You can run commands on the devices to configure and manage VMs.

Configuring a VM using the Agile Controller-Branch

It is easy to perform operations on the graphical user interface (GUI). You can allocate devices that have the same applications deployed to the same device group. Figure 1-1 shows the VM configuration process.
  • Network configuration based on the device group: The Agile Controller-Branch provides fast batch deployment on a large number of devices with the same network configuration in a branch scenario, making network-wide configuration simple and efficient.
  • VM deployment based on the device group: The Agile Controller-Branch supports one-click batch installation of VM applications.
  • Efficient fault detection and troubleshooting: The Agile Controller-Branch integrates the geographic information system (GIS) map on which the device status is clearly displayed. You can click a faulty device to view the detailed fault cause and troubleshoot the fault on the web Secure Shell (SSH) page.

The Agile Controller-Branch is required.

This configuration mode applies to scenarios where a large number of devices are deployed in scattered locations. You can use the Agile Controller-Branch to rapidly and centrally configure and manage VMs on devices in the entire network.

Figure 1-1  VM configuration process

The process for configuring a VM using the Agile Controller-Branch is as follows:
  1. Creating a device group: The tenant administrator plans services of each device in advance and allocates devices of the same type and with the same VM services to the same device group.
  2. Configuring the network: The tenant administrator configures the network for a device group based on the network service mode of each device group.
  3. Uploading files: The tenant administrator uploads the obtained VM application software to the Agile Controller-Branch.
  4. Delivering services: The tenant administrator deploys VM applications for each device group based on requirements.
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Updated: 2019-05-06

Document ID: EDOC1000177806

Views: 8938

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