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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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Application Scenario

Application Scenario

As shown in Figure 4-6, a company has many departments. To improve service security, the company adds different departments to different VLANs. All departments want to access the Internet; department 1 and department 2 need to communicate with each other; department 3 and department 4 need to communicate with each other; IP addresses of the company are limited.

Figure 4-6  Networking of VLAN aggregation

VLAN aggregation can be deployed to meet the preceding requirements. Deploy super-VLAN 2 and super-VLAN 3 on the router, and add sub-VLAN 21 and sub-VLAN 22 to super-VLAN 2 and sub-VLAN 31 and sub-VLAN 32 to super-VLAN 3. After IP addresses are assigned to super-VLAN 2 and super-VLAN 3 on the router, users in department 1 and department 2 can access the Internet using the IP address of super-VLAN 2, and users in department 3 and department 4 can access the Internet using the IP address of super-VLAN 3. VLAN aggregation implements Internet access for each department and conserves IP addresses.

Configure proxy ARP in super-VLAN 2 and super-VLAN 3 on the router to implement communication between department 1 and department 2, and between department 3 and department 4.

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Updated: 2019-05-25

Document ID: EDOC1000097279

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