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CLI-based Configuration Guide - Ethernet Switching

AR650, AR1600, and AR6100 V300R003

This document describes how to configure the components for LAN services, including link aggregation groups, VLANs, voice VLANs, MAC address tables, transparent bridging, as well as GVRP, STP/RSTP, and MSTP protocols.
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Application Scenarios for VLAN Aggregation

Application Scenarios for VLAN Aggregation

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: 2019-04-12

Document ID: EDOC1100041791

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