Chapter 3 Super Vlan; Super Vlan Overview; Super Vlan Configuration; Super Vlan Configuration Task List - H3C S7500 Series Operation Manual

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Operation Manual – Extended VLAN Application

H3C S7500 Series Ethernet Switches

When configuring super VLAN, go to these sections for information you are interested

Displaying Super VLAN

Super VLAN Configuration Examples

Only Salience III series engines support the super VLAN.

3.1 Super VLAN Overview

To save IP address resources, the super VLAN concept (also known as VLAN

aggregation) was developed. Its principle is like this: a super VLAN may include

multiple sub VLANs, with each as a broadcast domain. Layer 2 isolation is implemented

between sub VLANs. The super VLAN, but not the sub VLAN, can be configured with a

Layer 3 interface,.

When users in different sub VLANs want to communicate, they use the IP address of

the Layer 3 interface of the super VLAN as their gateway address. IP address

resources are saved since multiple sub VLANs share one IP address.

At the same time, in order to realize the Layer 3 connectivity between the sub VLANs

and between the sub VLAN and other networks, proxy ARP is used. Proxy ARP

enables Layer 3 connectivity between Layer 2 isolated ports by sending ARP request

and processing response packets.

3.2 Super VLAN Configuration

Complete the following tasks to configure super VLAN:

Configuring a Super VLAN

Configuring a Sub VLAN

Chapter 3 Super VLAN

Chapter 3 Super VLAN

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