3com DUA1750-2BAA01 Manual De Usuario

3Com Switch 8800 Configuration Guide 

Chapter 10  Super VLAN Configuration

 

10-1 

Super VLAN is also called VLAN aggregation: A super VLAN contains multiple sub 

VLANs. A super VLAN can be configured with an IP address of the virtual port, while a 

sub VLAN cannot be configured with the IP address of the virtual port. Each sub VLAN 

is a broadcast domain. Different sub VLANs are isolated at Layer 2. When users in a 

sub VLAN need to communicate with each other, they use the IP address of the virtual 

interface of the super VLAN as the IP address of the gateway. The IP address is shared 

by multiple VLANs. Therefore IP addresses are saved. If different sub VLANs want to 

communicate with each other at Layer 3, or a sub VLAN communicates with other 

networks, you must enable ARP proxy (by default it is disabled). The address resolution 

protocol (ARP) proxy can forward and process ARP request and response packets so 

that the isolated sub VLANs can communicate with each other at Layer 3. 

Super VLAN configuration includes: 

z 

 

  Note: 

z 

You can configure multiple super VLANs for a switch. The configured VLAN port 

and IP address configurations are the same as common VLAN configurations. 

z 

A sub VLAN configuration is the same as a common VLAN configuration. The 

following table describes the specific commands to configure a sub VLAN. For 

detailed information, refer to Chapter 8  “VLAN Configuration”. 

z 

By default, ARP proxy is enabled for super VLANs and disabled on the sub VLANs. 

 

You can configure a super VLAN as follows: 

Table 10-1 Configure a super VLAN 

1 

Enter system 
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<SW8800> system-view  ––