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VLAN CONFIGURATION
This chapter covers the following topics:
■ VLAN Overview
■ Configuring VLANs
■ Configuring GARP/GVRP
VLAN Overview A virtual local area network (VLAN) creates logical groups of LAN devices into
segments to implement virtual workgroups.
Using VLAN technology, you can logically divide the physical LAN into different
broadcast domains. Every VLAN contains a group of workstations with the same
resource requirements. However, the workstations of a VLAN do not have to
belong to the same physical LAN segment.
Within a VLAN, broadcast and unicast traffic is not forwarded to other VLANs.
Therefore, VLAN configurations are very helpful in controlling network traffic,
simplifying network management, and improving security.
The Switch 8800 supports port-based VLANs, which define VLAN members
according to switch ports. This is the simplest and most efficient way to create
VLANs.
Configuring VLANs The following sections describe how to configure VLANs:
■ Common VLAN Configuration Tasks
Common VLAN
Configuration Tasks
The following sections discuss the common tasks for configuring a VLAN:
■ Creating or Deleting a VLAN
■ Adding Ethernet Ports to a VLAN
■ Setting or Deleting the VLAN Description Character String
■ Specifying or Removing VLAN Interfaces
■ Shutting Down or Enabling a VLAN Interface
■ Displaying and Debugging a VLAN
Creating or Deleting a VLAN
Use the following command to create or delete a VLAN.