Cisco 1710 Especificações descarregar pdf (Página 51)

CHAPTER

3-1

Cisco 1710 Security Router Software Configuration Guide

78-12696-01

Overview of Routing Between

Virtual LANs

This chapter provides an overview of virtual LANs (VLANs). It describes the

encapsulation protocols used for routing between VLANs and provides some

basic information about designing VLANs.

This chapter contains the following sections:

• What Is a VLAN?

• VLAN Colors

• Why Implement VLANs?

• Communicating Between VLANs

• Designing Switched VLANs

What Is a VLAN?

A VLAN is a switched network that is logically segmented on an organizational

basis, by function, project team, or application, rather than on a physical or

geographical basis. For example, all workstations and servers used by a particular

workgroup team can be connected to the same VLAN, regardless of their physical

connections to the network or their intermingling with other teams. The network

can be reconfigured by using software rather than by physically unplugging and

moving the devices or wires.

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Cisco 1710 Especificações Página 51