Avaya Configuring Ethernet, FDDI, and Token Ring Services Manuel d'utilisateur télécharger pdf (Page 77)

308623-14.00 Rev 00

5-1

Chapter 5

Configuring 802.1Q Tagging

This chapter provides an overview of 802.1Q tagging and instructions for

configuring it on a router. It includes the following information:

Virtual LAN Overview

Traditional LANs are defined by physical media:

• Early first-generation LANs were defined by the cable or fiber that connected

workstations.

• Later second-generation LANs, or LAN segments, are defined by the

concentrators, repeaters, or hubs (all physical layer, or layer 1, devices) that

connect workstations.

Traditional LANs are connected by bridges at layer 2 or by routers at layer 3.

Topic Page

Virtual LAN Overview 5-1

802.1Q Tagging 5-6

Router Processing of Tagged Frames 5-7

Implementation Considerations 5-8

Adding a Tagged Circuit to an Unconfigured 100BASE-T Interface 5-8

Adding a Tagged Circuit to an Existing 100BASE-T Interface 5-10

Editing a Tagged Circuit 5-11

Disabling a Tagged Circuit 5-12

Deleting a Tagged Circuit 5-12

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Avaya Configuring Ethernet, FDDI, and Token Ring Services Manuel d'utilisateur Page 77