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Physical and Layer 2 Interfaces 59

Software Release 2.5.2

C613-02034-00 REV A

Chapter 5

Physical and Layer 2 Interfaces

This Chapter

This chapter introduces the physical and logical interfaces available on the base

unit router and the optional interfaces available as expansion options for the

PIC bay. Topics covered are:

■ “Interfaces” on page 60

■ “Naming Interfaces” on page 61

■ “Ethernet Ports” on page 62

■ “Asynchronous Port” on page 62

■ “Synchronous Ports (AR410 only)” on page 64

■ “Switch Ports” on page 64

■ “Virtual LANs” on page 67

■ “Point to Point Protocol (PPP)” on page 68

■ “Frame Relay (AR410 only)” on page 69

■ “Integrated Services Digital Network (ISDN) (AR410 only)” on page 72

■ “Configuring ISDN (AR410 only)” on page 74

■ “Installing Port Interface Cards (PICs) (AR410 only)” on page 81

Once you have configured the Layer 2 interfaces, you can configure a Layer 3

protocol to route traffic between these interfaces. A simple network overview

showing the relationship between physical interfaces, data link protocols, and

network routing protocols is shown in Figure 7 on page 60.

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Allied Telesis AR450S Guía de usuario Pagina 59