Allied Telesis AR450S Guide de l'utilisateur télécharger pdf (Page 81)

Physical and Layer 2 Interfaces 81

Software Release 2.5.2

C613-02034-00 REV A

PPP interface 0 is now configured for bandwidth on demand operation

and any routing protocols such as IP and IPX that are configured to use

PPP interface 0 will automatically inherit the bandwidth on demand

functionality.

For more information about ISDN, including LAPD, Q.931, Call control, Call

Logging, DNS, AODI, X.25 and Data over voice, see the Integrated Services

Digital Network (ISDN) chapter in the AR400 Series Router Software Reference.

Installing Port Interface Cards (PICs)

(AR410 only)

Port Interface Cards (PICs) provide you with a cost effective and flexible way

to add new or additional network interfaces to your router. If you add or

change PICs, you can upgrade network interface capability without having to

replace the router.

For information about what PICs are available for your AR400 Series router,

see the AR Series Router Hardware Reference.

For information about installing a PIC see the Port Interface Card Quick Install

Guide.

For detailed information about PIC hardware see the Port Interface Card

Hardware Reference.

Connecting to a Leased Line Circuit

Leased lines are a commonly used for building Wide Area Networks (WANs).

A leased line maybe the right solution if you need to connect distant sites

across public areas. By installing an AT-AR023 SYN PIC in your AR400 Series

router this option is available to you.

To connect your AR400 Series router with an AT-AR023 SYN PIC installed to

a synchronous leased line circuit, follow these steps

The following steps are required:

1. Follow the instructions in the Port Interface Card Quick Install Guide on how

to install the AT-AR023 SYN PIC.

2. Use the appropriate approved transition cable (RS-232, X.21 or V.35), to

connect the synchronous port on the rear panel of the AT-AR023 SYN PIC

to the telecommunication service provider’s NTU.

3. To check the configuration of the port, enter the command:

SHOW SYN=n

where n is the synchronous port number. Verify that the information

displayed is correct. In particular, you should set “State” to “enabled” and

“Interface type” should match the transition cable used.

4. Configure a data link layer module, such as PPP (Point-to-Point Protocol),

Frame Relay or X.25 LAPB, to use the synchronous interface. To create a PPP

interface 0 to use synchronous port 0, enter the command:

CREATE PPP=0 OVER=SYN0

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Allied Telesis AR450S Guide de l'utilisateur Page 81

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