ZyXEL Communications IES-612-51A Uživatelská příručka stáhnout pdf (Strana 364)

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Chapter 55 Virtual Channel Commands

IES-612-51 User’s Guide

364

55.5.13 RPVC ARP Show Command Example

The following is an example.

55.6 PPPoA to PPPoE (PAE) Translation

Before migrating to an Ethernet infrastructure, a broadband network might consist of PPPoA

connections between the CPE devices and the DSLAM and PPPoE connections from the

DSLAM to the BRAS (Broadband Remote Access Server). The following figure shows a

network example.

Figure 199 Mixed PPPoA-to-PPPoE Broadband Network Example

In order to allow communication between the end points (the CPE clients and the BRAS), you

need to configure the DSLAM (the IES-612-51) to translate PPPoA frames to PPPoE packets

and vice versa.

When PPPoA packets are received from the CPE, the ATM headers are removed and the IES-

612-51 adds PPPoE and Ethernet headers before sending the packets to the BRAS. When the

IES-612-51 receives PPPoE packets from the BRAS, PPPoE and Ethernet headers are stripped

and necessary PVC information (such as encapsulation type) is added before forwarding to the

designated CPE.

Figure 198 RPVC ARP Agingtime Show Command Example

ras> adsl rpvc arp show

gateway ip vid mac

--------------- ---- -----------------

192.168.10.102 1 00:0d:9d:d9:43:3b

PPPoA

PPPoE

DSLAM

Client

BRAS

1 2 ... 359 360 361 362 363 364 365 366 367 368 369 ... 413 414

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