ZyXEL ADSL2+ User Manual download pdf (Page 158)

P-660R-T Series User’s Guide

Chapter 20 Bridging Setup 158

CHAPTER 20

Bridging Setup

This chapter shows you how to configure the bridging parameters of your Prestige.

20.1 Bridging in General

Bridging bases the forwarding decision on the MAC (Media Access Control), or hardware

address, while routing does it on the network layer (IP) address. Bridging allows the Prestige

to transport packets of network layer protocols that it does not route, for example, SNA, from

one network to another. The caveat is that, compared to routing, bridging generates more

traffic for the same network layer protocol, and it also demands more CPU cycles and

memory.

For efficiency reasons, do not turn on bridging unless you need to support protocols other than

IP on your network. For IP, enable the routing if you need it; do not bridge what the Prestige

can route.

20.2 Bridge Ethernet Setup

Basically, all non-local packets are bridged to the WAN. Your Prestige does not support IPX.

20.2.1 Remote Node Bridging Setup

Follow the procedure in another section to configure the protocol-independent parameters in

Menu 11.1 – Remote Node Profile. For bridging-related parameters, you need to configure

Menu 11.3 – Remote Node Network Layer Options.

1 To setup Menu 11.3 – Remote Node Network Layer Options shown in the next figure,

follow these steps:

2 In menu 11.1, make sure the Bridge field is set to Yes.

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ZyXEL ADSL2+ User Manual Page 158