ZyXEL Communications P-663HN-51 Guía de usuario descargar pdf (Pagina 57)

Chapter 5 WAN Setup

P-663H-51 User’s Guide

5.6.1 LLC-based Encapsulation

In this case one VC carries multiple protocols with protocol identifying information being

contained in each packet header. Despite the extra bandwidth and processing overhead, this

method may be advantageous if it is not practical to have a separate VC for each carried

protocol, for example, if charging heavily depends on the number of simultaneous VCs.

5.6.2 VC-based Encapsulation

In this case, by prior mutual agreement, each protocol is assigned to a specific virtual circuit;

for example, VC1 carries IP, etc. VC-based multiplexing may be dominant in environments

where dynamic creation of large numbers of ATM VCs is fast and economical.

5.7 WAN Connection Type and Encapsulation Mode

This is the second WAN setup add (or edit) screen. Use this screen to configure WAN

connection type and encapsulation mode.

Figure 24 Advanced Setup > WAN > Add (2)

The following table describes the labels in this screen.

Table 13 Advanced Setup > WAN

LABEL DESCRIPTION

Connection Type Select the type of network protocol the ISP uses for IP over Ethernet.

Encapsulation

Mode

Select the encapsulation mode that your ISP uses.

Back Click this to return to the previous screen.

Next Click this to go to the following screen.

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ZyXEL Communications P-663HN-51 Guía de usuario Pagina 57