ZyXEL Communications P-660 series Guia do Utilizador descarregar pdf (Página 68)

Chapter 5 LAN Setup

P-660R-F1 Series User’s Guide

1 When a computer (which is in a different subnet) first attempts to access the Internet, it sends

packets to its default gateway (which is not the ZyXEL Device) by looking at the MAC address in its

ARP table.

2 When the computer cannot locate the default gateway, an ARP request is broadcast on the LAN.

3 The ZyXEL Device receives the ARP request and replies to the computer with its own MAC address.

4 The computer updates the MAC address for the default gateway to the ARP table. Once the ARP

table is updated, the computer is able to access the Internet through the ZyXEL Device.

5 When the ZyXEL Device receives packets from the computer, it creates an entry in the IP routing

table so it can properly forward packets intended for the computer.

After all the routing information is updated, the computer can access the ZyXEL Device and the

Internet as if it is in the same subnet as the ZyXEL Device.

5.3 Configuring LAN IP

Click LAN to open the IP screen. See Section 5.1 on page 63 for background information.

Figure 34 LAN IP

The following table describes the fields in this screen.

Table 18 LAN IP

LABEL DESCRIPTION

TCP/IP

IP Address Enter the IP address of your ZyXEL Device in dotted decimal notation, for

example, 192.168.1.1 (factory default).

IP Subnet Mask Type the subnet mask assigned to you by your ISP (if given).

Apply Click Apply to save your changes back to the ZyXEL Device.

Cancel Click Cancel to begin configuring this screen afresh.

Advanced Setup Click this button to display the Advanced LAN Setup screen and edit more

details of your LAN setup.

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ZyXEL Communications P-660 series Guia do Utilizador Página 68