ZyXEL NBG4615 User Manual download pdf (Page 164)

Chapter 18 LAN

NBG4615 User’s Guide

164

18.3 What You Need To Know

The actual physical connection determines whether the NBG4615 ports are LAN or WAN ports.

There are two separate IP networks, one inside the LAN network and the other outside the WAN

network as shown next.

Figure 103 LAN and WAN IP Addresses

The LAN parameters of the NBG4615 are preset in the factory with the following values:

• IP address of 192.168.1.1 with subnet mask of 255.255.255.0 (24 bits)

• DHCP server enabled with 32 client IP addresses starting from 192.168.1.33.

These parameters should work for the majority of installations. If your ISP gives you explicit DNS

server address(es), read the embedded Web Configurator help regarding what fields need to be

configured.

18.3.1 IP Pool Setup

The NBG4615 is pre-configured with a pool of 32 IP addresses starting from 192.168.1.33 to

192.168.1.64. This configuration leaves 31 IP addresses (excluding the NBG4615 itself) in the

lower range (192.168.1.2 to 192.168.1.32) for other server computers, for instance, servers for

mail, FTP, TFTP, web, etc., that you may have.

18.3.2 LAN TCP/IP

The NBG4615 has built-in DHCP server capability that assigns IP addresses and DNS servers to

systems that support DHCP client capability.

18.3.3 IP Alias

IP alias allows you to partition a physical network into different logical networks over the same

Ethernet interface. The NBG4615 supports three logical LAN interfaces via its single physical

Ethernet interface with the NBG4615 itself as the gateway for each LAN network.

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ZyXEL NBG4615 User Manual Page 164