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ZyWALL 10/50 Internet Security Gateway
LAN Setup 5-5
5.3.7 IP Alias
IP Alias allows you to partition a physical network into different logical networks over the same Ethernet
interface. The ZyWALL supports three logical LAN interfaces via its single physical Ethernet interface with
the ZyWALL itself as the gateway for each LAN network.
Figure 5-3 Physical Network Figure 5-4 Partitioned Logical Networks
Use menu 3.2.1 to configure IP Alias on your ZyWALL.
5.4 TCP/IP and DHCP Ethernet Setup Menu
From the main menu, enter 3 to open Menu 3 - LAN Setup to configure TCP/IP (RFC 1155) and DHCP
Ethernet setup.
Figure 5-5 Menu 3 — TCP/IP and DHCP Setup
From menu 3, select the submenu option TCP/IP and DHCP and press [ENTER]. The screen now displays
Menu 3.2 — TCP/IP and DHCP Ethernet Setup, as shown next.
Menu 3 – LAN Setup
1. LAN Port Filter Setup
2. TCP/IP and DHCP Setup
Enter Menu Selection Number: