Tcp/Ip And Lan Dhcp; Figure 7-2 Menu 3.1: Lan Port Filter Setup - ZyXEL Communications ZyXEL ZyWALL 2WE User Manual
Zyxel internet security gateway user's guide
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Also See for ZyXEL ZyWALL 2WE:
- Compact manual (42 pages) ,
- Specifications (2 pages) ,
- User manual (614 pages)
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ZyWALL 2 and ZyWALL 2WE
7.4
TCP/IP and LAN DHCP
The ZyWALL has built-in DHCP server capability that assigns IP addresses and DNS servers to systems that
support DHCP client capability.
7.4.1
Factory LAN Defaults
The LAN parameters of the ZyWALL are preset in the factory with the following values:
1. IP address of 192.168.1.1 with subnet mask of 255.255.255.0 (24 bits).
2. 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 an explicit DNS server
address(es), skip ahead to section 7.5 to see how to enter the DNS server address(es).
7.4.2
DHCP Configuration
DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows individual clients to obtain
TCP/IP configuration at start-up from a server. You can configure the ZyWALL as a DHCP server or disable
it. When configured as a server, the ZyWALL provides the TCP/IP configuration for the clients. If set to
None, DHCP service will be disabled and you must have another DHCP server on your LAN, or else the
computer must be manually configured.
IP Pool Setup
The ZyWALL is pre-configured with a pool of 32 IP addresses ranging from 192.168.1.33 to 192.168.1.64.
This configuration leaves 31 IP addresses (excluding the ZyWALL itself) in the lower range for other server
machines, e.g., server for mail, FTP, Telnet, web, etc., that you may have.
DNS Server Address
Use DNS to map a domain name to its corresponding IP address and vice versa, for example, the IP address
of www.zyxel.com is 204.217.0.2. The DNS server is extremely important because without it, you must know
the IP address of a machine before you can access it.
7-2
Menu 3.1 – LAN Port Filter Setup
Input Filter Sets:
protocol filters=
device filters=
Output Filter Sets:
protocol filters=
device filters=
Press ENTER to Confirm or ESC to Cancel:
Figure 7-2 Menu 3.1: LAN Port Filter Setup
LAN Setup
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Troubleshooting
