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Vantage CNM 2.0
LABEL
DHCP Mode
DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows
individual clients (computers) to obtain TCP/IP configuration at startup from a server.
Select None if you do not want to configure DNS servers. If you do not configure a
DNS server, you must know the IP address of a machine in order to access it.
When configured as a Server, the ZyXEL device provides TCP/IP configuration for the
clients. When set as a Server, fill in the rest of the DHCP setup fields.
Select Relay to have the ZyXEL device act as a DNS proxy. The ZyXEL device tells the
DHCP clients on the LAN that the ZyXEL device itself is the DNS server. When a
computer on the LAN sends a DNS query to the ZyXEL device, the ZyXEL device
forwards the query to the ZyXEL device's system DNS server and relays the response
back to the computer. You can select Relay and enter an IP Pool Starting Address. The
First DNS Server IP and Second DNS Server IP will appear as read only fields.
IP Pool Starting
This field specifies the first of the contiguous addresses in the IP address pool.
Address
Pool Size
This field specifies the size, or count of the IP address pool.
First DNS Server IP
The ZyWALL passes a DNS (Domain Name System) server IP address (in the order
Second DNS
you specify here) to the DHCP clients. Type your First DNS Server IP and
Server IP
Second DNS Server IP addresses in these fields.
Remote DHCP
If Relay is selected in the DHCP field above, then type the IP address of the actual,
Server
remote DHCP server here.
TCP/IP
IP Address
Type the IP address of the ZyXEL device in dotted decimal notation. 192.168.1.1 is the
factory default.
IP Subnet Mask
The subnet mask specifies the network number portion of an IP address. The ZyXEL
device automatically calculates the subnet mask based on the IP address that you
assign. Unless you are implementing subnetting, use the subnet mask computed by the
ZyXEL device, which is 255.255.255.0.
RIP Direction
RIP (Routing Information Protocol, RFC1058 and RFC 1389) allows a router to
exchange routing information with other routers. The RIP Direction field controls the
sending and receiving of RIP packets. Select the RIP direction from Both/In Only/Out
Only/None. When set to Both or Out Only, the ZyXEL device broadcasts its routing
table periodically. When set to Both or In Only, it incorporates the RIP information that
it receives; when set to None, it does not send any RIP packets and ignores any RIP
packets received. Both is the default.
RIP Version
The RIP Version field controls the format and the broadcasting method of the RIP
packets that the ZyXEL device sends (it recognizes both formats when receiving). RIP-
1 is universally supported but RIP-2 carries more information. RIP-1 is probably
adequate for most networks, unless you have an unusual network topology. Both RIP-
2B and RIP-2M sends the routing data in RIP-2 format; the difference being that RIP-
2B uses subnet broadcasting while RIP-2M uses multicasting. Multicasting can reduce
the load on non-router machines since they generally do not listen to the RIP multicast
address and so will not receive the RIP packets. However, if one router uses
multicasting, then all routers on your network must use multicasting, also. By default,
RIP direction is set to Both and the Version set to RIP-1.
5-6
Figure 5-2 Configuration > LAN > IP – Prestige
Table 5-2 Configuration > LAN > IP – Prestige
DESCRIPTION
Configuration > LAN
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