1. Home
    2. /
  2. Manuals
    3. /
  3. Zyxel
    4. /
  4. NBG-418N
    5. /
  5. 20
Page 96 / 224 Scroll up to view Page 91 - 95
Chapter 8 LAN
NBG-418N User’s Guide
96
Page 97 / 224
NBG-418N User’s Guide
97
C
HAPTER
9
DHCP Server
9.1
Overview
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 NBG-418N’s LAN as a
DHCP server or disable it. When configured as a server, the NBG-418N provides the TCP/IP
configuration for the clients. If DHCP service is disabled, you must have another DHCP server on
your LAN, or else the computer must be manually configured.
9.2
What You Can Do
•
Use the
General
screen to enable the DHCP server (
Section 9.4 on page 97
).
•
Use the
Advanced
screen to assign IP addresses on the LAN to specific individual computers
based on their MAC Addresses (
Section 9.5 on page 98
).
•
Use the
Client List
screen to view the current DHCP client information (
Section 9.6 on page
100
).
9.3
What You Need To Know
Every Ethernet device has a unique MAC (Media Access Control) address. The MAC address is
assigned at the factory and consists of six pairs of hexadecimal characters, for example,
00:A0:C5:00:00:02. Find out the MAC addresses of your network devices if you intend to add them
to the DHCP Client List screen.
Refer to
Section 3.4.6 on page 30
for information on IP Address and Subnet Mask.
Refer to the
Section 3.4.7 on page 30
section for information on System DNS Servers.
9.4
General Screen
Use this screen to enable the DHCP server. Click
Network
>
DHCP Server
.
The following screen
displays.
Page 98 / 224
Chapter 9 DHCP Server
NBG-418N User’s Guide
98
Figure 69
Network > DHCP Server > General
The following table describes the labels in this screen.
9.5
Advanced Screen
This screen allows you to assign IP addresses on the LAN to specific individual computers based on
their MAC addresses. You can also use this screen to configure the DNS server information that the
NBG-418N sends to the DHCP clients.
To change your NBG-418N’s static DHCP settings, click
Network
>
DHCP Server
>
Advanced
.
The following screen displays.
Table 42
Network > DHCP Server > General
LABEL
DESCRIPTION
Enable DHCP Server
Enable or Disable DHCP for LAN.
DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows
individual clients (computers) to obtain TCP/IP configuration at startup from a server.
Leave the
Enable DHCP Server
check box selected unless your ISP instructs you to
do otherwise. Clear it to disable the NBG-418N acting as a DHCP server. When
configured as a server, the NBG-418N provides TCP/IP configuration for the clients. If
not, DHCP service is disabled and you must have another DHCP server on your LAN,
or else the computers must be manually configured. When set as a server, fill in the
following four fields.
IP Pool Starting
Address
This field specifies the first of the contiguous addresses in the IP address pool for LAN.
Pool Size
This field specifies the size, or count of the IP address pool for LAN.
Apply
Click
Apply
to save your changes back to the NBG-418N.
Reset
Click
Reset
to begin configuring this screen afresh.
Page 99 / 224
Chapter 9 DHCP Server
NBG-418N User’s Guide
99
Figure 70
Network > DHCP Server > Advanced
The following table describes the labels in this screen.
Table 43
Network > DHCP Server > Advanced
LABEL
DESCRIPTION
Static DHCP Table
#
This is the index number of the static IP table entry (row).
MAC Address
Type the MAC address (with colons) of a computer on your LAN.
IP Address
Type the LAN IP address of a computer on your LAN.
DNS Server
DNS Servers
Assigned by DHCP
Server
The NBG-418N passes a DNS (Domain Name System) server IP address (in the order
you specify here) to the DHCP clients. If you do not configure the DNS server, the DHCP
service is disabled and you must have another DHCP sever on your LAN, or else the
computers must have their DNS server addresses manually configured.
First DNS Server
Second DNS Server
Select
From ISP
if your ISP dynamically assigns DNS server information (and the NBG-
418N’s WAN IP address). The field to the right displays the (read-only) DNS server IP
address that the ISP assigns.
Select
User-Defined
if you have the IP address of a DNS server. Enter the DNS server's
IP address in the field to the right. If you chose
User-Defined
, but leave the IP address
set to 0.0.0.0,
User-Defined
changes to
None
after you click
Apply
. If you set a
second choice to
User-Defined
, and enter the same IP address, the second
User-
Defined
changes to
None
after you click
Apply
.
Select
DNS Relay
to have the NBG-418N act as a DNS proxy. The NBG-418N's LAN IP
address displays in the field to the right (read-only). The NBG-418N tells the DHCP
clients on the LAN that the NBG-418N itself is the DNS server. When a computer on the
LAN sends a DNS query to the NBG-418N, the NBG-418N forwards the query to the
NBG-418N's system DNS server (configured in the
WAN > Internet Connection
screen) and relays the response back to the computer. You can only select
DNS Relay
for one of the three servers; if you select
DNS Relay
for a second or third DNS server,
that choice changes to
None
after you click
Apply
.
Apply
Click
Apply
to save your changes back to the NBG-418N.
Reset
Click
Reset
to begin configuring this screen afresh.
Page 100 / 224
Chapter 9 DHCP Server
NBG-418N User’s Guide
100
9.6
Client List Screen
The DHCP table shows current DHCP client information (including
IP Address
,
Host
Name
and
MAC Address
) of network clients using the NBG-418N’s DHCP servers.
Configure this screen to always assign an IP address to a MAC address (and host name). Click
Network
>
DHCP Server
>
Client List
.
Note: You can also view a read-only client list by clicking the
DHCP Table (Details...)
hyperlink in the
Status
screen.
The following screen displays.
Figure 71
Network > DHCP Server > Client List
The following table describes the labels in this screen.
Table 44
Network > DHCP Server > Client List
LABEL
DESCRIPTION
#
This is the index number of the host computer.
IP Address
This field displays the IP address relative to the # field listed above.
Host Name
This field displays the computer host name.
MAC Address
The MAC (Media Access Control) or Ethernet address on a LAN (Local Area Network)
is unique to your computer (six pairs of hexadecimal notation).
A network interface card such as an Ethernet adapter has a hardwired address that is
assigned at the factory. This address follows an industry standard that ensures no
other adapter has a similar address.
Reserve
Select this check box in the
DHCP Setup
section to have the NBG-418N always
assign the IP address(es) to the MAC address(es) (and host name(s)). After you click
Apply
, the MAC address and IP address also display in the
Advanced
screen (where
you can edit them).
Apply
Click
Apply
to save your settings.
Refresh
Click
Refresh
to reload the DHCP table.

Rate

4 / 5 based on 1 vote.

Popular Zyxel Models

Famous Router IPs
Famous Router Companies
Bookmark Our Site

Press Ctrl + D to add this site to your favorites!

Share
Top