D-Link DFL-1100 Product Manual - Page 68

DHCP Server Settings

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Servers DHCP Server Settings The DFL-1100 contains a DHCP server. DHCP (Dynamic Host Configuration Protocol) is a protocol that allows network administrators to automatically assign IP numbers to DHCP enabled computers on a network. The DFL-1100 DHCP Server helps to minimize the work necessary to administer a network, as there is no need for another DHCP server. The DFL-1100 DHCP Server only implements a subset of the DHCP protocol necessary to serve a small network; these are: • IP address • Netmask • Subnet • Gateway address • DNS Servers • WINS Servers • Domain name The DFL-1100 DHCP Server assigns and manages IP addresses from specified address pools within the firewall to the DHCP clients. Note: Leases are remembered over a re-configure or reboot of the firewall. The DFL-1100 also includes a DHCP Relay function. A DHCP Relay allows the DFL-1100 to receive DHCP requests and forward those requests to a specified DHCP server. The relay function allows the use of existing DHCP servers in conjunction with the DFL-1100 to ensure all users on all interfaces receive IP addresses when requested. The DFL-1100 will also configure dynamic routes based on those DHCP leases. This enables the firewall to keep an accurate routing table based on active users and protects the DHCP server to some degree. Note: There can only be one DHCP Server or DHCP Relay configured per interface. 68

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68
Servers
DHCP Server Settings
The DFL-1100 contains a DHCP server. DHCP (Dynamic Host Configuration Protocol) is a
protocol that allows network administrators to automatically assign IP numbers to DHCP
enabled computers on a
network. The DFL-1100
DHCP Server helps to
minimize
the
work
necessary to administer a
network, as there is no
need for another DHCP
server.
The DFL-1100 DHCP
Server only implements a
subset
of
the
DHCP
protocol
necessary
to
serve a small network;
these are:
•
IP address
•
Netmask
•
Subnet
•
Gateway
address
•
DNS Servers
•
WINS
Servers
•
Domain
name
The DFL-1100 DHCP
Server assigns and manages IP addresses from specified address pools within the firewall to
the DHCP clients.
Note:
Leases are remembered over a re-configure or reboot of the firewall.
The DFL-1100 also includes a DHCP Relay function. A DHCP Relay allows the DFL-1100
to receive DHCP requests and forward those requests to a specified DHCP server. The relay
function allows the use of existing DHCP servers in conjunction with the DFL-1100 to ensure
all users on all interfaces receive IP addresses when requested.
The DFL-1100 will also
configure dynamic routes based on those DHCP leases. This enables the firewall to keep an
accurate routing table based on active users and protects the DHCP server to some degree.
Note:
There can only be one DHCP Server or DHCP Relay configured per interface.