GRT-504 4-Wire G.SHDSL.bis Firewall Router User’s Manual
7.12.13 DHCP
Dynamic Host Configuration Protocol (DHCP) is a communication protocol that lets network
administrators to manage centrally and automate the assignment of Internet Protocol (IP)
addresses in an organization's network. Using the Internet Protocol, each machine that can
connect to the Internet needs a unique IP address. When an organization sets up its computer
users with a connection to the Internet, an IP address must be assigned to each machine.
Without DHCP, the IP address must be entered manually at each computer. If computers move to
another location in another part of the network, a new IP address must be entered. DHCP lets a
network administrator to supervise and distribute IP addresses from a central point and
automatically sends a new IP address when a computer is plugged into a different place in the
network.
To configure DHCP server, move the cursor to
dhcp
and press enter.
>> generic
DHCP server generic parameters
fixed
relay
DHCP server fixed host IP list
DHCP relay parameter
List
Show DHCP configuration
The generic DHCP parameters can be configured via
generic
command.
>> active
Trigger DHCP server function
gateway
Default gateway for DHCP client
netmask
Subnet mask for DHCP client
ip_range
Dynamic assigned IP address range
lease_time
Configure max lease time
name_server1 Domain name server1
name_server2 Domain name server2
name_server3 Domain name server3
Command Description
Active
Trigger DHCP server function
Gateway
Configure default gateway for DHCP client
Net mask
Configure subnet mask for DHCP client
IP range
Configure dynamic assigned IP address range.
Lease time
Set up dynamic IP maximum lease time
Name server 1
Set up the IP address of name server #1
Name server 2
Set up the IP address of name server #2
Name server 3
Set up the IP address of name server #3
Fixed Host IP Address list are setup via
fixed
command.
>> add
Add a fixed host entry
delete
Delete a fixed host entry
When use the fixed host entry, you must enter the MAC address and IP address as the same time.
There can be set up to 10 maximum fixed host IP address.
Active the DHCP relay and remote server IP address via
relay
command
You can view the DHCP configuration via
list
command.
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