User Manual
GWR High Speed Cellular Router Series
31
To use the GWR Router as your network’s DHCP server, click
DHCP Server
Tab for DHCP Server
setup. The GWR Router has built–in DHCP server capability that assigns IP addresses and DNS servers to
systems that support DHCP client capability.
DHCP Server Parameters
Label
Description
Enable DHCP Server
DHCP (
Dynamic Host Configuration Protocol
) allows individual clients
(workstations) to obtain TCP/IP configuration at startup from a server.
When configured as a server, the GWR Router provides TCP/IP configuration for
the clients. To activate DHCP server, click check box
Enable DHCP Server
. To
setup DHCP server fill in the IP Starting Address and IP Ending Address fields.
Uncheck
Enable DHCP Server
check box to stop the GWR Router from acting as a
DHCP server. When Unchecked, you must have another DHCP server on your
LAN, or else the computers must be manually configured.
IP Address range
(From)
This field specifies the first of the contiguous addresses in the IP address pool.
IP Address range (To)
This field specifies last of the contiguous addresses in the IP address pool.
Lease Duration
This field specifies DHCP session duration time.
Primary DNS,
Secondary DNS
This field specifies IP addresses of DNS (
Domain Name System)
server that will be
assigned to systems that support DHCP client capability.
Select
None
to stop the DHCP Server from assigning DNS server IP address.
When you select None, computers must be manually configured with proper DNS
IP address.
Select
Used by ISP
to have the GWR Router assign DNS IP address to DHCP
clients. DNS address is provided by ISP (automatically obtained from WAN side).
This option is available only if GSM connection is active. Please establish GSM
connection first and then choose this option.
Select
Used Defined
to have the GWR Router assign DNS IP address to DHCP
clients. DNS address is manually configured by user.
Static Lease
Reservation
This field specifies IP addresses that will be dedicated to specific DHCP Client
based on MAC address. DHCP server will always assign same IP address to
appropriate client.
Address Exclusions
This field specifies IP addresses that will be excluded from the pool of DHCP IP
address. DHCP server will not assign this IP to DHCP clients.
Add
Click
Add
to insert (add) new item in table to the GWR Router.
Remove
Click
Remove
to delete selected item from table.
Save
Click
Save
to save your changes back to the GWR Router.
Reload
Click
Reload
to discard any changes and reload previous settings.
Table 5 – DHCP Server parameters