Digi WAN 3G User Manual page 63

Digi - connect wan 3g wireless router
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Send the DHCP Server IP address as a DNS Proxy Server: This option configures
the DHCP Server to send its IP address to a DHCP client as the first DNS server in its
lease information. This Digi device supports a DNS Proxy feature that will relay DNS
requests and responses between DNS clients and servers. The DNS Proxy is not a
feature of the DHCP Server itself, but rather it is managed elsewhere in the
configuration settings for this Digi device. For DNS Proxy to be used effectively by a
DHCP client, it must be enabled both in the DHCP server configuration and in the DNS
Proxy settings. For more information, see the description of the Enable DNS Proxy
Service setting in "Advanced network settings" on page 92. This option is on (enabled)
by default.
Static Lease Reservations: A static lease reservation is a specific IP address paired
with a client's MAC address, which reserves the IP address for that client's use only.
This assures that a client always receives a lease for the same IP address and that no
other client obtains a lease for that address.
To add a reservation, enter the IP address and MAC Address values, check or clear
the Enable checkbox, and then press the Add button.
After adding a reservation, you may click on the IP address or MAC address of that
entry in the table, permitting you to specify or modify the lease duration for this
reservation.
The Enable checkbox for the entry permits a reservation to be disabled without
actually removing the entry, then enabled again at a later time.
The Remove link is used to permanently remove a reservation from the DHCP
server configuration.
The Remove All link is used to permanently remove all reservations from the
DHCP server configuration.
Address Exclusions: A specific set of IP addresses to exclude from the scope. The
DHCP server will not grant leases to clients for any IP address in the exclusion range.
To add an exclusion, enter the starting and ending IP addresses, check or clear the
Enable checkbox, and then press the Add button.
The Enable checkbox for the entry permits an exclusion to be disabled without
actually removing the entry, then enabled again at a later time.
The Remove link is used to permanently remove an exclusion from the DHCP
server configuration.
The Remove All link is used to permanently remove all exclusions from the DHCP
server configuration.
Apply button: You must click the Apply button to save changes you make to the
DHCP server settings. If you leave this page without applying the changes, those
changes will be discarded.
Manage the DHCP server
For information on managing the DHCP server and viewing and managing lease status, see
"Manage DHCP server operation" on page 169.
C o n f i g u r e D i g i d e v i c e s
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