GXE502X User Manual 7/9/2008
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Version 03
8. System Configuration
System configuration and administration can be configured via the System Configuration
menu. The following sub menus can be used to manage different system configurations..

- Networking Setting

The Networking Setting sub menu allows users to configure the LAN-side IP address and
DHCP server settings, as well as the WAN-side settings like IP address of the WAN port,
Dynamic DNS and port-forwarding settings.
LAN Setting:
Set the LAN-port IP address by entering the IP address used as the LAN Base IP. Enter
the subnet mask in the LAN Subnet Mask setting.
Note: Please be advised that this setting should be configured prior to auto-provisioning phones
through the Express Setup menu. Otherwise the GXE502X will use an incorrect IP address for the
SIP server after the LAN-port IP address changes.
o DHCP Configuration:
To use the GXE502X as a DHCP server on the LAN-side, set the DHCP Enable setting
to Enable (It is enabled in the default settings). Users may specify the range of the IP
addresses offered by the DHCP server by setting the Start of DHCP IP Pool and End of
DHCP IP Pool settings. The DHCP IP Lease Time allows users to specify the number of
hours an IP address is leased to a device before renewal.
WAN Setting:
o The WAN-port can be configured to be dynamically assigned via DHCP, to use
PPPoE, or to be static. Select the radio button beside the option that you wish to
use. To use PPPoE, enter the PPPoE account, password and DNS server
information provided by the ISP in the provided fields. If statically configuring the
WAN-port IP address, please enter the IP address details from the ISP in the
provided fields.