Netgear DGFV338 사용자 설명서
DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
Troubleshooting
8-7
v1.0, April 2007
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Your ISP could be rejecting the Ethernet MAC addresses of all but one of your PCs. Many
broadband ISPs restrict access by only allowing traffic from the MAC address of your
broadband modem, but some ISPs additionally restrict access to the MAC address of a single
PC connected to that modem. If this is the case, you must configure your firewall to “clone” or
“spoof” the MAC address from the authorized PC. Refer to
broadband ISPs restrict access by only allowing traffic from the MAC address of your
broadband modem, but some ISPs additionally restrict access to the MAC address of a single
PC connected to that modem. If this is the case, you must configure your firewall to “clone” or
“spoof” the MAC address from the authorized PC. Refer to
.
Restoring the Default Configuration and Password
This section explains how to restore the factory default configuration settings, changing the
firewall’s administration password to password and the IP address to 192.168.1.1. You can erase
the current configuration and restore factory defaults in two ways:
firewall’s administration password to password and the IP address to 192.168.1.1. You can erase
the current configuration and restore factory defaults in two ways:
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Use the Erase function of the firewall (see
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Use the reset button on the rear panel of the firewall. Use this method for cases when the
administration password or IP address is not known.
administration password or IP address is not known.
To restore the factory default configuration settings without knowing the administration password
or IP address, you must use the reset button on the rear panel of the firewall.
or IP address, you must use the reset button on the rear panel of the firewall.
1. Press and hold the reset button until the Test LED turns on and begins to blink (about 10
seconds).
2. Release the reset button and wait for the firewall to reboot.
Problems with Date and Time
The E-Mail menu in the Content Filtering section displays the current date and time of day. The
ProSafe DGFV338 uses the Network Time Protocol (NTP) to obtain the current time from one of
several Network Time Servers on the Internet. Each entry in the log is stamped with the date and
time of day. Problems with the date and time function can include:
ProSafe DGFV338 uses the Network Time Protocol (NTP) to obtain the current time from one of
several Network Time Servers on the Internet. Each entry in the log is stamped with the date and
time of day. Problems with the date and time function can include:
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Date shown is January 1, 2000. Cause: The firewall has not yet successfully reached a
Network Time Server. Check that your Internet access settings are configured correctly. If you
have just completed configuring the firewall, wait at least five minutes and check the date and
time again.
Network Time Server. Check that your Internet access settings are configured correctly. If you
have just completed configuring the firewall, wait at least five minutes and check the date and
time again.