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Page 171 / 212 Scroll up to view Page 166 - 170
DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
Router and Network Management
6-23
v1.0, April 2007
•
IP Address
: The IP address of the SNMP manager.
•
Port
: The trap port of the configuration.
•
Community
: The trap community string of the configuration.
To create a new SNMP configuration entry:
1.
Select
Administration
from the main menu and
SNMP
from the submenu. The
SNMP
screen
will display.
2.
Under
Create New SNMP Configuration Entry,
enter the IP Address of the SNMP manager
in the
IP Address
field and the Subnet Mask in the
Subnet Mask
field.
•
If you want to allow only the host address to access the wireless firewall and receive traps
(for example, see
Figure 6-14
), enter an IP Address of, for example, 192.168.1.100 with a
Subnet Mask of 255.255.255.
255
.
•
If you want to allow a subnet access to the wireless firewall through SNMP, enter an IP
address of, for example,192.168.1.100 with a Subnet Mask of 255.255.255.
0
. The traps
will still be received on 192.168.1.100, but the entire subnet will have access through the
community string.
•
If you want to make the wireless firewall globally accessible using the community string,
but still receive traps on the host, enter 0.0.0.0 as the Subnet Mask and an IP Address for
where the traps will be received.
3.
Enter the trap port number of the configuration in the
Port
field. The default is 162.
4.
Enter the trap community string of the configuration in the
Community
field.
5.
Click
Add
to create the new configuration. The entry will display in the
SNMP
Configuration
table.
6.
Click
Edit
in the
Action
column adjacent to the entry to modify or change the selected
configuration.
Page 172 / 212
DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
6-24
Router and Network Management
v1.0, April 2007
The
SNMP System Info
link displays the wireless firewall identification information available to
the SNMP Manager: System Contact, System Location, and System name.
To modify the SNMP System contact information:
1.
Click the
SNMP System Info
link. The
SNMP SysConfiguration
screen will display.
2.
Modify any of the contact information that you want the SNMP Manager to use.
3.
Click
Apply
to save your settings.
Diagnostics
You can perform diagnostics such as pinging an IP address, perform a DNS lookup, display the
routing table, reboot the firewall, and capture packets.
Figure 6-14
Note:
For normal operation, diagnostics are not required
Page 173 / 212
DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
Router and Network Management
6-25
v1.0, April 2007
Select
Monitoring
from the main menu and
Diagnostics
from the submenu. The Diagnostics
screen will display.
.The functionality of the each diagnostic tool is described in the following
Table 6-5
.
Figure 6-15
Table 6-5.
Diagnostics
Item
Description
Ping or Trace an IP
address
Ping – Use this to send a ping packet request to the specified IP address. This is
often used to test a connection. If the request times out (no reply is received), this
usually means the destination is unreachable. However, some network devices can
be configured not to respond to a ping. The ping results will be displayed in a new
screen; click Back to return to the Diagnostics screen.
Trace – Often called Trace Route, this will list all Routers between the source (this
device) and the destination IP address. The Trace Route results will be displayed in a
new screen; click Back to return to the Diagnostics screen.
Perform a DNS
Lookup
A DNS (Domain Name Server) converts the Internet name (e.g. www.netgear.com) to
an IP address. If you need the IP address of a Web, FTP, Mail or other Server on the
Internet, you can do a DNS lookup to find the IP address.
Display the Routing
Table
This operation will display the internal routing table. This information is used by
Technical Support and other staff who understand Routing Tables.
Page 174 / 212
DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
6-26
Router and Network Management
v1.0, April 2007
Configuration File Management
The configuration settings of the ProSafe DGFV338 are stored within the firewall in a
configuration file. This file can be saved (backed up) to a user’s PC, retrieved (restored) from the
user’s PC, or cleared to factory default settings. You can also upgrade the firewall software with
the latest version from NETGEAR.
Settings Backup and Firmware Upgrade
Once you have installed the wireless firewall and have it working properly, you should back up a
copy of your setting so that it is if something goes wrong. When you backup the settings, they are
saved as a file on your computer. You can then restore the wireless firewall settings from this file.
The
Settings Backup and Firmware Upgrade
screen allows you to:
•
Back up and save a copy of your current settings
•
Restore saved settings from the backed-up file.
•
Revert to the factory default settings.
•
Upgrade the wireless firewall firmware from a saved file on your hard disk to use a different
firmware version.
Backup and Restore Settings
To backup and restore settings:
1.
Select
Administration
from the main menu and
Settings Backup & Upgrade
from the
submenu. The
Settings Backup and Firmware Upgrade
screen will display.
2.
Click
backup
to save a copy of your current settings.
Reboot the Router
Use this button to perform a remote reboot (restart). You can use this if the Router
seems to have become unstable or is not operating normally.
Note
: Rebooting will break any existing connections either to the Router (such as this
one) or through the Router (for example, LAN users accessing the Internet).
However, connections to the Internet will automatically be re-established when
possible.
Packet Trace
Click Packet Trace button to Select the interface and start the packet capture on that
interface.
Table 6-5.
Diagnostics
(continued)
Item
Description
Page 175 / 212
DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
Router and Network Management
6-27
v1.0, April 2007
If your browser isn’t set up to save downloaded files automatically, locate where you want to
save the file, specify file name, and click Save. If you have your browser set up to save
downloaded files automatically, the file will be saved to your browser's download location on
the hard disk.
To restore settings from a backup file:
1.
Click
Browse
. Locate and select the previously saved backup file (by default, netgear.cfg).
2.
When you have located the file, click
restore
.
An Alert page will appear indicating the status of the restore operation. You must manually
restart the wireless firewall for the restored settings to take effect.
To reset the router to the original factory default settings:
Click
default
You must manually restart the wireless firewall in order for the default settings to take effect. After
rebooting, the router's password will be
password
and the LAN IP address will be
192.168.1.1.
The wireless firewall will act as a DHCP server on the LAN and act as a DHCP client to the
Internet.
Warning:
Once you start restoring settings or erasing the router, do NOT interrupt
the process. Do not try to go online, turn off the router, shutdown the
computer or do anything else to the router until it finishes restarting!
Warning:
When you click
default,
your router settings will be erased. All firewall rules,
VPN policies, LAN/WAN settings and other settings will be lost. Please
backup your settings if you intend on using them!

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