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Page 146 / 203 Scroll up to view Page 141 - 145
146
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Chapter 8:
VPN Firewall and Network Management
ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
WARNING!
Do not try to go online, turn off the VPN firewall, shutdown the
computer or do anything else to the VPN firewall until the VPN
firewall finishes the upgrade! When the Test light turns off, wait a
few more seconds before continuing.
4.
After the VPN firewall has rebooted, check the firmware version in the Router Status
screen to verify that your VPN firewall now has the new firmware installed.
Note:
In some cases, such as a major upgrade, it may be necessary to
erase the configuration and manually reconfigure your VPN firewall
after upgrading it. Refer to the notes on the firmware download page
to find out if this is required.
Configuring Date and Time Service
Date, time and NTP server designations can be configure on the Time Zone screen. Network
Time Protocol (NTP) is a protocol that is used to synchronize computer clock times in a network
of computers.
To set time, date, and NTP servers:
1.
Select Administration > Time Zone from the menu. The Time Zone screen is displayed.
2.
From the
Date/Time
drop-down list, choose the local time zone. This is required in order
for scheduling to work correctly. The VPN firewall includes a real-time clock (RTC),
which it uses for scheduling.
3.
If supported in your region, select
Automatically Adjust for Daylight Savings Time
.
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Chapter 8:
VPN Firewall and Network Management
|
147
ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
4.
Select an NTP Server option:
•
Use Default NTP Servers
. The RTC is updated regularly by contacting a NETGEAR
NTP server on the Internet. A primary and secondary (backup) server are preloaded.
•
Use Custom NTP Servers
. To use a particular NTP server, enter the name or IP
address of the NTP Server in the
Server 1 Name/IP Address
field. You can enter the
address of a backup NTP server in the
Server 2 Name/IP Address
field. If you select
this option and leave either the Server 1 or Server 2 fields empty, they will be set to
the default Netgear NTP servers.
Note:
If you select the default NTP servers or if you enter a custom server
FQDN, the VPN firewall must determine the IP address of the NTP
server by a DNS lookup. You must configure a DNS server address
on the WAN ISP Settings before the VPN firewall can perform this
lookup.
5.
Click
Apply
to save your settings.
Page 148 / 203
Chapter 9:
Monitoring System Performance
|
148
Monitoring System Performance
9
This chapter describes the full set of system monitoring features of your ProSafe Dual WAN
Gigabit Firewall with SSL & IPsec VPN FVS336Gv2. You can be alerted to important events such
as WAN port rollover, WAN traffic limits reached, and login failures and attacks. You can also
view status information about the network storage, WAN ports, LAN ports, and VPN tunnels.
This chapter contains the following sections:
•
Enabling the Traffic Meter
” on this page.
•
“Activating Notification of Events and Alerts”
on page 150.
•
“Viewing the Logs”
on page 153.
•
“Viewing VPN Firewall Configuration and System Status”
on page 154.
•
“Monitoring the Status of WAN Ports”
on page 156.
•
“Monitoring Attached Devices”
on page 156.
•
“Viewing the DHCP Log”
on page 157.
•
“Monitoring Active Users”
on page 158.
•
“Viewing Port Triggering Status”
on page 159.
•
“Monitoring VPN Tunnel Connection Status”
on page 160.
•
“Viewing the VPN Logs”
on page 161.
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Chapter 9:
Monitoring System Performance
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149
ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
Enabling the Traffic Meter
If your ISP charges by traffic volume over a given period of time, or if you want to study traffic
types over a period of time, you can activate the Traffic Meter for one or both WAN ports.
To monitor traffic limits on each of the WAN ports:
1.
Select Monitoring > Traffic Meter from the menu, and then the
WAN1 Traffic Meter
tab.
The
WAN1 Traffic Meter
screen is displayed:
2.
Enable the traffic meter by clicking the
Yes
radio button under
Do you want to enable
Traffic Metering on WAN1?
The traffic meter will record the volume of Internet traffic
passing through the WAN1. Select the following options:
•
No Limit.
Any specified restrictions will not be applied when traffic limit is reached.
•
Download only.
The specified restrictions will be applied to the incoming traffic only
•
Both Directions.
The specified restrictions will be applied to both incoming and
outgoing traffic only
•
Monthly Limit
. Enter the monthly volume limit and select the desired behavior when
the limit is reached.
Page 150 / 203
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|
Chapter 9:
Monitoring System Performance
ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336Gv2 Reference Manual
Note:
Both incoming and outgoing traffic are included in the limit
•
Increase this month limit by
. Temporarily increase the traffic limit if you have
reached the monthly limit, but need to continue accessing the Internet. Select the
checkbox and enter the desired increase. (The checkbox will automatically be cleared
when saved so that the increase is only applied once.)
•
This month limit
. Displays the limit for the current month.
3.
In the
Traffic Counter
section, make your traffic counter selections:
•
Restart Traffic Counter Now
. Select this option and click
Apply
to restart the traffic
counter immediately.
•
Restart Traffic Counter at a Specific Time
. Restart the traffic counter at a specific
time and day of the month. Fill in the time fields and choose
AM
or
PM
and the day of
the month from the drop-down lists.
•
Send e-mail report before restarting counter
. An e-mail report will be sent
immediately before restarting the counter. You must configure the e-mail capability in
order for this function to work (see
“Activating Notification of Events and Alerts”
on
page 150).
4.
In the
When limit is reached
section, make the following choice:
•
Block all traffic
. All access to and from the Internet will be blocked.
•
Block all traffic except E-mail
. Only e-mail traffic will be allowed. All other traffic will
be blocked.
•
Send E-mail alert.
You must configure the e-mail capability in order for this function
to work (see
“Activating Notification of Events and Alerts”
on page 150).
5.
Click
Apply
to save your settings.
To configure the traffic meter for the WAN2 port, click the
WAN2 Traffic Meter
tab and repeat
this process
The
Internet Traffic Statistics
section displays statistics on Internet traffic via the WAN port.
If you have not enabled the Traffic Meter, these statistics are not available.
Click the
Traffic by Protocol
link, in the upper right header, to see a report of the Internet
traffic by type. The volume of traffic for each protocol will be displayed in a popup window.
Traffic counters are updated in MBytes scale; the counter starts only when traffic passed is at
least 1MB.
Activating Notification of Events and Alerts
The Firewall Logs can be configured to log and then e-mail denial of access, general attack
information, and other information to a specified e-mail address. For example, your network
storage will log security-related events such as: accepted and dropped packets on different
segments of your LAN; denied incoming and outgoing service requests; hacker probes and

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