Netgear FVS336G-300NAS Specifications download pdf (Page 560)

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Optimize Performance and Manage Your System

560

ProSAFE Dual WAN Gigabit WAN SSL VPN Firewall FVS336Gv3

8. Click the Apply button.

Your settings are saved.

Select NTP Mode In all three NTP modes, the VPN firewall functions both as a client and a server.

The VPN firewall synchronizes its clock with the specified NTP server or servers

and provides time service to clients. From the menu, select the NTP mode:

• Authoritative Mode. The VPN firewall synchronizes its clock with the

specified NTP server or servers on the Internet. If external servers are

unreachable, the VPN firewall’s RTC provides time service to clients. In

authoritative mode, you can enter a stratum value and set the date and time

manually.

• Sync to NTP Servers on Internet. The VPN firewall synchronizes its clock

with the specified NTP server or servers on the Internet. If external servers

are unreachable, the VPN firewall does not use its RTC.

• Sync to NTP Servers on VPN. The VPN firewall synchronizes its clock with

the specified NTP server on the VPN. If the server is unreachable, the VPN

firewall does not use its RTC. You must select a VPN policy that enables the

VPN firewall to contact the NTP server on the VPN.

Select Stratum In authoritative mode, enter a stratum value, which indicates the distance from a

reference clock. The default value is 10, which specifies an unsynchronized local

clock and causes NTP to use the VPN firewall’s RTC when the specified NTP

server is not available.

Set date and time

manually

This is an optional setting that is available in authoritative mode. Select the Set

date and time manually check box to unmask the time (hour, minute, second),

Day, Month, and Year fields. Enter the date and time.

Select VPN Policy When the VPN firewall is configured to synchronize to an NTP server on the VPN,

select the VPN policy from the menu. For information about configuring VPN

policies, see Manage VPN Policies on page 381.

NTP Servers (default or

custom)

Select an NTP server option:

• Use Default NTP Servers. The VPN firewall regularly updates its RTC by

contacting a default NETGEAR NTP server on the Internet.

• Use Custom NTP Servers. The VPN firewall regularly updates its RTC by

contacting one of two custom NTP servers (primary and backup), both of

which you must specify in the fields that become available with this selection.

Note: If you select the Use Custom NTP Servers option but leave either the

Server 1 Name / IP Address or Server 2 Name / IP Address field blank, both

fields are set to the default NETGEAR NTP servers.

Note: A list of public NTP servers is available at

http://support.ntp.org/bin/view/Servers/WebHome.

NTP Servers (custom) In the Server 1 Name / IP Address field, enter the IP address or host name of the

primary NTP server.

In the Server 2 Name / IP Address field, enter the IP address or host name of the

backup NTP server.

Setting Description

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Netgear FVS336G-300NAS Specifications Page 560

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