Table 3 System Setting: System - ZyXEL Communications VSG-1200 User Manual

VSG-1200 User's Guide
The following table describes the labels in this screen.

Table 3 System Setting: System

LABEL
System/ Host
Name
Domain Name
Date/Time
Use NTP (Network
Time Protocol)
Time Server
Server IP/ Domain
Time Zone Select your time zone from the drop-down list box. This will set the time difference
Update Time Enter the number of hours between updates.
Daylight Savings Select this option if you use daylight savings time.
Start Date Specify the month and day that your daylight-savings time starts on if you select
End Date Specify the month and day that your daylight-savings time ends on if you select
NAT (Network
Address
Translation)
IP Plug and Play
(iPnP Technology)
DNS Fake IP
Layer 2 Isolation
Security
44
DESCRIPTION
Enter a descriptive name (up to 32 characters) for identification purposes.
Enter the domain name (if you know it) here. If you leave this field blank, the VSG
may obtain a domain name from a DHCP server.
The domain name entered by you is given priority over the DHCP server assigned
domain name.
To manually set the system date and time, select the appropriate choices from the
Date and Time drop-down list boxes.
Click Get from my Computer to set the time and date on the VSG to be the same
as the computer that you use to configure the VSG.
If you select Use NTP (Network Time Protocol) Time Server option and set the
necessary fields, you can click Get from NTP Server to update the time and date
on the VSG from the NTP time server.
Select this option to have the VSG get the date and time information from a time
server.
Enter the IP address or the domain name of the time server. Check with your ISP/
Name network administrator if you are unsure of this information.
between your time zone and Greenwich Mean Time (GMT).
Daylight saving is a period from late spring to early fall when many countries set
their clocks ahead of normal local time by one hour to give more daytime light in
the evening.
Daylight Savings.
Daylight Savings.
NAT (RFC 1631) is the translation of the IP address of a host in a packet, for
example, the source address of an outgoing packet, used within one network to a
different IP address known within another network.
Select Enable to activate Network Address Translation (NAT). Enable this feature
to set your VSG to map multiple local IP addresses to one global IP address. This
is the default selection.
Select Disable to deactivate NAT.
Select this option to allow plug-and-play Internet access which means that
subscribers do not have to change their network settings. This feature is activated
by default.
Select this option to assign private IP address to a network device (such as the e-
Reply mail server). NAT will translate the private IP address to the public IP address on
the WAN.
If you activate NAT, select Enable in this field to prevent communication between
subscribers. This is the default selection.
Select Disable to deactivate layer 2 security and allow communication between
subscribers.
Chapter 3 The Web Configurator