ZyXEL Communications Vantage Service Gateway VSG-1200 V2 User Manual page 58

Table 4 System Setting: System (continued)
LABEL
City
State/Province Enter the name of the state or province where the VSG is installed.
Zip/Postal
Code
Country
Contact Name Enter the name of the person to contact in case there is any problem with the VSG.
Contact
Telephone
Contact Fax
Contact Email
Date/Time
Use NTP (Network
Time Protocol)
Time Server
Server IP/
Domain Name
Time Zone
Update Time
Daylight
Savings
Start Date
End Date
NAT (Network
Address
Translation)
IP Plug and
Play (iPnP
Technology)
DNS Fake IP
Reply
Chapter 5 System
DESCRIPTION
Enter the name of the city where the VSG is installed.
Enter the ZIP or postal code of the location where is the VSG is installed.
Enter the name of the country where the VSG is installed.
Enter the telephone number of the person to contact in case there is any problem
with the VSG.
Enter the fax number of the person to contact in case there is any problem with the
VSG.
Enter the e-mail address of the person to contact in case there is any problem with
the VSG.
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/
network administrator if you are unsure of this information.
Select your time zone from the drop-down list box. This will set the time difference
between your time zone and Greenwich Mean Time (GMT).
Enter the number of hours between updates.
Select this option if you use daylight savings time.
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.
Specify the month and day that your daylight-savings time starts on if you select
Daylight Savings.
Specify the month and day that your daylight-savings time ends on if you select
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-
mail server). NAT will translate the private IP address to the public IP address on
the WAN.
VSG-1200 V2 User's Guide
58