Technical Reference; Administrator Authentication On Radius; Pre-Defined Ntp Time Servers List - ZyXEL Communications NWA-3160 User Manual

Table 19 System > Time Setting
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7.5 Technical Reference

This section provides some technical information about the topics covered in this
chapter.

7.5.1 Administrator Authentication on RADIUS

The administrator authentication on RADIUS feature lets a (external or internal)
RADIUS server authenticate management logins to the NWA. This is useful if you
need to regularly change a password that you use to manage several NWAs.
Activate administrator authentication on RADIUS in the System > Password
screen and configure the same user name, password and RADIUS server
information on each NWA. Then, whenever you want to change the password, just
change it on the RADIUS server.

7.5.2 Pre-defined NTP Time Servers List

When you turn on the NWA for the first time, the date and time start at 2000-01-
01 00:00:00. When you select Auto in the System > Time Setting screen, the
NWA then attempts to synchronize with one of the following pre-defined list of
NTP time servers.
The NWA continues to use the following pre-defined list of NTP time servers if you
do not specify a time server or it cannot synchronize with the time server you
specified.
Table 20 Default Time Servers
ntp1.cs.wisc.edu
ntp1.gbg.netnod.se
ntp2.cs.wisc.edu
tock.usno.navy.mil
ntp3.cs.wisc.edu
ntp.cs.strath.ac.uk
ntp1.sp.se
time1.stupi.se
NWA-3160 Series User's Guide
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Chapter 7 System Screens
109