Field
Description
•
SNTP
(default value): This server uses the simple network
time protocol with UDP port 123.
•
Time Service / UDP
: This server uses the Time service
with UDP port 37.
•
Time Service / TCP
: This server uses the Time service
with TCP port 37.
•
None
: This time server is not currently used for the time re-
quest.
Time Offset from GMT
Select the offset in hours between the system time and the time
received from the time server (usually GMT).
Possible values are
-12
to
13
.
The default value is
0
.
Time Update Interval
Enter the time interval in minutes at which the time is automatic-
ally updated.
The default value is
1440
.
Time Update Policy
Enter the time period after which the system attempts to contact
the time server again following a failed time update.
Possible values:
•
Normal
(default value): The system attempts to contact the
time server after 1, 2, 4, 8, and 16 minutes.
•
Aggressive
: For ten minutes, the system attempts to con-
tact the time server after 1, 2, 4, 8 seconds and then every 10
seconds.
•
Endless
: For an unlimited period, the system attempts to
contact the time server after 1, 2, 4, 8 seconds and then every
10 seconds.
If certificates are used to encrypt data traffic in a VPN, it is ex-
tremely important that the correct time is set on the device. To
ensure this is the case, for Time Update Policy, select the
value
Endless
.
Internal Time Server
Select whether the internal time server is to be used.
The function is activated by choosing
Enabled
. Time requests
Funkwerk Enterprise Communications GmbH
5 System Management
bintec R200 Series
93
