User's Manual 138 Document #: LTRT-89730
Mediant 3000
5. Configure NTP message authentication:
• In the 'NTP Authentication Key Identifier' field, configure the NTP authentication
key identifier.
• In the 'NTP Authentication Secret Key' field, configure the secret authentication
key shared between the device and the NTP server.
6. Verify that the device has received the correct date and time from the NTP server. The
date and time is displayed in the 'UTC Time' read-only field on the Time and Date
page.
Note: If the device receives no response from the NTP server, it polls the NTP server
for 10 minutes. If there is still no response after this duration, the device declares the
NTP server as unavailable, by sending an SNMP alarm (acNTPServerStatusAlarm).
The failed response could be due to incorrect configuration.
12.2 Configuring Date and Time Manually
You can manually configure the date and time of the device instead of using an NTP server
(as described in ''Configuring Automatic Date and Time using SNTP'' on page 137).
 To manually configure the device's date and time, using the Web interface:
1. Open the Time and Date page (Configuration tab > System menu > Time And
Date), and then scroll down to the 'Local Time' group:
Figure 12-3: Manually Configured Date and Time on Time and Date Page
2. In the 'Local Time' fields, enter the current date and time of the geographical location
in which the device is installed:
• Date:
♦ 'Year' in yyyy format (e.g., "2015")
♦ 'Month' in mm format (e.g., "3" for March)
♦ 'Day' in dd format (e.g., "27")
• Time:
♦ 'Hour' in 24-hour format (e.g., "4" for 4 am)
♦ 'Minutes' in mm format (e.g., "57")
♦ 'Seconds' in ss format (e.g., "45")
3. Click Submit; the date and time is displayed in the 'UTC Time' read-only field.
Notes:
• If the device is configured to obtain the date and time from an SNTP server, the
fields on this page are read-only, displaying the date and time received from the
NTP server.
• After performing a hardware reset, the date and time are returned to default values
and thus, you should subsequently update the date and time.
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