C
HAPTER
4
| Basic Management Tasks
Setting the System Clock
– 137 –
Figure 15: Specifying SNTP Time Servers
SPECIFYING NTP TIME SERVERS
Use the System > Time (Configure Time Server – Add NTP Server) page to
add the IP address for up to 50 NTP time servers.
CLI REFERENCES
â—† "ntp server" on page 755
PARAMETERS
The following parameters are displayed:
◆ NTP Server IP Address – Adds the IPv4 or IPv6 address for up to 50
time servers. The switch will poll the specified time servers for updates
when the clock maintenance type is set to NTP on the System > Time
(Configure General) page. It issues time synchronization requests at a
fixed interval of 1024 seconds. The switch will poll all the time servers
configured, the responses received are filtered and compared to
determine the most reliable and accurate time update for the switch.
◆ Version – Specifies the NTP version supported by the server.
(Fixed: Version 3)
◆ Authentication Key – Specifies the number of the key in the NTP
Authentication Key List to use for authentication with the configured
server. NTP authentication is optional. If enabled on the System > Time
(Configure General) page, you must also configure at least one key on
the System > Time (Add NTP Authentication Key) page.
(Range: 1-65535)
WEB INTERFACE
To add an NTP time server to the server list:
1. Click System, then Time.
2. Select Configure Time Server from the Step list.
3. Select Add NTP Server from the Action list.
4. Enter the IP address of an NTP time server, and specify the index of the
authentication key if authentication is required.
5. Click Apply.
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