User guide

Chapter 6 Control Configuration
SNTP
SCE 1000 2xGBE Release 2.0.10 User Guide
6-14 OL-7117-02
• Unicast SNTP client: Sends a periodic request to a configured SNTP server, and updates the
system clock according to the server response.
Note
It is recommended that an IP access control list be configured in order to prevent access from
unauthorized SNTP or NTP multicast servers.
The following commands are relevant to SNTP configuration:
• [no] sntp broadcast client
• [no] sntp server address
• no sntp server all
• sntp update-interval interval in seconds
• show sntp
Enabling SNTP multicast client
To enable the SNTP multicast client:
Step 1 From the SCE 1000(config)# prompt, type sntp broadcast client, and
press Enter.
The SNTP multicast is enabled, and will accept time updates from any broadcast server.
Disabling SNTP multicast client
To disable the SNTP multicast client:
Step 1 From the SCE 1000(config)# prompt, type no sntp broadcast client, and
press Enter.
The SNTP multicast client is disabled, and will not accept any broadcast time updates.
Enabling SNTP unicast client
To define the SNTP unicast server to be queried:
Step 1 From the SCE 1000(config)# prompt, type sntp server <address>, and
press Enter, where <address> is the IP address of the SNTP server.
The SNTP unicast server is defined, and SNTP client is enabled to query that server.