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Configure SNTP
How to Display the Current Daylight Saving Time Configuration
From the SCE# prompt, type show timezone and press Enter.
Step 1
Displays the current time zone and daylight saving time configuration.
Configure SNTP
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The Simple Network Timing Protocol (SNTP) is a simple solution to the problem of synchronizing the
clocks in the various elements of the network. SNTP provides access to a time source via the network.
The system clock and calendar are then set in accordance with this external source.
There are two options for the SNTP client. These functions are independent, and the system employ
either one or both.
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Note
It is recommended that an IP access control list be configured to prevent access from unauthorized SNTP
or NTP multicast servers (see
The following commands are relevant to SNTP configuration:
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How to Enable the SNTP Multicast Client
From the SCE(config)# prompt, type sntp broadcast client and press Enter.
Step 1
Enables the SNTP multicast client. It will accept time updates from any broadcast server.
Cisco SCE 2000 and SCE 1000 Software Configuration Guide
5-64
How to Enable the SNTP Multicast Client, page 5-64
How to Disable the SNTP Multicast Client, page 5-65
How to Enable the SNTP Unicast Client, page 5-65
How to Disable the SNTP Unicast Client, page 5-65
How to Define the SNTP Unicast Update Interval, page 5-66
How to Display SNTP Information, page 5-66
Multicast SNTP client — Listens to SNTP broadcasts and updates the system clock accordingly.
Unicast SNTP client — Sends a periodic request to a configured SNTP server, and updates the
system clock according to the server response.
[no] sntp broadcast client
[no] sntp server address
no sntp server all
sntp update-interval
show sntp
Chapter 5
Configuring Access Control Lists (ACLs), page
Configuring the Management Interface and Security
5-26).
OL-7827-12
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