Users Guide

Table Of Contents
494 Managing General System Settings
sntp trusted-key key_id Specify the authentication key the SNTP server must
include in SNTP packets that it sends to the switch.
The key_id number must be an encryption key ID defined
in the previous step.
sntp authenticate Require authentication for communication with the SNTP
server.
A trusted key must be configured before this command is
executed.
sntp server {ip_address |
hostname} [priority
priority] [key key_id]
[poll]
Define the SNTP server.
ip_address—The IP address (or host name) of the SNTP
server to poll. The IP address can be an IPv4 or IPv6
address.
priority—(Optional) If multiple SNTP servers are
defined, this number determines which server the switch
polls first. The priority is 1–8, where 1 is the highest
priority. The default priority is 1. Servers of the same
priority are polled in the order entered.
key_id—(Optional) Enter an authentication key to use.
The key must be previously defined by the sntp
authentication-key command.
poll—(Optional) Enable polling of this server.
sntp
{unicast|broadcast}
client enable
This command enables the SNTP client and allows the
switch to poll configured unicast SNTP servers for updates
or receive broadcasts from any SNTP server.
sntp client poll timer
seconds
Specify how often the SNTP client requests SNTP packets
from the configured server(s).
seconds—The poll interval can be 64, 128, 256, 512, or
1024 seconds.
CTRL + Z Exit to Privileged Exec mode.
show sntp configuration Verify the SNTP configuration.
show sntp status View information about the SNTP updates.
Command Purpose