Dell S4048T, Configuration Manual

Page: 1077 / 1277

ntp authenticate
2 Set an authentication key.
CONFIGURATION mode
ntp authentication-key number md5 key
Configure the following parameters:
•
number
: the range is from 1 to 4294967295. This
number
must be the same as the
number
in the
ntp trusted-key
command.
•
key
: enter a text string. This text string is encrypted.
3 Define a trusted key.
CONFIGURATION mode
ntp trusted-key number
Configure a number from 1 to 4294967295.
The
number
must be the same as the
number
used in the
ntp authentication-key
command.
4 Configure an NTP server.
CONFIGURATION mode
ntp server [vrf] <vrf-name> {hostname | ipv4-address |ipv6-address} [ key
keyid ] [prefer] [version number ]
Configure the IP address of a server and the following optional parameters:
• •
vrf-name
: Enter the name of the VRF through which the NTP server is reachable.
•
hostname
: Enter the keyword hostname to see the IP address or host name of the remote
device.
•
ipv4-address
: Enter an IPv4 address in dotted decimal format (A.B.C.D).
•
ipv6-address
: Enter an IPv6 address in the format
0000:0000:0000:0000:0000:0000:0000:0000. Elision of zeros is supported.
•
key keyid
: Configure a text string as the key exchanged between the NTP server and the
client.
•
prefer
: Enter the keyword prefer to set this NTP server as the preferred server.
•
version number
: Enter a number as the NTP version. The range is from 1 to 4.
5 Configure the switch as NTP master.
CONFIGURATION mode
ntp master <stratum>
To configure the switch as NTP Server use the
ntp master<stratum>
command.
stratum
number
identifies the NTP Server's hierarchy.
Examples of Configuring and Viewing an NTP Configuration
The following example shows configuring an NTP server.
R6_E300(conf)#1w6d23h : NTP: xmit packet to 192.168.1.1:
leap 0, mode 3, version 3, stratum 2, ppoll 1024
rtdel 0219 (8.193970), rtdsp AF928 (10973.266602), refid C0A80101 (192.168.1.1)
ref CD7F4F63.6BE8F000 (14:51:15.421 UTC Thu Apr 2 2009)
org CD7F4F63.68000000 (14:51:15.406 UTC Thu Apr 2 2009)
System Time and Date 1077