Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 6 NTP Configuration Commands
3Com Corporation
6-8
enters the client mode to listen to the broadcast packets and synchronizes the local
clock according to the received broadcast packets.
Example
# Enable the interface Ethernet 1/0/1 to receive NTP broadcast packets.
[3com] interface ethernet 1/0/1
[3com-Ethernet1/0/1] ntp-service broadcast-client
6.1.9 ntp-service broadcast-server
Syntax
ntp-service broadcast-server [ authentication-keyid keyid | version number ] *
undo ntp-service broadcast-server
View
Interface view
Parameter
authentication-keyid: Specifies an ID authentication key.
keyid: Key ID number used when transmitting messages to broadcast clients. It is in the
range 1 to 4294967295.
version: Specifies an NTP version.
number: NTP version in the range 1 to 3.
Description
Use the ntp-service broadcast-server command to configure NTP broadcast server
mode.
Use the undo ntp-service broadcast-server command to cancel NTP broadcast
server mode.
By default, broadcast service is not configured and NTP version 3 is used.
This command specifies the interface to transmit NTP broadcast packets. In broadcast
server mode, the local device operates as a broadcast server to transmit broadcast
messages periodically to the broadcast clients.
Example
# Specify Ethernet 1/0/0 to transmit NTP broadcast packets, use the key numbered four
for encryption, and set NTP version number to three.
[3com] interface ethernet 1/0/0
[3com-Ethernet1/0/0] ntp-service broadcast-server authentication-key 4
version 3