Ntp-Service Broadcast-Server - 3Com 5500G-EI Command Reference Manual

506 C 12: U
HAPTER SING
ntp-service
broadcast-server
S M C
YSTEM ANAGEMENT OMMANDS
undo ntp-service broadcast-client
View
VLAN interface view
Parameter
None.
Description
Use the
ntp-service broadcast-client
client mode. Use the
the NTP broadcast client mode.
By default, the NTP broadcast client mode is disabled.
Designate an interface on the local Switch to receive NTP broadcast messages and
operate in broadcast client mode. The local Switch listens to the broadcast from
the server. When it receives the first broadcast packet, it starts a brief client/server
mode to switch messages with a remote server for estimating the network delay.
Thereafter, the local Switch enters broadcast client mode and continues listening
to the broadcast and synchronizes the local clock according to the arrived
broadcast message.
Example
Configure to receive NTP broadcast packets via Vlan-Interface1.
<SW5500>system-view
System View: return to User View with Ctrl+Z.
[SW5500]interface vlan-interface1
[SW5500-Vlan-Interface1]ntp-service broadcast-client
Syntax
ntp-service broadcast-server [ authentication-keyid
number
version
undo ntp-service broadcast-server
View
VLAN interface view
Parameter
authentication-keyid
: Key ID used in broadcast, ranging from 1 to 4294967295.
keyid
: Define NTP version number.
version
: NTP version number, ranging from 1 to 3.
number
Description
Use the

ntp-service broadcast-server

server mode. Use the
the NTP broadcast server mode.
By default, the broadcast service is disabled and
undo ntp-service broadcast-client
]
: Specify the authentication key.
undo ntp-service broadcast-server
command to configure NTP broadcast
command to disable
keyid
command to configure NTP broadcast
command to disable
defaults to 3.
number
] [