Configuring Optional Parameters Of Ntp - 3Com Switch 4800G 24-Port Configuration Manual

956 C 77: NTP C
HAPTER
Configuring Optional
Parameters of NTP
Configuring the
Interface to Send NTP
Messages
Disabling an Interface
from Receiving NTP
Messages
ONFIGURATION
To do...
Enter interface view
Configure the switch to work
in the NTP multicast client
mode
Configuring the multicast server
To do...
Enter system view
Enter interface view
Configure the switch to
work in the NTP
multicast server mode
n
A multicast server can synchronize broadcast clients only after its clock has
■
been synchronized.
You can configure up to 1024 multicast clients, among which 128 can take
■
effect at the same time.
After you specify the interface used to send NTP messages, the source IP address
of the NTP message will be configured as the primary IP address of the specified
interface.
Following these steps to configure the interface used to send NTP messages:
To do...
Enter system view
Configure the interface used to
send NTP messages
c
CAUTION: If you have specified an interface in the ntp-service unicast-server or
ntp-service unicast-peer command, this interface will be used for sending NTP
messages.
To do...
Enter system view
Enter interface view
Use the command...
interface interface-type
interface-number
ntp-service multicast-client
[ ip-address ]
Use the command...
system-view
interface interface-type
interface-number
ntp-service multicast-server
[ ip-address ] [ authentication-keyid
keyid | ttl ttl-number | version
number ] *
Use the command...
system-view
ntp-service source-interface
interface-type interface-number
Use the command...
system-view
interface interface-type
interface-number
Remarks
Enter the interface used to
receive NTP multicast
messages
Required
Remarks
-
Enter the interface used to
send NTP multicast
message
Required
Remarks
-
Required
Remarks
-
-