H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – NTP
H3C S7500E Series Ethernet Switches Chapter 1 NTP Configuration
1-14
1.4 Configuring Optional Parameters of NTP
1.4.1 Configuring the Interface to Send NTP Messages
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.
Follow these steps to configure the interface used to send NTP messages:
To do… Use the command… Remarks
Enter system view
system-view
—
Configure the interface used to
send NTP messages
ntp-service source-interface
interface-type interface-number
Required
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.
1.4.2 Disabling an Interface from Receiving NTP Messages
To do… Use the command… Remarks
Enter system view
system-view
—
Enter interface view
interface interface-type
interface-number
—
Disable the interface from
receiving NTP messages
ntp-service in-interface
disable
Required
An interface is enabled to
receive NTP messages by
default
1.4.3 Configuring the Maximum Number of Dynamic Sessions Allowed
To do… Use the command… Remarks
Enter system view
system-view
—
Configure the maximum number
of dynamic sessions allowed to
be established locally
ntp-service
max-dynamic-sessions
number
Required
100 by default