H3C Technologies H3C S7500E Series Switches - Manual (Page 79)

3-15
z If you have specified the source interface for NTP messages in the ntp-service
unicast-server or ntp-service unicast-peer command, the interface specified in the
ntp-service unicast-server or ntp-service unicast-peer command serves as the source
interface of NTP messages.
z If you have configured the ntp-service broadcast-server or ntp-service multicast-server
command, the source interface of the broadcast or multicast NTP messages is the interface
configured with the respective command.
z If the specified source interface for NTP messages is down, the source IP address for an
NTP message that is sent out is the primary IP address of the outgoing interface of the NTP
message.
Disabling an Interface from Receiving NTP Messages
When NTP is enabled, NTP messages can be received from all the interfaces by default, and
you can disable an interface from receiving NTP messages through the following configuration.
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.
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