Disabling An Interface From Receiving Ntp Messages; Configuring The Maximum Number Of Dynamic Sessions Allowed - 3Com 4500G Family Configuration Manual

Following these steps to specify the source interface for NTP messages:
To do...
Enter system view
Specify the source interface for
NTP messages
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.
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.
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...
Enter system view
Enter interface view
Disable the interface from
receiving NTP messages

Configuring the Maximum Number of Dynamic Sessions Allowed

To do...
Enter system view
Configure the maximum
number of dynamic sessions
allowed to be established
locally
Use the command...
system-view
ntp-service source-interface
interface-type interface-number
Use the command...
system-view
interface interface-type
interface-number
ntp-service in-interface
disable
Use the command...
system-view
ntp-service
max-dynamic-sessions
number
1-12
Remarks
—
Required
By default, no source interface
is specified for NTP messages,
and the system uses the IP
address of the interface
determined by the matching
route as the source IP address
of NTP messages.
Remarks
—
—
Required
An interface is enabled to
receive NTP messages by
default.
Remarks
—
Required
100 by default