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H3C S3100 Series User Manual

H3C S3100 Series
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1-14
Configuring the Number of Dynamic Sessions Allowed on the Local Switch
A single device can have a maximum of 128 associations at the same time, including static associations
and dynamic associations. A static association refers to an association that a user has manually created
by using an NTP command, while a dynamic association is a temporary association created by the
system during operation. A dynamic association will be removed if the system fails to receive messages
from it over a specific long time. In the server/client mode, for example, when you carry out a command
to synchronize the time to a server, the system will create a static association, and the server will just
respond passively upon the receipt of a message, rather than creating an association (static or
dynamic). In the symmetric mode, static associations will be created at the symmetric-active peer side,
and dynamic associations will be created at the symmetric-passive peer side; In the broadcast or
multicast mode, static associations will be created at the server side, and dynamic associations will be
created at the client side.
Table 1-15 Configure the number of dynamic sessions allowed on the local switch
Operation Command Description
Enter system view
system-view
—
Configure the maximum number of
dynamic sessions that can be
established on the local switch
ntp-service
max-dynamic-sessions
number
Required
By default, up to 100 dynamic
sessions can be established
locally.
Disabling an Interface from Receiving NTP messages
Table 1-16 Disable an interface from receiving NTP messages
Operation Command Description
Enter system view
system-view
—
Enter VLAN interface view
interface
Vlan-interface
vlan-id
—
Disable an interface from receiving
NTP messages
ntp-service in-interface
disable
Required
By default, a VLAN interface receives
NTP messages.
Displaying NTP Configuration
After the above configurations, you can execute the display commands in any view to display the
running status of switch, and verify the effect of the configurations.
Table 1-17 Display NTP configuration
Operation Command Description
Display the status of NTP services
display ntp-service status
Display the information about the sessions
maintained by NTP
display ntp-service sessions
[
verbose
]
Available in any
view

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H3C S3100 Series Specifications

General IconGeneral
BrandH3C
ModelS3100 Series
CategorySwitch
LanguageEnglish

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