H3C Technologies H3C MSR 5600 - Manual (Page 92)

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A single device can have a maximum of 128 concurrent associations, including static associations and
dynamic associations.
Perform this task to restrict the number of dynamic associations to prevent dynamic associations from
occupying too many system resources.
To configure the maximum number of dynamic associations:
Step Command Remarks
1. Enter system view. system-view N/A
2. Configure the maximum
number of dynamic sessions
allowed to be established.
ntp-service max-dynamic-sessions
number
By default, the command can
establish up to 100 dynamic
sessions.
Configuring a DSCP value for NTP packets
The DSCP value determines the sending precedence of a packet.
To configure a DSCP value for NTP packets:
Step Command Remarks
1. Enter system view. system-view N/A
2. Set a DSCP value for NTP
packets.
• IPv4 packets:
ntp-service dscp dscp-value
• IPv6 packets:
ntp-service ipv6 dscp
dscp-value
The defaults for a DSCP value:
• 48 for IPv4 NTP packets.
• 56 for IPv6 NTP packets.
Configuring the local clock as a reference source
Follow these guidelines when you configure the local clock as a reference source:
• Make sure the local clock can provide the time accuracy required for the network. After you
configure the local clock as a reference source, the local clock is synchronized, and can operate as
a time server to synchronize other devices in the network. If the local clock is incorrect, timing errors
occur.
• Before you configure this feature, adjust the local system time to make sure it is accurate.
To configure the local clock as a reference source:
Step Command Remarks
1. Enter system view. system-view N/A
2. Configure the local clock as a
reference source.
ntp-service refclock-master
[ ip-address ] [ stratum ]
By default, the device does not use
the local clock as a reference
source.