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ntp-service multicast-client
Syntax
ntp-service multicast-client [ ip-address ]
undo ntp-service multicast-client [ ip-address ]
View
VLAN interface view
Parameter
ip-address: Multicast IP address, in the range of 224.0.1.0 to 239.255.255.255. The default IP address
is 224.0.1.1.
Description
Use the ntp-service multicast-client command to configure an Ethernet switch to operate in the NTP
multicast client mode and receive NTP multicast messages through the current interface.
Use the undo ntp-service multicast-client command to remove the configuration.
By default, no NTP operate mode is configured.
Example
# Configure the switch to receive NTP multicast messages through Vlan-interface1, with the multicast
IP address being 224.0.1.2.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] interface Vlan-interface 1
[Sysname-Vlan-interface1] ntp-service multicast-client 224.0.1.2
ntp-service multicast-server
Syntax
ntp-service multicast-server [ ip-address ] [ authentication-keyid key-id | ttl ttl-number | version
number ]*
undo ntp-service multicast-server [ ip-address ]
View
VLAN interface view
Parameter
ip-address: Multicast IP address, in the range of 224.0.1.0 to 239.255.255.255. The default IP address
is 224.0.1.1.
authentication-keyid key-id: Specifies the key ID used for sending messages to multicast clients. The
key-id argument ranges from 1 to 4294967295.
ttl ttl-number: Defines the lifetime of multicast messages. The ttl-number argument ranges from 1 to
255 and defaults to 16.
version number: Specifies the NTP version number which ranges from 1 to 3 and defaults to 3.
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