Ntp-Service Multicast-Client; Ntp-Service Multicast-Server - 3Com 5500-EI PWR Reference Manual

ntp-service multicast-client

Syntax
ntp-service multicast-client [ ip-address ]
undo ntp-service multicast-client [ ip-address ]
View
VLAN interface view
Parameters
ip-address: Multicast IP address, in the range of 224.0.1.0 to 224.0.1.255. 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 packets through the current interface.
Use the undo ntp-service multicast-client command to remove the configuration.
By default, no NTP operate mode is configured.
Examples
# Configure the switch to receive NTP multicast packets through VLAN-interface 1, 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
Parameters
ip-address: Multicast IP address, in the range of 224.0.1.0 to 224.0.1.255. The default IP address is
224.0.1.1.
authentication-keyid key-id: Specifies the key ID used for sending packets to multicast clients. The
key-id argument ranges from 1 to 4294967295.
ttl ttl-number: Defines the lifetime of multicast packets. 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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