1-9Configuring the device to work in the NTP broadcast client modeTo do… Use the command… RemarksEnter system view system-view —Enter VLAN interface view interface Vlan-interfacevlan-id —Configure the device to work inthe NTP broadcast client mode ntp-service broadcast-client RequiredNot configured by default.Configuring NTP Multicast ModeFor devices working in the multicast mode, you need to configure both the server and clients. Themulticast server periodically sends NTP multicast messages to multicast clients. The devices working inthe NTP multicast client mode will respond to the NTP messages, so as to start the clocksynchronization.The device can work as a multicast server or a multicast client.z A multicast server can synchronize multicast clients only after its clock has been synchronized.z The device working in the multicast server mode supports up to 1,024 multicast clients.Configuring the device to work in the multicast server modeTo do… Use the command… RemarksEnter system view system-view —Enter VLAN interface view interface Vlan-interface vlan-id —Configure the device to work inthe NTP multicast server modentp-service multicast-server[ ip-address ] [ authentication-keyidkeyid | ttl ttl-number | version number ]*RequiredNot configured bydefault.Configuring the device to work in the multicast client modeTo do… Use the command… RemarksEnter system view system-view —Enter VLAN interface view interface Vlan-interfacevlan-id —Configure the device to work inthe NTP multicast client modentp-service multicast-client[ ip-address ]RequiredNot configured by default.
