Operation Manual – NTPH3C S3600 Series Ethernet Switches-Release 1510 Chapter 1 NTP Configuration1-71.2.2 Configuration ProcedureTable 1-2 Configure NTP implementation modesOperation Command DescriptionEnter system view system-view —Configure the switch tooperate in NTP clientmodentp-serviceunicast-server{ remote-ip |server-name }[ authentication-keyidkey-id | priority |source-interfaceVlan-interface vlan-id |version number ]*OptionalBy default, no Ethernetswitch operates in NTPclient mode.Configure the switch tooperate in NTP peermodentp-serviceunicast-peer { remote-ip |peer-name }[ authentication-keyidkey-id | priority |source-interfaceVlan-interface vlan-id |version number ]*OptionalBy default, no Ethernetswitch operates in NTPpeer mode.Enter VLAN interfaceviewinterface Vlan-interfacevlan-id —Configure the switch tooperate in the NTPbroadcast client modentp-servicebroadcast-clientOptionalBy default, no Ethernetswitch operates in NTPbroadcast client mode.Configure the switch tooperate in NTP broadcastserver modentp-servicebroadcast-server[ authentication-keyidkey-id | version number ]*OptionalBy default, no Ethernetswitch operates in NTPbroadcast server mode.Configure the switch tooperate in NTP multicastclient modentp-servicemulticast-client[ ip-address ]OptionalBy default, no Ethernetswitch operates in NTPmulticast client mode.Configure the switch tooperate in NTP multicastserver modentp-servicemulticast-server[ ip-address ][ authentication-keyidkeyid | ttl ttl-number |version number ]*OptionalBy default, no Ethernetswitch operates in NTPmulticast server mode.