3com 5500-ei pwr Guia De Referência

 

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ntp-service multicast-client [ ip-address ] 

undo ntp-service multicast-client [ ip-address ] 

VLAN interface view  

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. 

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. 

# 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 [ ip-address ] [ authentication-keyid  key-id  |  ttl  ttl-number  | version 

number ]* 

undo ntp-service multicast-server [ ip-address ] 

VLAN interface view 

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.