Operation Manual -- NTP 
Quidway S3900 Series Ethernet Switches-Release 1510  Chapter 1  NTP Configuration
 
Huawei Technologies Proprietary 
1-7 
1.2.2  Configuring NTP Implementation Modes 
Table 1-2 Configure NTP implementation modes 
Operation  Command  Description 
Enter system view 
system-view 
— 
Configure to 
operate in the NTP 
client mode 
ntp-service  unicast-server 
{  remote-ip | server-name } 
[  authentication-keyid 
key-id | priority | 
source-interface 
Vlan-interface vlan-id | 
version number ]* 
Optional 
By default, no Ethernet switch 
operates in the NTP client 
mode
 
Configure to 
operate in the NTP 
peer mode 
ntp-service  unicast-peer 
{  remote-ip  |  peer-name  } 
[  authentication-keyid 
key-id | priority | 
source-interface 
Vlan-interface vlan-id | 
version number ]* 
Optional 
By default, no Ethernet switch 
operates in the NTP peer 
mode 
Enter VLAN 
interface view 
interface Vlan-interface 
vlan-id 
— 
Configure to 
operate in the NTP 
broadcast client 
mode 
ntp-service 
broadcast-client 
Optional 
By default, no Ethernet switch 
operates in the NTP 
broadcast client mode 
Configure to 
operate in the NTP 
broadcast server 
mode 
ntp-service 
broadcast-server 
[  authentication-keyid 
key-id | version number ]* 
Optional 
By default, no Ethernet switch 
operates in the NTP 
broadcast server mode 
Configure to 
operate in the NTP 
multicast client 
mode 
ntp-service 
multicast-client 
[ ip-address ] 
Optional 
By default, no Ethernet switch 
operates in the NTP multicast 
client mode 
Configure to 
operate in the NTP 
multicast server 
mode 
ntp-service 
multicast-server 
[  ip-address ] 
[  authentication-keyid 
keyid | ttl  ttl-number | 
version number ]* 
Optional 
By default, no Ethernet switch 
operates in the NTP multicast 
server mode