Operation Manual -- NTP
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 NTP Configuration
Huawei Technologies Proprietary
1-13
Operation Command Description
Enter VLAN
interface view
interface Vlan-interface
vlan-id
—
Disable the
interface from
receiving NTP
packets
ntp-service in-interface
disable
Optional
By default, a VLAN interface
receives NTP packets.
Caution:
z The source IP address in an NTP packet is the address of the sending interface
specified by the ntp-service unicast-server command or the ntp-service
unicast-peer command if you provide the address of the sending interface in these
two commands.
z Dynamic connections can only be established when a switch operates in passive
peer mode, NTP broadcast client mode, or NTP multicast client mode. In other
modes, the connections established are static.
1.6 Displaying and Debugging NTP
After the above configuration, you can execute the display command in any view to
display the running status of the NTP configuration, and verify the effect of the
configuration.
Table 1-7 Display and debug NTP
Operation Command Description
Display the status of NTP service
display ntp-service status
Display the information about the
sessions maintained by NTP
display ntp-service
sessions [ verbose ]
Display the brief information about
the NTP time servers of the
reference clock sources that the
local device traces to
display ntp-service trace
The display
command can
be executed
in any view
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