NTP Configuration

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NTP（Network Time Protocol）,is a protocol used to synchronize the time of individual computers in a network.

show ntp

[Command] show ntp

[Purpose] Show NTP information

[View] System view

[Use Cases]

sonic# show ntp
remote refid st t when poll reach delay offset jitter
==============================================================================
*10.250.0.240 203.107.6.88 3 u 46 64 377 0.165 10.575 3.198

ntp server

[Command] ntp serverip-address**[prefer]** no ntp serverip-address

[Purpose] Configure NTP server

[Parameter]

Parameter	Description
ip-address	NTP server ip address

[View] System configuration view

[Use Cases]

sonic(config)# ntp server 10.250.0.242

ntp source-interface

[Command] ntp source-interfaceinterface-name**[vrf {default|mgmt}]** no ntp source-interfaceinterface

[Purpose] Specify the NTP source interface

[View] System configuration view

[Notes] Configuring the local source interface for sending/receiving NTP packets can help avoid using IP addresses from other interfaces on this device as the destination address for response packets.

[Use Cases]

sonic(config)# ntp source-interface Ethernet1 vrf default