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Switch NTP clock Synchronization issue with server

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Issue Description

NTP clock Synchronization issue with server

Alarm Information

1-Check NTP Configuration status

[SW] display ntp-service status

clock status: unsynchronized

Handling Process

1- Ping connection to server IP and connection Reachable

2- Review the NTP Server configuration :

[HUAWEI] display current-configuration configuration ntp


ntp-service authentication enable //Enable NTP authentication.

ntp-service authentication-keyid 1 authentication-mode md5 cipher @%@%*=$5;Ev+kSvxe^;%p@,J#*b:@%@% //Set the NTP authentication key.

ntp-service unicast-server preference

ntp-service unicast-server




Root Cause

Key ID and Authetication mismatch between the Server and Client



Reconfigure the Key id and Authetication mode:

[SW]ntp-service authentication-keyid 1 authentication-mode md5 cipher <Password>



you can vlidate using the followng method :

 <SW> display ntp-service sessions verbose

clock source:

clock stratum: 4

clock status: configured, master, sane, valid

reference clock ID:

local mode: client, local poll: 64, current poll: 64

peer mode: server, peer poll: 64, now: 25

offset: 9.7170 ms, delay: 39.16 ms, disper: 0.26 ms

root delay: 190.22 ms, root disper: 93.11 ms

reach: 377, sync dist: 0.214, sync state: 3

precision: 2^17, version: 3, peer interface: wildcard

reftime: 08:41:59.430 UTC Oct 13 2016(DBA9C757.6E2E5DE1)

orgtime: 08:43:59.175 UTC Oct 13 2016(DBA9C7CF.2CFE047D)

rcvtime: 08:43:59.200 UTC Oct 13 2016(DBA9C7CF.334373F3)

xmttime: 08:43:59.146 UTC Oct 13 2016(DBA9C7CF.256B65A9)

filter delay :  0.04   0.05   0.00   0.00   0.00   0.00   0.00   0.00

filter offset:  0.01   0.00   0.00   0.00   0.00   0.00   0.00   0.00 

filter disper:  0.00   0.00  16.00  16.00  16.00  16.00  16.00  16.00

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