Skip to main content
NetApp Knowledge Base

CONTAP-500629: NTP synchronization fails after LIF IP change

  1. Last updated
  2. Save as PDF
Views:
47
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
core
Last Updated:

Issue

  • NTP synchronization fails after LIF IP change

Example:
::*> network interface show
            Logical    Status     Network            Current       Current Is
Vserver     Interface  Admin/Oper Address/Mask       Node          Port    Home
----------- ---------- ---------- ------------------ ------------- ------- ----
clus1
            clus1-01_node_mgmt
                         up/up    10.63.58.236/18    clus1-01      e0c     true
 
::*> ntp status show
  (cluster time-service ntp status show)
 
Node: clus1-01
Server                  Reachable  Selection State                Offset (ms)
----------------------- ---------  ------------------------------ ------------
10.235.48.111                true  Currently Selected Server              0.11
 
  • Messages confirm on creating/updating ntpd config:

00000001.00006941 0000d99c Wed Jul 23 2025 20:05:47 +00:00 [ntp:info] 1 2025-07-23T20:05:47.152010+00:00 clus1-01 ntpd 47502 - - Listen normally on 0 e0c 10.63.58.236 ipspace DEFAULT
 
  • Modify IP:

::*> network interface modify -vserver clus1 -lif clus1-01_node_mgmt -address 10.63.6.129
 
  • NTP server no longer reachable:

::*> ntp status show
  (cluster time-service ntp status show)
 
Node: clus1-01
Server                  Reachable  Selection State                Offset (ms)
----------------------- ---------  ------------------------------ ------------
10.235.48.111               false  Server Not Responding or Too           0.00
                                   Distant
 
::*> ntp status show -instance
  (cluster time-service ntp status show)
 
                                      Node: clus1-01
NTP Server Host Name, IPv4 or IPv6 Address: 10.235.48.111
                         Server IP Address: 10.235.48.111
Is Peer Reachable and Responding to Polls?: false
         Is Peer Selected as Clock Source?: false
                 State of Server Selection: reject
     Description of Server Selection State: Server Not Responding or Too Distant        <<<<
                      Poll Interval (secs): 64
                Time from Last Poll (secs): 550
              Offset from Server Time (ms): 0.00
                 Delay Time to Server (ms): 0.00
                 Maximum Offset Error (ms): 0.74
                    Reachability of Server: 00
                   Stratum of Server Clock: 3
                 Reference Clock at Server: 10.251.1.186
           Reported Packet and Peer Errors: peer_dist, peer_unreach                      <<<<<
 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.