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Knowledge Base

NTP Time Synchronization Failure

Publication Date:  2015-06-23  |   Views:  594  |   Downloads:  0  |   Document ID:  EKB1000079819

Contents

Issue Description

The eSpace IVS system runs properly. The SUSE Linux servers synchronize time in server/client mode. When the NTP server time is different from the NTP client time, a user manually performs time synchronization, but the following information is displayed:
sntp: too many bad or lost packets.

Handling Process

Step 1 Log in to the NTP server as the root user.
Step 2 Run the vi /etc/ntp.conf command to open the configuration file ntp.conf and check for the restrict ignore statement.
 If the restrict ignore statement is not found, contact Huawei technical support engineers.
 If the restrict ignore statement is found, go to the next step.
Step 3 Disable the restrict ignore statement.
1. Press I to make the file editable.
2. Move the cursor before the restrict ignore statement and enter # to comment it out.
3. Press Esc.
4. Run the :wq command to save the setting and exit.
Step 4 Log in to the NTP client and run the sntp -P no -r server IP address command to synchronize time to the NTP server.
Step 5 Check whether the fault is rectified.
If the fault is rectified, no further action is required. If the fault persists, contact Huawei technical support engineers.

Root Cause

By default, the NTP server does not allow any clients to synchronize time to it.