ALM-3276800148 This object indicates the change of NTP synchronization status
Description
NTP/1/NTP_TRAP_SYNCHRONIZE_STATUS: OID [OID] NTP synchronization state changed. (hwNtpState=[STRING], hwNtpSource=[STRING], hwNtpSourceVpnName=[STRING])
NTP synchronization status changed.
Attribute
Alarm ID |
Alarm Severity |
Alarm Type |
---|---|---|
3276800148 |
Critical |
Quality of service alarm |
Parameters
Name |
Meaning |
---|---|
OID |
Indicates the MIB object ID of the alarm. |
hwNtpState |
NTP clock synchronization status |
hwNtpSource |
IP address of the synchronization source |
hwNtpSourceVpnName |
VPN name of the synchronization source |
Impact on the System
NTP status becomes unsynchronous.
Possible Causes
NTP status changed from synchronous to unsynchronous due to the following reasons:
- Cause 1: The system clock reset was configured.
- Cause 2: The specified peer was deleted.
- Cause 3: The specified peer was unreachable.
- Cause 4: The specified peer failed to be authenticated.
- Cause 5: The clock of the specified peer was not synchronized.
- Cause 6: The source stratum was greater than the local stratum.
- Cause 7: The clock service of the specified peer was disabled.
- Cause 8: The clock source stratum of the specified peer was increased.
Procedure
- Cause 1: The system clock reset was configured.
- Specify a new clock and check whether NTP enters the synchronous state.
- If NTP enters the synchronous state, go to Step 3.
- If NTP does not enter the synchronous state, go to Step 2.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Specify a new clock and check whether NTP enters the synchronous state.
- Cause 2: The specified peer was deleted.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
- If NTP enters the synchronous state, go to Step 3.
- If NTP does not enter the synchronous state, go to Step 2.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
- Cause 3: The specified peer was unreachable.
- Check the network connectivity between the clock and its peer.
- If the network is unreachable, go to Step 3.
- If the network is reachable, go to Step 2.
- Specify a new clock source and check whether NTP enters the synchronous state.
- If NTP enters the synchronous state, go to Step 4.
- If NTP does not enter the synchronous state, go to Step 3.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Check the network connectivity between the clock and its peer.
- Cause 4: The specified peer failed to be authenticated.
- Check whether NTP authentication has been configured for both the local and peer ends.
- If NTP authentication has been configured for both the local and peer ends, go to Step 2.
- If NTP authentication has not been configured for the local or peer end or for both ends, configure NTP authentication as required.
- Check whether NTP authentication keys configured for the local and peer ends are the same.
- If NTP authentication keys configured for the local and peer ends are the same, go to Step 3.
- If NTP authentication keys configured for the local and peer ends are different, reconfigure the keys so that they are the same.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Check whether NTP authentication has been configured for both the local and peer ends.
- Cause 5: The clock of the specified peer was not synchronized.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
- If NTP enters the synchronous state, go to Step 3.
- If NTP does not enter the synchronous state, go to Step 2.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
- Cause 6: The source stratum was greater than the local stratum.
- Run the display ntp status command to check the local stratum.
- If the local stratum is less than the source stratum, go to Step 2.
- If the local stratum is greater than the source stratum, go to Step 3.
- Configure a substitute clock source, ensuring that the source stratum is less than the local stratum. Check whether NTP enters the synchronous state.
- If NTP enters the synchronous state, go to Step 4.
- If NTP does not enter the synchronous state, go to Step 3.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Run the display ntp status command to check the local stratum.
- Cause 7: The clock service of the specified peer was disabled.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
- If NTP enters the synchronous state, go to Step 3.
- If NTP does not enter the synchronous state, go to Step 2.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
- Cause 8: The clock source stratum of the specified peer was increased.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
- If NTP enters the synchronous state, go to Step 3.
- If NTP does not enter the synchronous state, go to Step 2.
- Collect alarm information and configuration information, and then contact technical support personnel.
- End.
- Configure a substitute clock source and check whether NTP enters the synchronous state.
Clearing
The system automatically clears the alarm. You do not need to manually clear it.
Related Information
None
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