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FusionAccess 6.5 Alarm Handling 04

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
1007004 DHCP Servers Are Inconsistent

1007004 DHCP Servers Are Inconsistent

Description

The alarm module checks the DHCP servers every 10 minutes. This alarm is generated when the alarm module detects that the configuration files between active and standby DHCP servers are inconsistent. The ITA automatically clears the alarm when the alarm module detects that the configuration files between active and standby DHCP servers are consistent and reports recovery information.

Attribute

Alarm ID

Alarm Severity

Auto Clear

1007004

Major

Yes

Parameters

Name

Meaning

Alarm ID

Identifies an alarm. Each alarm is uniquely identified by an alarm ID and an alarm name.

Alarm Severity

Indicates the severity of an alarm. Value:

  • Critical: indicates that a fault affecting services provided by the system occurs. You need to rectify the fault immediately. If a device or resource is faulty, rectify it immediately even if the fault occurs during non-working hours.
  • Major: indicates that a fault affecting the service quality of the system occurs. You need to rectify the fault immediately. If the service quality of a device or resource is degraded, rectify it immediately during working hours.
  • Minor: indicates a fault that does not affect service quality. To prevent more serious faults, this type of alarm needs to be observed or handled if necessary.
  • Warning: indicates a fault that may affect service quality. This type of alarm must be handled based on the error type.

Alarm Name

Identifies an alarm. Each alarm is uniquely identified by an alarm ID and an alarm name.

Object Type

Specifies the type of the object for which the alarm is generated.

Alarm Object Name

Specifies the name of the object for which the alarm is generated.

Generation Time

Specifies the time when the alarm is generated.

Clear Time

Specifies the time when the alarm is cleared.

Clear Mode

Specifies whether the alarm is manually or automatically cleared.

Operation

Specifies the operation that can be performed on the alarm.

Value: Manually Clear Alarm

Impact on the System

VMs cannot obtain IP addresses using DHCP servers, and the administrator cannot provision VMs.

Possible Causes

  • The network malfunctions.
  • The configurations between active and standby DHCP servers are inconsistent.

Procedure

  1. Log in to the server where the alarm is generated using an administrator account and run the arping -c 3 -f -D -I eth0 IP address of the server where the alarm is generated command to check whether an IP conflict occurs.

    • If yes, go to Step 2.
    • If no, go to Step 4.

      If the information similar to the following is displayed, no IP conflict occurs:

      ARPING 192.168.162.11 from 0.0.0.0 eth0 
      Sent 3 probes (3 broadcast(s)) 
      Received 0 response(s) 
      (Note: The IP addresses are only examples. Use the actual IP addresses.)     

      If the information similar to the following is displayed, an IP conflict occurs:

      ARPING 192.168.162.11 from 0.0.0.0 eth0 
      Unicast reply from 192.168.162.11 [12:6E:D4:AB:CD:EF]  1.022ms 
      Sent 1 probes (1 broadcast(s)) 
      Received 1 response(s) 
      (Note: The preceding IP addresses and MAC addresses are only examples. Use the actual IP addresses and MAC addresses.)     

  2. Log in to the server that causes the IP conflict, shut down the server or change the server IP address, and run the arping -c 3 -f -D -I eth0 IP address of the server where the alarm is generated command again on the server where the alarm is generated to check whether the IP conflict persists.

    • If yes, contact Huawei technical support.
    • If no, go to Step 3.

  3. Choose FusionAccess > Alarm to check whether the alarm still exists after 15 minutes.

    • If yes, go to Step 4.
    • If no, no further operation is required.

  4. Log in to the LiteAD server as user gandalf, and check whether the peer server network is normal. Run ping -c 3 IP address of the peer server to check whether the communication is normal.

    • If yes, go to Step 6.
    • If no, go to Step 5.

      The communication is normal if the command output is as follows:

      PING 192.168.190.2 (192.168.190.2) 56(84) bytes of data. 
      64 bytes from 192.168.190.2: icmp_seq=1 ttl=64 time=0.047 ms 
      64 bytes from 192.168.190.2: icmp_seq=2 ttl=64 time=0.057 ms 
      64 bytes from 192.168.190.2: icmp_seq=3 ttl=64 time=0.058 ms 
      (Note: The IP addresses are only examples. Use the actual IP addresses.)     

  5. Locate and rectify the network fault based on the actual situation on site.
  6. Check whether DHCP is configured for only one LiteAD server.

    • If yes, configure DHCP for the other LiteAD server.
    • If no, go to Step 7.

  7. Use the administrator account to log in to the LiteAD server, run startTools, and choose Software > Custom Install > LiteAD > Configure LiteAD > Configure DHCP Scope to reconfigure active and standby DHCP servers.

  8. Choose FusionAccess > Alarm to check whether the alarm still exists after 15 minutes.

    • If yes, contact Huawei technical support.
    • If no, no further operation is required.

Related Information

None

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Updated: 2019-10-11

Document ID: EDOC1100061083

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