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RTN510 V100 Typical Troubleshooting in Site Deployment 01

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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).
Troubleshooting the Failure to Manage Devices Remotely

Troubleshooting the Failure to Manage Devices Remotely

This section describes the symptoms and possible causes when the RTN510 fails to be managed remotely. In addition, this section describes the required tools, precautions, and procedures for rectifying the failure.

Symptom

The RTN510 cannot be remotely managed.

Possible Cause

  • Cause 1: The IP address of an NE is changed and cannot be pinged.
  • Cause 2: After the DHCP pool address is changed, the DHCP client is not updated.
  • Cause 3: The IP address of the NE cannot be pinged because packets from the IP address carry VLAN 4094.
  • Cause 4: The PowerCube 500 of an earlier version does not support L2DCN and therefore cannot transparently transmit L2DCN packets from the AP/RT.

Tools, Instruments, and Materials

  • Web-based NMS

Procedure

  1. Cause 1: The IP address of an NE is changed and cannot be pinged.
    1. Check whether the DHCP client function is enabled on the device.

      If...

      Then...

      Yes

      Disable the DHCP client function to check whether the IP address of the NE can be connected. If no, go to 2.
      NOTE:
      By default, the DHCP client function is enabled on the RT. If you need to manually configure the IP address of the NE (that is, you do not want to use the DHCP function), disable the DHCP function.

      No

      Go to 2.

  2. Cause 2: After the DHCP pool address is changed, the DHCP client is not updated.
    1. Check whether the DHCP pool address has been modified recently.

      If...

      Then...

      Yes

      Wait for the DHCP client to automatically update its IP address after the DHCP aging time elapses. Then, check whether the NE can be managed. If no, go to 3.

      No

      Go to 3.

  3. Cause 3: The IP address of the NE cannot be pinged because packets from the IP address carry VLAN 4094.
    1. Check whether the IP address of the NE is used for remote management.

      If...

      Then...

      Yes

      Management IP packets contain VLAN 4094. Therefore, when a connection is established to the NE over a Layer 2 network, VLAN 4094 needs to be removed. Otherwise, the PC or the NIC of the server needs to support VLAN 4094. In the case of a Layer 3 network, VLAN 4094 needs to be terminated on the gateway through a subinterface or VLANIF before IP forwarding. Check whether the NE can be managed. If no, go to 4.

      No

      Go to 4.

  4. Cause 4: The PowerCube 500 of an earlier version does not support L2DCN and therefore cannot transparently transmit L2DCN packets from the AP/RT.
    1. Check whether the software version of the PowerCube 500 is earlier than V200R001C10SPC300.

      If...

      Then...

      Yes

      Upgrade the PowerCube 500 to V200R001C10SPC300 or later. Then, check whether the NE can be managed. If no, go to 5.

      No

      Go to 5.

  5. If the failure persists, contact Huawei technical support engineers.

Reference Information

For details about DCN configuration, see the Safe City RTN510 and PowerCube 500 DCN Configuration Guide

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Updated: 2019-03-19

Document ID: EDOC1100071541

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