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Basic Storage Service Configuration Guide for Block

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, 6800F V5, 18500 V5, 18800 V5, 18500F V5, and 18800F V5. It describes the basic storage services and explains how to configure and manage them.

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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).
Modifying an Ethernet Port

Modifying an Ethernet Port

When the networking mode between a storage system and an application server changes, modify the settings of Ethernet port parameters to ensure proper communication.


  • Change the IP address of an Ethernet port only when necessary. Before changing the IP address of an Ethernet port, ensure that redundant connections are available or stop services carried by this port.
  • The IP addresses of an Ethernet port and internal heartbeat must be on different network segments.

    The default IP addresses of internal heartbeat on a dual-controller storage system are and, and those of internal heartbeat on a four-controller storage system are,,, and

  • Internal heartbeat links enable the controllers to detect each other's working status. Heartbeat links do not require separate cable connections. The internal heartbeat IP addresses are assigned before delivery and cannot be changed.
  • The IP address of an Ethernet port cannot be in the same network segment as that of a management network port.
  • The IP address of an Ethernet port cannot be in the same network segment as that of a maintenance network port. The default IP address of the maintenance network port must fall within the 172.31.XXX.XXX segment.
  • If an Ethernet port connects to an application server, the IP address of the Ethernet port must be in the same network segment as that of the service network port on the application server. If an Ethernet port connects to another storage device, the IP address of the Ethernet port must be in the same network segment as that of the peer Ethernet port on the other storage device. If available IP addresses become insufficient for a network segment for which you want to add an IP address, manually add routes.
  • After Ethernet ports are bonded, their properties cannot be modified.


  1. Log in to DeviceManager.
  2. Choose System.
  3. Click the controller enclosure where the Ethernet port resides.
  4. Click to switch to the rear view.
  5. Click the Ethernet port whose information you want to modify.

    The Ethernet Port dialog box is displayed.

  6. Modify the Ethernet port.

    1. Click Modify.

      You can also click Properties to modify the parameters of the Ethernet port.

    2. In the Work Mode drop-down list, select a work mode of the Ethernet port.
      • This parameter may be invalid for some interface modules.
      • The forward error correction (FEC) technology is used. With this technology, a sender sends data with a certain redundancy error correction code, and a receiver performs error detection on the received data according to the redundancy error correction code. If an error is detected, the receiver can correct the error.
      • The working mode varies according to the port type. The value can be Self-adaptive, RSFEC, NOFEC, or BASEFEC.
      • When the working mode is set to Self-adaptive, it can automatically match the FEC mode of the peer network device (such as a NIC or switch). In this case, if the peer network device also has the self-adaptive capability enabled, the link negotiation time may be prolonged.
      • When the working mode is set to RSFEC, NOFEC, or BASEFEC, ensure that it matches the FEC mode of the peer network device. Before setting the working mode, you are advised to confirm it by referring to the product documentation of the peer network device.
    3. In the IPv4 address or IPv6 address text box, enter an IP address for the Ethernet port.
    4. In the Subnet Mask or Prefix text box, enter the subnet mask or prefix of the Ethernet port.
    5. In the MAC Address text box, enter the MAC address of the Ethernet port.

      Some device models do not support modifying MAC address. The actual GUIs prevail.

    6. In MTU (Byte), type a maximum transfer unit (MTU) for the packets transmitted between the Ethernet port and the application server.

  7. Confirm the Ethernet port modification.

    1. Click Apply.

      The security alert dialog box is displayed.

    2. Confirm the information in the dialog box and select I have read and understand the consequences associated with performing this operation.
    3. Click OK.

      The Success dialog box is displayed, indicating that the operation succeeded.

    4. Click OK.

Updated: 2020-01-17

Document ID: EDOC1000181506

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