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CLI-based Configuration Guide - Interface Management

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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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).
Configuring APN Profiles (Dual SIM Cards and a Single APN)

Configuring APN Profiles (Dual SIM Cards and a Single APN)

Context

An access point name (APN) identifies an external PDN network (for example, the Internet or IMS network) that users want to access.

You can create an APN profile to configure an APN. In the scenario where dual SIM cards and a single APN are available, you can create two APN profiles, bind one to the master SIM card and the other to the backup SIM card, and bind the two APN profiles to the same LTE cellular interface. The two SIM cards connect to different LTE networks. If dial-up fails because the account balance of the master SIM card is insufficient, the master SIM card is faulty, the LTE link signal quality is poor, or the connected LTE network is faulty, traffic is automatically switched to the backup SIM card, ensuring uninterrupted enterprise services.

NOTE:

The master and backup SIM cards cannot simultaneously work. Upon a SIM card switchover, traffic is interrupted for a short period.

Procedure

  1. Creating an APN profile
    1. Run system-view

      The system view is displayed.

    2. Run apn profile profile-name

      An APN profile is created and the APN profile view is displayed.

      By default, no APN profile is created.

    3. Run apn apn-name

      The APN is configured.

      By default, no APN is configured in the APN profile.

      NOTE:
      • APNs are provided by the carrier.
      • Generally, China Mobile provides the APN CMNET, China Telecom provides the APN CTLTE, and China Unicom provides the APN 3GNET.
      • After an APN is configured, it is permanently recorded in an LTE data card. If the APN changes, reconfigure it.

    4. Run sim-id sim-id

      The SIM card ID is set to specify the master or backup SIM card to which the APN profile is bound.

      The default ID of a SIM card is 1.

      sim-id can be 1 or 2.
      • The value 1 indicates that the APN profile is bound to the master SIM card.
      • The value 2 indicates that the APN profile is bound to the backup SIM card.
      NOTE:

      For the 1LTE-Lt interface card, only SIM cards supporting CDMA services can be identified after the CDMA2000 network connection mode is configured using the mode cdma { 1xrtt-only | evdo-only | hybrid } or mode lte { 1xrtt-only | evdo-only | hybrid } command.

    5. (Optional) Run user name username password { cipher | simple } password [ authentication-mode { auto | pap | chap } ]

      The user name, password, and authentication mode for accessing the external PDN network are configured.

      By default, the user name, password, and authentication mode for accessing an external PDN network are not configured.

      Contact the carrier when configuring the user name, password, and authentication mode.

      NOTE:
      • Select a proper authentication mode based on the carrier network. PAP authentication provides lower security. When you specify auto or pap to enable the device to use PAP authentication, the password is transmitted in plain text on the network. This brings potential security risks.

      • When you specify simple, the password is saved in plain text in the configuration, which brings potential security risks. You are advised to specify cipher to save the password in the cipher text.

    6. Run quit

      Return to the system view.

    NOTE:

    After the APN profile to be bound to the master SIM card is created, you need to repeat Creating an APN profile to create an APN profile to be bound to the backup SIM card.

  2. Binding the APN profiles to the LTE cellular interface
    1. Run interface cellular interface-number

      The LTE cellular interface view is displayed.

    2. Run apn-profile profile-name priority priority track nqa { admin-name test-name }&<1-2>

      The APN profiles are bound to the LTE cellular interfaces.

      By default, no APN profile is bound to the LTE cellular interface.

      For the parameter priority, a larger value indicates a higher priority. When dual SIC cards are available, you are advised to set the priority of the APN profile bound to the master SIM card to higher than that of the APN profile bound to the backup SIM card.

      NOTE:

      After an APN profile is bound to the master SIM card, you need to repeat this step to bind another APN profile to the backup SIM card.

    3. Run sim switch rssi-threshold rssi-threshold

      The SIM cards are configured with automatic switchover based on the RSSI threshold.

      By default, an LTE cellular interface does not switch between SIM cards based on the RSSI threshold.

    4. (Optional) Run sim switch-back enable [ timer time ]

      Traffic is automatically switched from the backup SIM card back to the master SIM card.

      By default, traffic on the backup SIM card is not automatically switched back to the master SIM card.

Follow-up Procedure

When automatic SIM card switchover is not configured or the switchover condition is not met, you can run the sim switch to sim-id command in the LTE cellular interface view to manually switch between SIM cards.

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Updated: 2019-03-06

Document ID: EDOC1100069331

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