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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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Configuring an APN Profile (A Single SIM Card and Dual APNs)

Configuring an APN Profile (A Single SIM Card and Dual APNs)

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 APN. In the scenario where a single SIM card and dual APNs are available, create two APN profiles and bind the APN profiles respectively to the two LTE channel interfaces configured for an LTE cellular interface. One APN connects to the Internet for data communication, and the other connects to the IMS network for VoIP communication.

Procedure

  1. Create 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

      An APN profile 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. (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.

    5. Run quit

      Return to the system view.

    NOTE:

    You need to repeat this step to create multiple APN profiles for accessing different external PDN networks.

  2. Enable the multi-APN function.
    1. Run interface cellular interface-number

      The LTE cellular interface view is displayed.

    2. Run multi-apn enable

      The multi-APN function is enabled on the LTE cellular interface.

      By default, the multi-APN function is disabled on an LTE cellular interface.

    3. Run quit

      Return to the system view.

  3. Bind the APN profiles to the LTE channel interface.
    1. Run interface cellular interface-number

      The LTE channel interface view is displayed.

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

      The APN profiles are bound to the LTE channel interfaces.

      By default, no APN profile is bound to an LTE channel interface.

      If track nqa is specified, the device performs an NQA probe on the LTE network when the dial-up initiated through an LTE channel interface succeeds. The device terminates the LTE link after three consecutive NQA probe failures. Additionally, you can run the dialer timer probe-interval command to set the NQA probe interval.

    NOTE:

    You need to repeat this step to bind APN profiles to another 3G channel interface.

Follow-up Procedure

The two APNs share uplink bandwidth on the LTE cellular interface. QoS is required to schedule services based on APNs. For example, if one APN is used to transmit voice services and the other APN is used to transmit data services, voice services must be transmitted with a higher priority. You must configure QoS on the LTE cellular interface to ensure that voice services are preferentially scheduled .For details on how to configure QoS, See Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide - QoS

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Updated: 2019-03-06

Document ID: EDOC1100069331

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