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S12700 V200R011C10 Configuration Guide - User Access and Authentication

This document describes the working mechanisms, configuration procedures, and configuration examples of User Access and Authentication features, such as AAA, DAA, NAC, PPPoE, Policy Association, and IP session.
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Enabling the IP Session Function

Enabling the IP Session Function


The device can terminate DHCP packets on sub-interfaces. You can configure a remote or local DHCP server to allocate IP addresses. After the IP session function is enabled on a sub-interface, you can configure related parameters and functions on the sub-interface to effectively manage DHCP users.


  1. Run system-view

    The system view is displayed.

  2. Run dhcp enable

    DHCP is enabled globally.

  3. Run interface interface-type interface-number

    The interface view is displayed.

  4. Run port link-type { hybrid | trunk }

    The link type of the interface is configured.

    By default, the link type of an interface is negotiation-desirable.

  5. Run quit

    Return to the system view.

  6. Run interface interface-type interface-number.subnumber

    The sub-interface view is displayed.

  7. Run ip-session enable

    The IP session function is enabled.

    By default, the IP session function is disabled.

Updated: 2019-10-21

Document ID: EDOC1000178117

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