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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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(Optional) Configuring the Direction of Traffic Controlled by the Device

(Optional) Configuring the Direction of Traffic Controlled by the Device

Context

By default, the access authentication device discards all the traffic sent from the users who fail the 802.1x authentication or MAC address authentication. However, these users can still receive broadcast packets sent from the successfully authenticated users in the same VLAN. You can configure the bidirectional traffic control function to disable the users who fail the authentication from receiving broadcast packets.

NOTE:
  • This function applies only to 802.1x authentication and MAC address authentication.

  • This function takes effect only when an access switch functions as the authentication device and an interface of the switch is connected to only one IP phone or PC.

  • This function does not take effect when users have pre-connection entries or authentication event entries. You are advised to run the undo authentication pre-authen-access enable command disable the function of keeping users who fail to be authenticated and do not have any network access rights in the pre-connection state, and do not run the authentication event command to configure the device to assign network access rights to users in each phase before authentication succeeds.

  • If users go online on the same interface in the same VLAN, bidirectional traffic control does not take effect on this interface.

  • Layer 3 interfaces do not support bidirectional traffic control.

  • You are advised to run the stp edged-port enable command to configure the interface on which the function is applied as an edge port. The interface can be added to a maximum of four VLANs.

  • The SVF and policy association scenarios do not support this function.

  • WLAN scenarios do not support this function.

  • When this function is configured, the recommended STP mode is VBST. If the STP mode is changed after users go online, traffic will be interrupted for a short time. If the STP mode is set to MSTP or STP, run the instance command to map VLANs to different spanning tree instances (MSTIs).
  • A user VLAN cannot be specified as an RRPP or ERPS control VLAN.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run authentication-profile name authentication-profile-name

    The authentication profile view is displayed.

  3. Run authentication control-direction { all | inbound }

    The direction of traffic controlled by the device is configured.

    By default, the device only controls the upstream traffic.

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Updated: 2019-10-21

Document ID: EDOC1000178117

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