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Configuration Guide - Security

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Security, including ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, Port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, separating the management plane from the service plane, security risks.
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(Optional) Configuring the Guest VLAN on an Interface

(Optional) Configuring the Guest VLAN on an Interface

Prerequisites

A VLAN to be configured as a guest VLAN has been created using the VLAN command.

Context

On an 802.1x authentication network, add specified network resources to a VLAN and configure the VLAN as a guest VLAN. After the configuration is complete, users who fail to be authenticated can also access the resources in the guest VLAN. For example, these users can upgrade the virus library or download clients.

This command can be configured in the system view or interface view. In the system view, the command can be configured on one or more interfaces; in the interface view, the command can only be configured on a specified interface.

NOTE:

CE5880EI, CE6880EI, CE6870EI and CE6875EI do not support this function.

Procedure

  • In the system view,

    1. Run system-view

      The system view is displayed.

    2. Run authentication guest-vlan vlan-id interface interface-type { interface-number1 [ to interface-number2 ] } &<1-10>

      The guest VLAN is configured on an interface.

      By default, no guest VLAN is configured on an interface.

    3. Run commit

      The configuration is committed.

  • In the interface view,

    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. Run authentication guest-vlan vlan-id

      The guest VLAN is configured on an interface.

      By default, no guest VLAN is configured on an interface.

    4. Run commit

      The configuration is committed.

    NOTE:
    • Before creating a guest VLAN, create a VLAN ID.
    • When deleting a VLAN, delete the guest VLAN with the same VLAN ID.
    • A super VLAN cannot be configured as a guest VLAN, and a guest-VLAN cannot be configured as a super VLAN.
    • On an interface, the VLAN ID of a guest VLAN conflicts with the VLAN ID of port default vlan, port trunk allow-pass vlan, port hybrid tagged vlan, or port hybrid untagged vlan.
    • A guest VLAN supports only untagged packets.

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Updated: 2019-04-20

Document ID: EDOC1100074765

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