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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 an Isolated Interface

(Optional) Configuring an Isolated Interface


In data center server virtualization scenarios, multiple virtual machines (VMs) in a physical server may belong to the same VLAN and require Layer 2 isolation. The VMs connect to the same user interface on the MFF-enabled device. Services on the VMs are often isolated, so the MFF-enabled device must respond to ARP request packets. If the MFF-enabled device does not respond to ARP request packets, VMs cannot communicate at Layer 3.

MFF provides the isolated interface to address this issue. After an isolated interface is configured, the MFF-enabled device does not check interface consistency in ARP request packets sent by users. Instead, the MFF-enabled device directly responds to the ARP request packets.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run mac-forced-forwarding user-isolate-port

    The interface is configured as an isolated interface.

  4. Run commit

    The configuration is committed.

Updated: 2019-04-20

Document ID: EDOC1100074765

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