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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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Configuring the Types of Traced Packets

Configuring the Types of Traced Packets

Context

When an attack occurs, the device traces packets of all types, and the administrator cannot identify the type of attack packets. You can specify the types of packets that the device traces.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run cpu-defend policy policy-name

    The attack defense policy view is displayed.

  3. Run auto-defend enable

    Attack source tracing is enabled.

    By default, attack source tracing is disabled.

  4. Run auto-defend protocol { all | { arp | dhcp | dhcpv6 | icmp | icmpv6 | igmp | mld | nd | ttl-expired } * }

    The type of traced packets is specified.

    By default, the device traces sources of Address Resolution Protocol (ARP), Dynamic Host Configuration Protocol (DHCP), DHCPv6, Internet Control Message Protocol (ICMP), ICMPv6, Multicast Listener Discovery Protocol (MLD), Neighbor Discovery Protocol (ND), Internet Group Management Protocol (IGMP), and Time To Live-expired (TTL-expired) packets in attack source tracing.

    NOTE:

    CE5880EI and CE6880EI do not support mld packet.

    The attack source tracing function takes effect only on the packets configured using this command.

  5. Run commit

    The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100074765

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