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Configuration Guide - Security

S7700 and S9700 V200R011C10

This document describes the configurations of Security, including ACL, reflective ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, URPF, keychain, 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 enabled.

  4. Run auto-defend protocol { all | { 8021x | arp | dhcp | dhcpv6 | icmp | icmpv6 | igmp | mld | nd | tcp | telnet | ttl-expired | udp }* }

    The type of traced packets is specified.

    By default, the device traces sources of 8021X, ARP, DHCP, DHCPv6, ICMP, ICMPv6, MLD, ND, IGMP, TCP, Telnet.

    NOTE:
    When attack source tracing is applied to ICMPv6 packets, the function takes effect on only the ICMPv6 packets of which the destination IPv6 addresses are local interface addresses.

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Updated: 2019-04-01

Document ID: EDOC1000178319

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