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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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Default Settings for Local Attack Defense

Default Settings for Local Attack Defense

Table 6-2 and Table 6-3 list the default settings for local attack defense. The default settings can be modified as required.

Table 6-2 Default settings for CPU attack defense
Parameter Default Setting
CPU attack defense policy CPU attack defense policy named devicename-default
Blacklist None
CAR value By default, the device limits the rates of packets based on the default rate limits in the devicename-default policy. To check the CAR value, run the display cpu-defend configuration command.
Limiting the number of packets sent to the CPU A maximum of 5120 packets can be sent to the CPU of the device per second. .
Table 6-3 Default settings for attack source tracing
Parameter Default Setting
Attack defense policy Attack defense policy named devicename-default
Automatic attack source tracing Disabled
Threshold for attack source tracing 128 pps
Packet sampling ratio for attack source tracing 8
Attack source tracing mode Attack source tracing based on source MAC addresses and source IP addresses
Types of traced packets

ARP, DHCP, DHCPv6, ICMP, ICMPv6, MLD, ND, IGMP, and TTL-expired packets

Whitelist None
Alarm function for attack source tracing Disabled
Alarm threshold for attack source tracing 128 pps
Punish function for attack source tracing Disabled
Updated: 2019-04-20

Document ID: EDOC1100074765

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