No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


CLI-based Configuration Guide - Security

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Default Settings for Local Attack Defense

Default Settings for Local Attack Defense

Table 8-1 and Table 8-2 list the default settings for local attack defense. The default settings can be modified as required.

Table 8-1  Default settings for CPU attack defense
Parameter Default Setting
CPU attack defense policy CPU attack defense policy named default
Blacklist None
Rate limiting and protocol priority The CPU attack defense policy limits the rates of different types of packets sent to the CPU, and the default rate and priority are the same as those in the default policy. To view the default rate and priority settings, run the display cpu-defend configuration command.
Rate limiting
  • AR100&AR120&AR150&AR160&AR200 series: 1000pps
  • AR1200 series, AR2201-48FE, AR2202-48FE, AR2204-27GE, AR2204-27GE-P, AR2204-51GE-P, AR2204-51GE-R, AR2204E, AR2204E-D, and AR2204: 1000pps
  • AR2220, AR2220E: 1500pps
  • AR2204XE, and AR2204XE-DC: 2000pps
  • For the AR2240 and AR3260, the rate limit for all packets sent to the CPU depending on different SRUs.
    • SRU40 and SRU60: 1500pps
    • SRU80 and SRU100E: 2000pps
    • SRU200, SRU200E, and SRU400: 2500pps
  • AR2240C: 1500pps
  • For the AR3600: 2500pps
Rate limits used after ALP is enabled

The default rate limit of SSH, Telnet, SSHv6, Telnetv6, HTTP, FTP or BGP packets.

  • SSH: 512 pps
  • Telnet: 512 pps
  • SSHv6: 512 pps
  • Telnetv6: 512 pps
  • HTTP: 512pps
  • FTP: 1024pps
  • BGP: 512pps

Modified the default rate limit used the application-apperceive command.

Table 8-2  Default configuration for attack source tracing
Parameter Default Setting
Attack defense policy Attack defense policy named default
Automatic attack source tracing Disabled
Threshold for attack source tracing 128 pps
Attack source tracing mode Attack source tracing based on source MAC addresses, source IP addresses, or a combination of source ports and VLANs
Types of traced packets

ARP, DHCP, ICMP, IGMP, Telnet, TCP, and TTL-expired packets

Alarm function for attack source tracing Disabled
Alarm threshold for attack source tracing 128 pps
Punish function for attack source tracing Disabled
Updated: 2019-11-21

Document ID: EDOC1100034077

Views: 154619

Downloads: 270

Average rating:
This Document Applies to these Products
Related Version
Related Documents
Previous Next