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Configuration Guide - Security

S1720, S2700, S5700, and S6720 V200R011C10

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, URPF, keychain, MPAC, separating the management plane from the service plane, security risks, PKI.
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How Can ARP Miss Logs and Alarms Be Disabled?

How Can ARP Miss Logs and Alarms Be Disabled?

If you do not need ARP Miss logs after eliminating network security risks according to How Can I Handle an ARP Learning Failure Caused by ARP Miss Messages?, run the info-center source SECE channel 4 log state off command to disable the device from sending log information.

If you do not need ARP Miss alarms after eliminating network security risks according to How Can I Handle an ARP Learning Failure Caused by ARP Miss Messages?, you can disable the alarms.
  • ARP Miss alarms based on source IP addresses

    • Run the arp-miss speed-limit source-ip [ ip-address ] maximum 0 command in the system view to disable ARP Miss message rate limiting based on source IP addresses.

      • If ip-address is not specified, ARP Miss message rate limiting is disabled for all source IP addresses. If a large number of ARP Miss messages are generated for a certain source IP address, CPU usage may be excessively high.
      • If ip-address is specified, ARP Miss message rate limiting is disabled for this source IP address. If a large number of ARP Miss messages are generated for the source IP address, CPU usage may be excessively high.
    • Run the info-center source SECE channel 4 log state off command in the system view to disable the device from sending SECE alarm information.

  • Global ARP Miss alarms, ARP Miss alarms in a VLAN or on an interface

    • Run the undo arp-miss anti-attack rate-limit alarm enable command globally, in a VLAN, or on an interface to disable the alarm function for the ARP Miss messages discarded when the rate of ARP Miss messages exceeds the upper limit.

      After the alarm function is disabled, the device will not report an alarm when the number of discarded ARP Miss messages exceeds the alarm threshold.

    • Run the info-center source SECE channel 4 log state off command in the system view to disable the device from sending SECE alarm information.

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Updated: 2019-03-28

Document ID: EDOC1000178177

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