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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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Verifying the DHCP Snooping Attack Defense Configuration

Verifying the DHCP Snooping Attack Defense Configuration


After DHCP snooping attack defense is completely configured, check the configured parameters.


  • Run the display dhcp snooping [ interface interface-type interface-number | vlan vlan-id ] command to view DHCP snooping running information.
  • Run the display dhcp snooping configuration [ vlan vlan-id | interface interface-type interface-number ] command to view the DHCP snooping configuration.
  • Run the display mac-address snooping [ interface-type interface-number | vlan vlan-id ] * [ verbose ] command to view static MAC address entries generated from the DHCP snooping binding table.
  • Run the display dhcp snooping statistics command to check statistics on the received DHCP messages.
Updated: 2019-04-01

Document ID: EDOC1000178319

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