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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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Configuring DHCP Snooping Attack Mitigation

Configuring DHCP Snooping Attack Mitigation

After basic DHCP snooping functions are configured, DHCP clients can obtain IP addresses from the authorized DHCP server, preventing attacks on the network from bogus DHCP servers. However, many other DHCP attacks exist on the network. To mitigate these attacks, configure DHCP snooping attack mitigation functions on the device as required.

In this chapter, the function in Configuring Defense Against Bogus DHCP Message Attacks and the function in step 2 of Configuring Defense Against DHCP Server DoS Attacks are also applicable to DHCPv6 snooping.

Prerequisites

Basic DHCP snooping functions have been configured.

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Updated: 2019-09-23

Document ID: EDOC1000178177

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