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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.
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Configuring Basic Functions of DHCP Snooping

Configuring Basic Functions of DHCP Snooping

DHCP snooping allows DHCP clients to obtain IP addresses from authorized DHCP servers, and records mappings between IP addresses and MAC addresses of DHCP clients to a binding table.

Pre-configuration Tasks

Before configuring DHCP snooping, configure the DHCP function. (For the DHCP configuration, see DHCP Configuration in the Huawei AR Series V200R010 Configuration Guide - IP Service.)

The procedures in Enabling DHCP Snooping and Configuring an Interface as a Trusted Interface also apply to DHCPv6 snooping.

Configuration Procedure

Configure basic functions of DHCP snooping on a Layer 2 access device or the first DHCP relay agent from the device.

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Updated: 2019-08-07

Document ID: EDOC1100034077

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