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Chapter4ServiceConguration

CommandMode

Globalcongurationmode

Syntax

setdhcpip-source-guard{{add|delete}port<portlist>|quota<0-400>}

Parameters

ParameterDescription

addEnablestheip-source-guardfunction.

deleteDisablestheip-source-guardfunction.

<portlist>Portlist.

quotaQuotaofsourceaddresses.

<0-400>

Thevalue0meansnolimit.ThesourceIPaddressesinclude

IPv4addressesandIPv6addresses.

Guidelines

Aftertheip-source-guardfunctionisenabled,bylisteningtheinteractionsbetweenthe

clientandserver,theIPaddressesallocatedbytheservertotheclientarerecordedand

themessageswithothersourceIPaddressesarelteredtopreventspoong.

Beforeenablingtheip-source-guardfunction,youmustenabletheDHCPsnooping

function.

Example

Thefollowingexampleenablestheip-source-guardfunctionforports9and10:

zte(cfg)#setdhcpip-source-guardaddport9-10

Failtoenableipsourceguardonport9.

%DHCPsnoopingisdisabledonthisport(0x40000cea)

zte(cfg)#setdhcpsnoopingaddport9

zte(cfg)#setdhcpip-source-guardaddport9-10

4.25.6setdhcpsnoopingbind-entrymacipvlanport

Purpose

Thiscommandaddsthestaticuserinformationbindingentry.

CommandMode

Globalcongurationmode

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SJ-20130731155059-003|2013-11-27(R1.0)ZTEProprietaryandCondential

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