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Enterasys Networks XSR CLI Router User Manual

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Other IP Commands

5-154 Configuring the Internet Protocol

Mode

Interfaceconfiguration: XSR(config-if<xx>)#

Default

Enabled

Example

ThefollowingexampledeniesICMPbroadcastsonportFastEthernet1:

XSR(config)#access-list 100 deny ICMP any any

XSR(config)#interface fastethernet 1

XSR(config-if<F1>)#ip directed-broadcast 100

ThefollowingexampleremovesthepreviousrestrictiononinterfaceFastEthernet1(broadcast

willbeperformedforallprotocols):

XSR(config)#interface fastethernet 1

XSR(config-if<F1>)#no ip directed-broadcast

ip dhcp relay-source gateway

ThiscommandallowsuserstoselectthesourceaddresstousewhenrelayingpacketstotheDHCP

servers.TheDHCPserversareconfiguredusingiphelper‐addresscommand.

Syntax

ip dhcp relay-source gateway

Syntax of the “no” Form

Thenoformnegatesthecommandsothattheoutgoinginterfaceaddresswillbeusedasthe

sourceaddress:

no ip dhcp relay-source gateway

Mode

Interfaceconfiguration:XSR(config-if<xx>)#

Default

Theoutgoinginterfaceaddresswillbeusedasthesourceaddress.

Example

Inthefollowingexample,thesou rceaddressissetforinterfacefastethernet1:

XSR(config)#interface fastethernet 1

XSR(config-if<F1>)#ip dhcp relay-source gateway

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