Enterasys Enterasys SecureStack B2 B2G124-24 Especificações descarregar pdf (Página 581)

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set maclock firstarrival

SecureStack B2 Configuration Guide 19-57

Parameters

Defaults

None.

Mode

Switchcommand,read‐write.

Example

ThisexampleshowshowtoresetthenumberofallowablestaticMACsonfe.2.3:

B2(rw)->clear maclock static fe.2.3

set maclock firstarrival

UsethiscommandtorestrictMAClockingonaporttoamaximumnumberofendstation 

addressesfirstconnectedtothatport.

Syntax

set maclock firstarrival port-string value

Parameters

Defaults

None.

Mode

Switchcommand,read‐write.

Usage

Themaclockfirstarrivalcountresetswhenthelinkgoesdown.Thisfeatureisbeneficialifyou

haveroamingusers—thefirstarrivalcountwillbereseteverytimeausermovestoanotherport,

butwillstillprotectagainstconnectingmultipledevicesonasingleportandwillprotectagainst

MAC

addressspoofing.

port‐string SpecifiestheportonwhichtoresetnumberofstaticMACaddresses

allowed.Foradetaileddescriptionofpossibleport‐stringvalues,referto

“PortStringSyntaxUsedintheCLI”onpage 7‐2.

port‐string SpecifiestheportonwhichtolimitMAClocking.Foradetailed

descriptionofpossibleport‐stringvalues,referto“PortStringSyntaxUsed

intheCLI”onpage 7‐2.

value SpecifiesthenumberoffirstarrivalendstationMACaddressestobe

allowedconnectionstotheport.Valid

valuesare0to600.

Note: Setting a port’s first arrival limit to 0 does not deny the first MAC address learned on the port

from passing traffic.

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