Specifications
set maclock firstarrival
SecureStack C3 Configuration Guide 21-53
Example
ThisexampleshowshowtoresetthenumberofallowablestaticMACsonfe.2.3:
C3(rw)->clear maclock static fe.2.3
set maclock firstarrival
UsethiscommandtorestrictMAClockingonaporttoamaximumnumberofendstation
addressesfirstconnectedtothatport.
Syntax
set maclock firstarrival port-string value
Parameters
Defaults
None.
Mode
Switchcommand,read‐write.
Usage
Themaclockfirstarrivalcountresetswhenthelinkgoesdown.Thisfeatureisbeneficialifyou
haveroamingusers—thefirstarrivalcountwillbereseteverytimeausermovestoanotherport,
butwillstillprotectagainstconnectingmultipledevicesonasingleportandwillprotectagainst
MAC
addressspoofing.
Ifyouwishtohaveonlystatically setMACs,setaport’sfirstarrivallimitto0.
Example
ThisexampleshowshowtorestrictMAClockingto6MACaddressesonfe.2.3:
C3(su)->set maclock firstarrival fe.2.3 6
port‐string SpecifiestheportonwhichtolimitMAClocking.Foradetailed
descriptionofpossibleport‐stringvalues,referto“PortStringSyntaxUsed
intheCLI”onpage 4‐1.
value SpecifiesthenumberoffirstarrivalendstationMACaddressestobe
allowedconnectionstotheport.Valid
valuesare0to600.