Switch User Manual

Setting Auto-Negotiation and Advertised Ability
7-16 Port Configuration
Setting Auto-Negotiation and Advertised Ability
Purpose
Toreview,disableorenableauto‐negotiation,andtoconfigureportadvertisementforspeedand
duplex.
Duringauto‐negotiation,theport“tells”thedeviceattheotherendofthesegmentwhatits
capabilitiesandmodeofoperationare.Ifauto‐negotiationisdisabled,theportrevertstothe
valuesspecified
bydefaultspeed,defaultduplex,andtheportflowcontrolcommands.
Innormaloperation,withallcapabilitiesenabled,advertisedabilityenablesaportto“advertise”
thatithastheabilitytooperateinanymode.Theusermaychoosetoconfigureaportsothatonly
aportionofitscapabilities
areadvertisedandtheothersaredisabled.
Commands
show port negotiation
Usethiscommandtodisplaythestatusofauto‐negotiationforoneormoreports.
Syntax
show port negotiation [port-string]
Parameters
Defaults
Ifport‐stringisnotspecified,auto‐negotiationstatusforallportswillbedisplayed.
Note: Advertised ability can be activated only on ports that have auto-negotiation enabled.
For information about... Refer to page...
show port negotiation 7-16
set port negotiation 7-17
show port advertise 7-17
set port advertise 7-18
clear port advertise 7-19
show port mdix 7-20
set port mdix 7-20
port‐string (Optional)Displaysauto‐negotiationstatusforspecificport(s).Fora
detaileddescriptionofpossibleport‐stringvalues,referto“ PortString
SyntaxUsedintheCLI”onpage7‐1.