Configuring Protected Ports
D-Series CLI Reference 4-47
Configuring Protected Ports
TheProtectedPortfeatureisusedtopreventportsfromforwardingtraffictoeachother,even
whentheyareonthesameVLAN.Portsmay bedesignatedaseitherprotectedorunprotected.
Portsareunprotectedbydefault.Multiplegroupsofprotectedportsaresupported.
Protected Port Operation
Portsthatareconfiguredtobeprotectedcannotforwardtraffictootherprotectedportsinthe
samegroup,regardlessofhavingthesameVLANmembership.However,protectedportscan
forwardtraffictoportswhichareunprotected(notlistedinanygroup).Protectedportscanalso
forwardtraffictoprotectedportsin
adifferentgroup,iftheyareinthesameVLAN.Unprotected
portscanforwardtraffictobothprotectedandunprotectedports.Aportmaybelongtoonlyone
groupofprotectedports.
Thisfeatureonlyappliestoportswithinaswitch.Itdoesnotapplyacrossmultipleswitchesina
network.
Commands
set port protected
Usethiscommandtospecifyaporttobeprotectedandassigntheporttoagroupofprotected
ports.Aportcanbeassignedtoonlyonegroup.
Syntax
set port protected port-string group-id
Parameters
Defaults
None.
Mode
Switchcommand,read‐write.
For information about... Refer to page...
set port protected 4-47
show port protected 4-48
clear port protected 4-48
set port protected name 4-49
show port protected name 4-49
clear port protected name 4-50
port‐string Specifiestheportorportstobeprotected.
group‐id Specifiestheidofthegrouptowhichtheportsshouldbeassigned.Idcan
rangefrom0to2.