Chapter 19 Port Security
GS2210 Series User’s Guide
167
Act ive
Select t his check box t o enable t he por t secur it y feat ur e on t his por t . The Sw it ch for war ds
packet s w hose MAC address( es) is in t he MAC addr ess t able on t his por t . Packet s w it h no
m at ching MAC addr ess( es) ar e dr opped.
Clear t his check box t o disable t he por t secur it y feat ur e. The Sw it ch forwar ds all packet s on
t his por t .
Addr ess
Lear ning
MAC addr ess lear ning r educes out going br oadcast t raffic. For MAC address learning t o occur
on a por t , t he por t it self m ust be act ive w it h addr ess learning enabled.
Lim it ed Num ber
of Lear ned MAC
Addr ess
Use t his field t o lim it t he num ber of ( dy nam ic) MAC addr esses t hat m ay be lear ned on a
port . For ex am ple, if you set t his field t o " 5" on port 2, t hen only t he dev ices w it h t hese five
lear ned MAC addr esses m ay access por t 2 at any one t im e. A six t h dev ice w ould have t o
wait unt il one of t he five lear ned MAC addr esses aged out . MAC addr ess aging out t im e can
be set in t he Sw it ch Se t u p scr een. The valid range is fr om “ 0” t o “ 16384”. “ 0” m eans t his
feat ur e is disabled.
Apply
Click Apply t o save your changes t o t he Sw it ch’s run- t im e m em ory. The Sw it ch loses t hese
changes if it is t ur ned off or loses pow er, so use t he Sa ve link on t he t op nav igat ion panel t o
save your changes t o t he non- volat ile m em ory w hen you ar e done configur ing.
Cancel
Click Ca n ce l t o begin configur ing t his scr een afr esh.
Table 67
Advanced Applicat ion > Por t Secur it y ( cont inued)
LABEL
DESCRIPTION