User manual

16‐PortGigabitEthernetPoE+Web‐ManagedSwitchwith2SFPPorts
34
WhenDHCPsnoopingisenabled,DHCPmessagesenteringanuntrustedinterfacearefilteredbasedupondynamic
entrieslearnedviaDHCPsnooping.
Item Description
NativeProtectionStatus Closed:AllDHCPrelatedtrafficwillpassthroughtheIntellinetswitch
withoutanyinterference.
Open:ActivatesDHCPsnooping.DHCPtrafficisnowsubjecttocertain
rules.
DHCPTrustedPort Thesearetrustedportsonyournetwork,whichareunderyourdirect
administratorcontrol.Connectedtotheseportsaretypicallyswitches,
routers,andserversinthenetwork.DHCPtrafficfromtrustedportsis
consideredsafe.
ProhibitDHCPForAddress Anyportbeyondthefirewalloroutsidethenetworkisuntrusted.DHCP
trafficfromtrustedportsisconsideredunsafe.DHCPresponsepacketson
theseportswillbedropped,thuspreventingapossibleman‐in‐the‐middle
attack.
Item Description
SourceMACVerify DHCPsnoopingMACaddressVerifyensuresthattheIntellinetswitch
verifiesthatthesourceMACaddressandtheclienthardwareaddress
matchinDHCPpacketsthatarereceivedonuntrustedports.