Specifications
addressthatwasassignedbyPMISwitch.ClicktheReloadbuttontorefreshthe
listing.
DHCPRelayAgent
YoucanselecttoEnableorDisableDHCPrelay
agentfunction,andthenselectthe
modificationtypeofoption82field.
Relaypolicydrop:Dropstheoption82field
anddonotaddanyoption82field.
Relaypolicykeep:Keepstheoriginaloption82
fieldandforwardstoserver.
Relaypolicyreplace:Replacestheexisting
option82fieldandaddsnewoption82field.
(Thisisthedefaultsetting)
HelperAddress:thereare4fieldsfortheDHCPserver’sIPaddress.Youcanfilll
thefieldwithpreferedIPaddressofDHCPServer,andthenclick“Apply”to
activatetheDHCPrelayagentfunction.AlltheDHCPpacketsfromclientwillbe
modifiedbythepolicyandforwardedtoDHCPserverthroughthegatewayport.
4.2.6 BackupandRestore
WithBackupcommand,youcansavecurrentconfigurationfilesavedinthe
switch’sflashtoadminPCorTFTPserver.ThiswillallowyoutogotoRestore
commandlatertorestoretheconfigurationfilebacktotheswitch.Beforeyou
restoretheconfigurationfile,youmustplacethebackupconfigurationfileinthe
PCorTFTPserver.Theswitchwillthendownloadthisfilebacktotheflash.
Thereare2modesforuserstobackup/restoretheconfigurationfile,LocalFile
modeandTFTPServermode.
LocalFilemode:Inthismode,theswitchactsasthefileserver.Userscanbrowse
thetargetfolderandthentypethefilenametobackuptheconfiguration.Users
canalsobrowsethetargetfolderandselectexistedconfigurationfiletorestore
theconfigurationbacktotheswitch.ThismodeisonlyprovidedbyWebUIwhile
CLIisnotsupported.
41