User guide

Appendix F: Troubleshooting
301
Port Access
Problem Solution
PortAccessRefresh TheunitdoesnotautomaticallyrefreshthePortAccesslist.Itis
refreshedonlywhentheuserclicksPortAccess.Therefore,itis
possiblethatauserwillhavepermissionsrevokedandthese
changeswillnotbevisibleontheportaccessscreenuntilthePort
Accessbuttonisa
ctivated.
Youmustlo
goutandloginagainforthenewrestrictiontobe
applied.Thentherestrictedportsareinvisible.
Wheneverpossible,itisrecommendedthatAdministratorsnot
changeportaccessrightstoauserwhoisalreadyloggedintothe
unit.
Upgrade
Problem Solution
FTP‐ServerUnreachable IfFTPserverspecifiedintheupgradepanelisunreachableor
incorrect,theupgradeprocesshaltsuntilaresponseisreceived
fromtheFTPserveroruntilatimeoutoccurs.
WaitandallowtheFTPServerUnreachablemessagetoappear.
FTP‐FileNotFound Theunitrequiresapackageofupgradefilestobeinthedirectory
specifiedbytheupgradepath.Thispackagemusthaveallincluded
filesandanupgrade.cnffile.Shouldthisfilenotexist,orifthe
contentsofthefilearenotintheindicatedplaces,theFileNot
Foundmessagewilla
ppear.
Ver
ifythattheupgradepackageisinthecorrectdirectoryand
confirmtheupgradepathandIPaddressoftheFTPserver.
Iftheupgradestillfails,reinstalltheupgradepackageandbegin
again.