Ethernet Switch Owner's Manual

Managing Switch Configuration and Files
2-34 Basic Configuration
Parameters
Defaults
Ifnotspecified,thedefaultportnumber23willbeused.
Mode
Switchcommand,read‐write.
Example
ThisexampleshowshowtostartaTelnetsessiontoahostat10.21.42.13:
D2(su)->telnet 10.21.42.13
Managing Switch Configuration and Files
Configuration Persistence Mode
Thedefaultstateofconfigurationpersistencemodeis“auto,”whichmeansthatwhenCLI
configurationcommandsareentered,orwhenaconfigurationfilestoredontheswitchis
executed,theconfigurationissavedtoNVRAMautomaticallyatthefollow ingintervals:
•Onastandaloneunit,theconfigurationischeckedeverytwominutes
andsavediftherehas
beenachange.
•Onastack,theconfigurationissavedacrossthestackevery30minutesiftherehasbeena
change.
IfyouwanttosavearunningconfigurationtoNVRAMmoreoftenthantheautomaticintervals,
executethesaveconfigcommandandwaitforthe
systemprompttoreturn.Aftertheprompt
returns,theconfigurationwillbepersistent.
Youcanchangethepersistencemodefrom“auto”to“manual”withthesetsnmppersistmode
command.Ifthepersistencemodeissetto“manual,”configurationcommandswillnotbe
automaticallywrittentoNVRAM.Althoughtheconfigurationcommandswill
activelymodifythe
runningconfiguration,theywillnotpersistacrossaresetunlessthesaveconfigcommandhas
beenexecuted.
Purpose
TosetandviewthepersistencemodeforCLIconfigurationcommands,manuallysavethe
runningconfiguration,view,manage,andexecuteconfigurationfilesandimagefiles,andsetand
viewTFTPparameters.
host SpecifiesthenameorIPaddressoftheremotehost.
port (Optional)Specifiestheserverportnumber.
Note: When your device is configured for manual SNMP persistence mode, and you attempt to
change the boot system image, the device will not prompt you to save changes or warn you that
changes will be lost.