Nvram on ac66u

[iAirJordan]

What does clearing it do? Will it make it faster? I looked it up and don't really understand.. How often should i clear it? If it does improve things how would i do it manually without the command on the ac66u. Thanks.

 

[KAD]

nvram = non-volatile RAM (random access memory)

it stored all device settings

delete/clear will not make the device any faster

however, it's sometimes needed to clear out old settings that are not used anymore

example: sometimes a new firmware will change the default value for a setting

when you flash the firmware, this setting is not changed

but if you clear nvram, then reboot
all new default settings are used

clearing nvram can also sometimes solve odd problems
because ALL device settings are restored to default

 

[iAirJordan]

nvram = non-volatile RAM (random access memory)

it stored all device settings

delete/clear will not make the device any faster

however, it's sometimes needed to clear out old settings that are not used anymore

example: sometimes a new firmware will change the default value for a setting

when you flash the firmware, this setting is not changed

but if you clear nvram, then reboot
all new default settings are used

clearing nvram can also sometimes solve odd problems
because ALL device settings are restored to default

thanks so much... how do i clear it?

 

[KAD]

in most cases you'll only need to use the reset to defaults button on the webui

but it can be done from cmd line as well

mtd-erase -d nvram && reboot

 

[netmik3]

Dont clear it, i dont think you know what you are doing.

 

[jlake]

There's several methods to clear nvram. The user manual says to press and hold reset button for more than 5 seconds.

 

[RogerSC]

Yes, there's also the button to go back to factory default settings under "Admin". And you can power off, press the WPS button, power on while holding the WPS button, and keep holding it for a few seconds.

Lots of ways to do it. But you generally only need to do it after you upgrade your firmware when there's a functional jump between firmware versions. Or if things are going wrong with your router, and you think that your nvram (settings) may have become corrupted, like via a power failure or something, then you can also try clearing your nvram and manually re-entering your settings.

Kind of an almost last resort *smile*, but it isn't anything to worry about as long as you have your arms around what the settings on your router need to be for your configuration so that you can re-enter them.

Note that you don't want to use a "saved settings" file to restore your settings if you've cleared your nvram after upgrading firmware. On the other hand, if you're doing this because you're having problems that you can't explain and can't seem to fix, and you have a settings file from before you started having those problems, it makes sense that you could clear the nvram and restore that settings file.