NVRAM concern...

Discussion in 'Tomato Firmware' started by sukwendo, Dec 8, 2008.

  1. sukwendo

    sukwendo Addicted to LI Member

    Hello there!

    I have a quick question - I recently purchased a WRT54GL with the intent of installing Tomato v1.19. Following the readme file that was bundled with the custom firmware worked great, but it failed to mention one thing - whether or not NVRAM should be erased.

    On several sites, I've come across the suggestion that you should erase all NVRAM after upgrading to Tomato from a different (in my case, factory default) firmware. I have my network set up entirely, DHCP reservations set and so forth, and I'm wondering if I should really erase NVRAM at this time. This will erase all my configurations, correct? And I have a feeling that saving a backup file of the configurations won't make the process any easier should I lose all current settings...

    If anyone would be willing to provide some information on whether or not I should erase the NVRAM, or if this will cause any issues if I proceed as is, I would be most appreciative! :)

    Thanks so much!

    Edit: I found some anecdotal data in an FAQ on this site it should[ be fine to proceed, but I'm wondering if any has any new thoughts or insights to forgetting to erase NVRAM. ^^; Thank you, and sorry for the potential duplicate information.
  2. nvtweak

    nvtweak LI Guru Member

    I think it's a good idea to clear nvram after upgrading from the original firmware. This way you make sure that there are no lingering nvram data.

    Tomato will run best this way and you will experience no problems due to old/incorrect nvram data.

    It's even mentioned in the Tomato FAQ

  3. fyellin

    fyellin LI Guru Member

    Let's put it another way. If you run into any problems and come seeking help on this forum, the first question you'll get asked is "Did you erase the NVRAM when you installed the software?"

    Failing to reset the NVRAM might be harmless. Or it might cause serious problems that no one will be able to help you debug. You'll find that Tomato's GUI interface makes it relatively quick and painless to re-enter all of your configurations.

  4. sukwendo

    sukwendo Addicted to LI Member

    Thank you for the sage advice! I'm now putting all my settings back into Tomato as we speak. It's not as time-consuming as I feared it would be.

    Thank you once more for addressing my NVRAM concerns. <3
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