Reset or recover password lost or forgotten alcatel OS6850 switch

Connect with putty.exe to the switch, make sure you are connected (press Enter key couple times)

Then reboot and press enter key almost immediately to stop Auto boot

Wait for the message Hit any key to stop autoboot: 0 and hit any key. Hit any key to stop autoboot: 0

Then type the following commands

=> fatls ide :1,0

=> fatls ide :1,0 /network

=> fatdelete ide :1,0 /network/usertable5 OR usertable4

Now powercycle the switch or type “run miniboot” on the U-Boot; => Reboot or =>boot Now back switch will be factory default “admin/switch”.

1 thought on “Reset or recover password lost or forgotten alcatel OS6850 switch

  1. Ketler Share

    If you receive this error
    Unknown command ‘fatdelete’ – try ‘help’ after you run fatdelete ide :1,0 /network/usertableX
    use
    fatdel ide :1,0 /network/usertableX
    I presume this issue is related to the firmware version running on OS6850. My software version was 6.4.3.479.R01 Mar 19 2010

    Reply

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