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akmodi
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help me recover this old Rb250GS

Fri Jun 04, 2021 12:23 pm

HI,

I've flahsed an incorrect file onto my Rb250GS - works fine as an unmanaged switch -- but how do i get to flash a correct firmware?

Have tried TFTP -- but does not seem to pick up an IP or the file ?
 
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rextended
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Re: help me recover this old Rb250GS

Fri Jun 04, 2021 12:44 pm

 
akmodi
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Re: help me recover this old Rb250GS

Sat Jun 05, 2021 10:00 am

Hi rextended,

Thanks for the reply.

I have tried to do this - but I keep getting these logs: does not want to pick up the Ip and thereafter the firmware file.

details from tftp64

DHCP: proposed address 10.0.0.2 [05/06 18:56:39.785]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:39.972]
DHCP: proposed address 10.0.0.2 [05/06 18:56:39.972]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:40.004]
DHCP: proposed address 10.0.0.2 [05/06 18:56:40.004]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:40.207]
DHCP: proposed address 10.0.0.2 [05/06 18:56:40.207]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:40.238]
DHCP: proposed address 10.0.0.2 [05/06 18:56:40.238]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:40.269]
DHCP: proposed address 10.0.0.2 [05/06 18:56:40.269]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:40.425]
DHCP: proposed address 10.0.0.2 [05/06 18:56:40.425]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:40.441]
DHCP: proposed address 10.0.0.2 [05/06 18:56:40.441]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:40.660]
DHCP: proposed address 10.0.0.2 [05/06 18:56:40.660]
 
pe1chl
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Re: help me recover this old Rb250GS

Sat Jun 05, 2021 10:49 am

Maybe your DHCP server does not properly reply to BOOTP requests?
 
akmodi
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Re: help me recover this old Rb250GS

Sat Jun 05, 2021 11:21 am

Hi Pe1chl,

fair enough -- but what do i need to do to get tftpd to run properly -- in this case ?

Also may I ask: https://wiki.mikrotik.com/wiki/SwOS/RB2 ... S_firmware ----- what OS are they using - so that I can do the same ?

Thanks
 
pe1chl
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Re: help me recover this old Rb250GS

Sat Jun 05, 2021 11:46 am

I would guess the easiest is to use Linux.
But although I once used a Rb260GS switch I have never tried what you are doing now, so I am not familiar with the details.
I only see your loop of:
DHCP: proposed address 10.0.0.2 [05/06 18:56:39.785]
Rcvd BootP Msg for IP 0.0.0.0, Mac 00:00:00:00:00:01 [05/06 18:56:39.972]
and I think it means the switch does not see a reply to its BOOTP request.
Of course this part you could also do with a MikroTik router with DHCP server. It has to have BOOTP enabled as well, like many DHCP servers this is a separate option.

tftpd is only the next step, first you need to solve this part of the problem.

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