Recently one of my RB4011iGS+RM crashed, I tried to enable it with Netinstall via network cable (local ethernet 192.168.88.2 and NetInstall server 192.168.88.3 connected to RouterBoard ether1) but it is not displayed at boot time, when I tried to check via cable console I found a kernel panic in the errors, when I entered via serial cable to the terminal with HyperTerminal, searching in several discussions in the forum I found some that indicated that he should install a *.fwf file for the case of Upgrade, I did not find almost nothing on the net that is for RB4011, just a post with *.dpk files, I downloaded one and tried to load it via HyperTerminal but I get an "invalid upgrade file id" error.
PS: I had to format NAND
This is info of board (some data has been deleted/changed)
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Board Info:
Board type: RB4011iGS+
Serial number: F03A0E********
Firmware version: 6.47.9
CPU frequency: 1400 MHz
Memory size: 1024 MiB
NAND size: 512 MiB
Build time: 2021-02-05 09:34:31
eth1 MAC address: 2C:C8:1B*********
eth2 MAC address: 2C:C8:1B********
eth3 MAC address: 2C:C8:1B:********
eth4 MAC address: 2C:C8:1B:*********
eth5 MAC address: 2C:C8:1B:*********
eth6 MAC address: 2C:C8:1B:***********
eth7 MAC address: 2C:C8:1B:***********
eth8 MAC address: 2C:C8:1B:**********
eth9 MAC address: 2C:C8:1B:***********
eth10 MAC address: 2C:C8:1B:***********
eth11 MAC address: 2C:C8:1B:***********
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:00000050
AL31400X-140
RouterBOOT booter 6.47.9
RB4011iGS+
CPU frequency: 1400 MHz
Memory size: 1024 MiB
NAND size: 512 MiB
Press any key within 5 seconds to enter setup.....
trying bootp protocol...................................................
................................................................ failed
kernel loading failed
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:00000050
AL31400X-140
RouterBOOT booter 6.47.9
RB4011iGS+
CPU frequency: 1400 MHz
Memory size: 1024 MiB
NAND size: 512 MiB
Press any key within 2 seconds to enter setup
RouterBOOT-6.47.9
What do you want to configure?
d - boot delay
k - boot key
s - serial console
n - silent boot
o - boot device
r - reset booter configuration
e - format nand
w - repartition nand
g - upgrade firmware
i - board info
p - boot protocol
t - test ram memory
x - exit setup
your choice: g - upgrade firmware
Upgrade firmware options:
e - upgrade firmware over ethernet
s - upgrade firmware over serial port
your choice: s - upgrade firmware over serial port
xmodem receiver ready, waiting for data...
press <Ctrl>+X several times to cancel transfer
press any key to continue...
file transfer ok
invalid upgrade file id
Press any key within 2 seconds to enter setup.
como puedo conseguir el firmware correcto para poder continuar con la instalación de RouterOS, y en este caso, también puedo instalar el *.npk mediante cables serial?
How can I get the correct firmware to be able to continue with the installation of RouterOS, and in this case, can I also install the *.npk through serial cables?