Jun 10

This article tell you how to recover the D-Link DSR-250N Wireless Router.

Note: – For the recovery process you will need the following:

• Console cable
• TFTP server
• Firmware – Download the latest version from the www.dlink.com
• PuTTy

Step 1
– Connect the serial port of the D-Link DSR-250N to your PC and an Ethernet cable between the DSR and your network (which is connected your PC)

Step 2 – Open the TFTP server and set the DSR firmware in the root folder.

For example: C: \ Program Files \ Tftpd64
dsr_250n_recovery_process0001

Step 3 – Open PuTTy and configure a COM port with the following: (The COM Port will be showing in Device Manager)

dsr_250n_recovery_process0002

Step 4 -Once configured, click “Open”

Step 5 -Once you see the boot process and the message – Complete the following:

Hit any key to stop autoboot: (“Press any key to stop autoboot”) press the Enter key to enter the bootloader

Step 6 – Enter the following command to set the IP address of the DSR

D-Link DSR-250N bootloader #setenv ipaddr 192.168.1.162

Step 7 -Enter the following command to set the host IP address where the TFTP resides

D-Link DSR-250N bootloader #setenv serverip 192.168.1.168

Step 8 -Enter the following command to set all the TFTP transfer of the LAN ports

D-Link DSR-250N bootloader #setenv ethact octeth0

Step 9 – Copy and paste the following command to overwrite the firmware

D-Link DSR-250N bootloader #setenv firm_flash ‘erase + 0x10080000 0x1d20000; cp.b $ (loadaddr) 0x10080000 0x1d20000’

Step 10 –Enter the following commands to boot firmware

D-Link DSR-250N bootloader #setenv boot_firm ‘0x10080000 cp.b $ (loadaddr) 500000; go 0x4000200’

D-Link DSR-250N bootloader #setenv bootcmd ‘run boot_firm’

Step 11 -Enter the following command to register

D-Link DSR-250N bootloader# saveenv

Step 12 -Enter the following command to transfer the firmware

D-Link DSR-250N bootloader#
 tftp $(loadaddr) DSR-250N_A2_FW2.11_WW

(The full name of the firmware as indicated below)

dsr_250n_recovery_process0003
You should also notice the transfer from TFTP server (if not, make sure the firewall is turned off or an antivirus program does not block)

dsr_250n_recovery_process0004


Step 13
-Enter the following command to flash the firmware

D-Link DSR-250N bootloader# run firm_flash

Step 14
-Enter the following command to run the firmware at boot

D-Link DSR-250N bootloader# run boot_firm

Once the operation is completed, the DSR will ask you to log in again.

DSR-250N login: admin
Password: admin

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