File transfer to board

Connect the lan cable from ONT to Laptop

Download Solarwinds TFTP Server

Install the TFTP Server

Goto File-> Configure (Check the TFTP Root Server directory as C:\TFTP-Root)

Keep the voip_kernel.ko(file) in C:\TFTP-Root

check the ipconfig in cmd (you will get 192.168.1.254 as Gateway IP and System IP as 192.168.1.64)

192.168.1.64 will acts a TFTP Server and your board will act as TFTP Client

ssh to 192.168.1.254 using Putty

Now do the tftp command in .254 putty window

tftp -gr voip_kernel.ko 192.168.1.64

Now check the MD5SUM on your windows and linux system both should match

C:\TFTP-Root>certutil -hashfile voip_kernel.ko MD5

MD5 hash of voip_kernel.ko:

88e8f9781b246b4e63429f597e21c280

CertUtil: -hashfile command completed successfully.

root@Cortina:/home/ONTUSER# md5sum voip_kernel.ko

88e8f9781b246b4e63429f597e21c280 voip_kernel.ko

Both the MD5SUM macthes means both are identical files

Original file md5sum of original file

------

root@Cortina:/home/AdminGPON# md5sum /lib/modules/4.14.180/voip_kernel_orig.ko

688c82542bd2282f85a4a435200d5c17 /lib/modules/4.14.180/voip_kernel_orig.ko

SIP Protocol