UFTP is not working as expected

Question

I am using UFTP to transfer files within the subnetwork computers.

But when I used -H to send only particular computers instead of sending to all computers, it is not working as expected.

Let me explain in detail :

1. I have two windows machines in same network of IP's 172.21.170.198,172.21.181.216 respectively.
2. From one of the system, I used below mentioned command to send the file

uftp.exe   -R 100000    -H 172.21.170.198,172.21.181.216    e:\setup.exe

3. But both machines won't receive those file.

But if I use this command both machines will receive the file.

uftp.exe    -R 100000    E:\setup.exe

I want to know whether I made any mistake.

Please correct me if I am wrong.

Thanks in Advance.
Kindly revert back for any clarifications.

Regards,
Thiyagu

Answer 1

If ipv6 isn't enabled, it would look like this, converting the ipv4 addresses to hex (with a converter like http://www.kloth.net/services/iplocate.php):

uftp.exe   -R 100000    -H 0xAC15AAC6,0xAC15B5D8    e:\setup.exe

But if you have an ipv6 address on the client, the client id sort of comes from the end of it backwards. Like if the address was "fe80::e5ca:e3ca:fea3:153f%5", the command would look like:

uftp.exe   -R 100000    -H 0x3f15a3fe    e:\setup.exe

(coming from "fe a3 15 3f")