I've tried the pre version, also the today's pre15. Also not working.
I've checked it with wireshark, here is the output:
No. Time Source Destination Protocol
Length Info
1 0.000000 192.168.3.13 192.168.3.1 TFTP 97
Read Request, File: rescue/dev-64/vmlinuz, Transfer type: octet,
tsize\000=0\000, blksize\000=1408\000
Frame 1: 97 bytes on wire (776 bits), 97 bytes captured (776 bits)
Ethernet II, Src: 60:a4:4c:ea:6d:78 (60:a4:4c:ea:6d:78), Dst:
Micro-St_28:08:7e (00:24:21:28:08:7e)
Internet Protocol Version 4, Src: 192.168.3.13 (192.168.3.13), Dst:
192.168.3.1 (192.168.3.1)
User Datagram Protocol, Src Port: netmagic (1196), Dst Port: tftp (69)
Trivial File Transfer Protocol
No. Time Source Destination Protocol
Length Info
2 0.000529 192.168.3.1 192.168.3.13 TFTP 71
Option Acknowledgement, tsize\000=3249824\000, blksize\000=1408\000
Frame 2: 71 bytes on wire (568 bits), 71 bytes captured (568 bits)
Ethernet II, Src: Micro-St_28:08:7e (00:24:21:28:08:7e), Dst:
60:a4:4c:ea:6d:78 (60:a4:4c:ea:6d:78)
Internet Protocol Version 4, Src: 192.168.3.1 (192.168.3.1), Dst:
192.168.3.13 (192.168.3.13)
User Datagram Protocol, Src Port: 42671 (42671), Dst Port: netmagic (1196)
Trivial File Transfer Protocol
No. Time Source Destination Protocol
Length Info
3 0.001297 192.168.3.13 192.168.3.1 TFTP 67
Error Code, Code: Not defined, Message: No error, file close
Frame 3: 67 bytes on wire (536 bits), 67 bytes captured (536 bits)
Ethernet II, Src: 60:a4:4c:ea:6d:78 (60:a4:4c:ea:6d:78), Dst:
Micro-St_28:08:7e (00:24:21:28:08:7e)
Internet Protocol Version 4, Src: 192.168.3.13 (192.168.3.13), Dst:
192.168.3.1 (192.168.3.1)
User Datagram Protocol, Src Port: netmagic (1196), Dst Port: 42671 (42671)
Trivial File Transfer Protocol
So you can see it requests the file, the servers answers and then the
connection stopped.