ethaddr not set

[farohp]

Hi ,i have a tplink w8970 , i have put it in UART mode, uploaded your u-boot modified
cat u-boot.asc > /dev/ttyUSB0
when it start i have do the following commands:

setenv ipaddr 192.168.1.1
setenv serverip 192.168.1.100

but when i start tftpboot:
i obtain this error:

VR9 # tftpboot
8192 KiB W25Q64 at 0:3 is now current device
*** ERROR: `ethaddr' not set
8192 KiB W25Q64 at 0:3 is now current device
VR9 # version

U-Boot 2010.06-LANTIQ-v-2.0.40 (Dec 04 2015 - 09:20:29)

`

where is the problem?

if i do :

VR9 # printenv ethaddr
ethaddr=00:E0:XX:00:XX:XX

i obtain my mac.