Hi, It seems that I have met the same problem with post id:396
I bought TP-LINK NG421 2.5G nic with chip RTL8125B. After updated the extra v0.11_test(http://s000.tinyupload.com/?file_id=04147311964729253115), PCIE Lan3 successfully recognized in the control panel. but dhcp failed. the ip is still 169.254.182.x, Changed to a static ip but problem still.
newly install DSM 6.2.3 25426U2 with loader 1.03b for DS3615xs
Mainboard:SuperMicro x10slv-q with 2 nic I217-V and I210-AT onboard
PCIE: TP-LINK NG421 2.5G(RTL8125B)
CPU: G3460T
please help, thanks.