I am in ordinary xenserver6.1 version installed on the host, after the success of the installation, when login interface card working indicator light is automatically extinguished, my card is RTL - 8110 sc/sc 8169 Gigabit Ethernet, can identify the following entry card, but the state is not connected, but under the command line, enter the rmmod r8169 after a few seconds, the network card light is back to normal, restart the network service can connect to the Internet, what a great god can tell me how to solve this problem,,, thanks, here,