modprobe ixgbe.ko 与 modprobe ixgbe

[root@localhost ixgbe]#
[root@localhost ixgbe]# modprobe ixgbe.ko
modprobe: FATAL: Module ixgbe.ko not found.
[root@localhost ixgbe]#
[root@localhost ixgbe]# modprobe ixgbe
[root@localhost ixgbe]#