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The definitions depend upon the type of Ethernet adapter you have installed: If only one Ethernet adapter is installed, that adapter is defined as eth0 . If the Ethernet adapter is a dual port Ethernet adapter, then the port labeled Act/link A will be eth0 . The port labeled Act/link B would be eth1 .
The “up” or “ifup” flag with interface name (eth0) activates a network interface if it is not inactive state and allowing to send and receive information. For example, “ifconfig eth0 up” or “ifup eth0” will activate the eth0 interface.
eth0 is the first Ethernet interface. (Additional Ethernet interfaces would be named eth1, eth2, etc.) This type of interface is usually a NIC connected to the network by a category 5 cable. lo is the loopback interface.
04 and the network card is not supported by default kernel.
So, I upgrade kernel to 3.2 and it support it.
However, every time I reboot machine, need to sudo ifup eth0 to bring up it.
How can I modify some config to auto bring up eht0?
(not write in /etc/rc.local, cause I mount NFS on /etc/fstab, it need to mount first than rc.local).
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