关于eth0和eth1网卡的问题

ciolcs

1.用正点原子出厂的源码，会自动打开两个网卡，eth0和eth1.

1.终端显示：
Configuring network interfaces... [   12.253417] fec 20b4000.ethernet eth0: Freescale FEC PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=20b4000.ethernet:01, irq=-1)
[   12.292822] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
done.
Starting Xserver
Starting system message bus: dbus.
Starting Connection Manager
Starting Dropbear SSH server: Generating key, this may take a while...
[   13.543319] fec 2188000.ethernet eth1: Freescale FEC PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=20b4000.ethernet:00, irq=-1)
[   13.602835] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[   15.333120] fec 20b4000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[   15.341002] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   16.623140] fec 2188000.ethernet eth1: Link is Up - 100Mbps/Full - flow control rx/tx
[   16.631023] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready

2.1自己跟着开发板教程的源码，网络挂载内核。
2.2用开发板教程的源码，自己把程序固化到sd卡上。
这两个操作都不会自动打开两个网口，还要自己在终端输入命令，配置ip地址。
2.1终端显示：
fec 20b4000.ethernet eth0: Freescale FEC PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=20b4000.ethernet:01, irq=-1)
IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
fec 20b4000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
IP-Config: Complete:
     device=eth0, hwaddr=00:04:9f:04:d2:35, ipaddr=192.168.16.79, mask=255.255.252.0, gw=192.168.16.1
     host=192.168.16.79, domain=, nis-domain=(none)
     bootserver=192.168.16.78, rootserver=192.168.16.78, rootpath=


2.2终端显示：
fec 20b4000.ethernet eth0: Freescale FEC PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=20b4000.ethernet:01, irq=-1)
IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready

Please press Enter to activate this console.
/ #
/ # fec 20b4000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

看了开发指南，没有什么思路，请求网友帮助，讲下是啥原因？是在什么文件里有配置好还是啥？开发指南里暂时也没找到原因。

人淡如菊

在你自己制作文件系统里，找到启动文件，设置网卡自启动。出厂系统也是设置了自启动的