freebsd网卡安装与dhcp配置方法

1、运行命令ifconfig查看当前网卡列表，确定名称，如果不在列表内，可能是驱动没装好

% ifconfig
dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.1.3 netmask 0xffffff00 broadcast 192.168.1.255
ether 00:a0:cc:da:da:da
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
dc1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.0.0.1 netmask 0xffffff00 broadcast 10.0.0.255
ether 00:a0:cc:da:da:db
media: Ethernet 10baseT/UTP
status: no carrier
lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
tun0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
2、vi /etc/rc.conf 添加
ifconfig_dc0="DHCP"
dhcp_program="/sbin/dhclient"
dccp_flags=""
3、reboot后，应该就可以用了

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