br-lan、eth0、eth1及lo
如果你的设备含有不少于1个的LAN接口,那这个设备在不同的接口之间可能有一个被称为交换(?switch?)的特殊连接。大多数的内部构造如下图所示:
If your device contains no less than one LAN interface, there may be a special connection between the different interfaces called the exchange (?switch
?br-lan=lan网桥?
♪ ♪strong br-lan ♪ ♪lan ♪ ♪ bridge ♪ ♪/strong ♪ ♪
?eth0=lan接口(注意 是路由上的LAN RJ45口)?
♪ Strong'eth0=lan interface ♪ ♪/strong ♪
?eth1=wan接口(注解同上)?
♪ Strong eth1 =wan interface ♪ ♪/strong ♪
?wlan0=无线端口?
♪ Strong ♪ wlan0 ♪ Wireless port ♪ ♪/strong ♪
在路由器中输入ifconfig命令,输出如下图:
Enter an ifconfig command in the router to produce the following diagram:
?eth0?
eth0是一块物理网卡。eth0.1 eth0.2都是从此设备上虚拟出来的。
Eth0 is a physical net card. Eth0.1 eth0.2 is made from this device.
eth0.1 是vlan1分出的lan口。
Eth 0.1 is vlan1 out of the mouth.
eth0.2 是vlan分出的wan口。
Eth 0.2 is vlan's cut out of the wan.
?rao raio?
这两个是成对出现,一看就知道是无线设备,它们各自对应一个SSID,分别是2.4G和5G。
These two pairs appear to be wireless devices, each corresponding to an SSID, which is 2.4 G and 5 G, respectively.
?br-lan?
br-lan 虚拟设备,用于LAN口设备桥接,可以用查看使用情况。
b-lan virtual device, used for LAN bridging, which can be used to view usage.
br-lan=eth0.1 + rai0 + ra0,即将有线LAN口和无线网统一划分为 ?LAN?,便于管理!
B-lan=eth0.1 + rai0 + ra0, which divides the wired LAN mouth and wireless network into lan ?lo? lo 虚拟设备,自身的回环网设备。 Lo Virtual device, self-recycling device. 虚拟设备,他就是常见的拨号宽带上网,需要有ISP提供的用户名密码,连接后方可激此接口! Virtual devices, he's a common dial-up broadband connection that requires a username password from the ISP before it connects to the interface!
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