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ETH接口指的是接口，是目前应用最广泛的局域网通讯方式，同时也是一种协议。而62616964757a686964616fe4b893e5b19e31333436316238以太网接口就是网络数据连接的端口。以太网的每个版本都有电缆的最大长度限制(即无须放大的长度)，这个范围内的信号可以正常传播，超过这个范围信号将无法传播。
The ETH interface refers to the interface & #xff0c; it is the most widely used local area network (LAN) mode of communication & #xff0c; and it is also an agreement. The ETH interface is the port of the network data connection. Each version of the THN has a maximum length limit on cable (i.e., a length that does not need to be magnified) & #xff0c; the signal in this range can normally be transmitted xff0c; the signal beyond this range will not be transmitted.
eth 代表ethernet 以太网的意思eth0，eth1，eth2，代表网卡一，网卡二，网卡三。
Eth represents Ethernet for eth0xff0c; eth1xff0c; eth2xff0c; #xff0c for netcard I; #xff0c; #2ff0c; net card III.
ifconfig配置网卡配置网卡的IP地址ifconfig eth0 192.168.0.1 netmask 255.255.255.0在eth0上配置上192.168.0.1 的IP地址及24位掩码。
Ifconfig config config net card config ifconfig eth0192.168.0.1 netmask 255.255.255.0 is configured on eth0 with an IP address of 192.168.0.1 and a 24-bit mask.
要在eth0上在配置一个192.168.1.1/24 的IP地址，用下面的命令ifconfig eth0：0 192.168.1.1 netmask 255.255.255.0这时再用ifconifg命令查看，就可以看到两个网卡的信息了，
Configure an IP address for 192.168.1.24 on eth0 & #xff0c; use the following commands ifconfig eth0 & #xff1a; 0092.168.1.1 netmask 255.255.255/0; then use the fconifg command to view xff0c; see the information on the two webcards xff0c;
扩展资料：
Extended informationxff1a;
几种常见的以太网接口类型：
Several common Ethernet interface types xff1a;
1、SC光纤接口SC光纤接口在100Base-TX以太网时代就已经得到了应用，因此当时称为100Base-FX(F是光纤单词fiber的缩写)，不过当时由于性能并不比双绞线突出但是成本却较高，因此没有得到普及，现在业界大力推广千兆网络，SC光纤接口则重新受到重视。
1. The SC fibre-optic interface SC fibre-optic interface was used xff0c in the 100Base-TX Ethernet era; thus it was known at that time as 100Base-FX (F is the acronym of the fibre-optic word fiber) xff0c; however, the performance was not more prominent than the two-string line but was more expensive xff0c; thus it was not widely available xff0c; the Giganet xff0c is now strongly promoted in industry; and the SC fibre interface received renewed attention.
2、RJ-45接口这种接口就是我们现在最常见的网络设备接口，俗称“水晶头”，专业术语为RJ-45连接器，属于双绞线以太网接口类型。RJ-45插头只能沿固定方向插入，设有一个塑料弹片与RJ-45插槽卡住以防止脱落。
The RJ-45 interface is the most common network device interface we have now xff0c; commonly known as Crystalhead xff0c; the professional term RJ-45 connector xff0c; is the type of double-string & #xff0c interface. RJ-45 plugs can only insert xff0c in a fixed direction; there is a plastic chip stuck with RJ-45 slots to prevent escape.
3、FDDI接口FDDI是目前成熟的LAN技术中传输速率最高的一种，具有定时令牌协议的特性，支持多种拓扑结构，传输媒体为光纤。光纤分布式数据接口(FDDI)是由美国国家标准化组织(ANSI)制定的在光缆上发送数字信号的一组协议。
3 The FDDI interface FDDDI is one of the highest transmission rates in the currently mature LAN technology xff0c; has the characteristics of a time-fixing protocol xff0c; supports a variety of capping structures xff0c; the transmission medium is fibre optic. The fibre-optic distributed data interface (FDDI) is a set of protocols developed by the United States National Organization for Standardization (ANSI) to send digital signals on fibre cables.
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