两个路由器之间互联是采用直连线还是交叉线?为什么?

2025-03-15 05:42:23
推荐回答(2个)
回答1:

同类设备之间连接应该用交叉线
一般来说,主机到交换机/Hub、路由器到交换机/Hub用直通线,主机到主机、路由器到路由器、交换机到交换机、Hub到Hub、交换机到Hub、路由器到主机要用交叉线
因为本地端口的上发送引脚必须连接到对端端口的接收引脚上,同样本地的接收引脚要接到对端的发送引脚上。比如本地端口定义1,2发送,3,6接收,对端定义1,2接收,3,6发送,则要用直通线;如果本地和对端都定义1,2发送,3,6接收,则要用交叉线。由于同类设备引脚定义相同,因此同类设备之间连接要用交叉线。
现在新的设备基本都支持端口自适应,能都自动检测引脚的收发定义,因此这种设备连接时不需要关心使用交叉线还是直通线

回答2:

目前路由器都是自适应的,采用直通线可以,交叉线也可以。如果按正规来说的话,要是直通线,因为两个路由器要进行数据交换,并进行寻址。

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