Routers operate at the network layer in the network model, one step above Ethernet.
路由器在整个网络模型的网络层运行，比以太网高了一级。
A network can be split into multiple broadcast domains using routers.
路由器可以将网络划分为多个广播域。
They're not radically different from routers inside the middle of the network.
要知道，它们跟网路中的交换机是无本质差别的。
For the agreement between routers exchange authentication function, improve the network security.
为路由器间的协议交换增加认证功能，提高网络安全性。
Routers are able to view the network as a whole.
发送程序可以把网络视为一个整体。
In the network layer, we have routers that can connect two networks.
在网络层，我们使用路由器连接两个网络。
In the network layer, we have routers that can connect two networks.
在网络层，我们使用路由器连接两个网络。
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