"Bird's Linux Private cuisine: Server Building" The first part of the study notes

0. Problem Set

1. When we buy the network, there are 4M, 5M, 8M, 10M and even 100M, how operators control the bandwidth of each user?

First, the network basic concept

1. The biggest difference between the exchanger and the hub is that there is a special memory in the exchanger, which can record the MAC address of each switch port and the PC to which it is connected, so when the PC from the switch is transmitting data to each other, each frame will pass through the switch's memory data directly. and transfer it to the target host! So switch is not a shared media, and the switch has a separate bandwidth for each port (port) Oh!

"Bird's Linux Private cuisine: Server Building" The first part of the study notes