Switch principle and configuration

First, the switch is a typical data link layer hardware device, let’s first understand the functions of the data link layer;
switch principle and configuration
2. The data link layer mainly encapsulates the MAC address;
Switch principle and configuration
3. Ethernet frame format:
Switch principle and configuration
Four. Introduction to switch equipment:
Switch principle and configuration
Switch principle and configuration
Fifth, the working principle of the switch
Switch Principle and configuration
Switch principle and configuration
Switch principle and configuration
VI. Ethernet The working mode of the interface and their respective characteristics;
Switch principle and configuration
Switch principle and configuration Switch principle and configuration
Switch principle and configuration
Seven, switch Configuration;
Switch principle and configuration
Eight, Cisco device command line mode relationship diagram; < br> Switch principle and configuration

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