The access layer switch is mainly to solve the access requirements between adjacent users. The shared address that we often use in our office is the credit of the access layer switch. In some large networks, the access layer switch also has user management and user management functions. Information gathering functions.
The aggregation layer switch is used to transmit the information of the core layer switch and the access layer switch. The aggregation layer switch can implement strategy and implement functions such as routing between VLAN, workgroup access, and address filtering according to the edited program.
As the core layer switch of the backbone transmission network, it has the characteristics of high reliability, high efficiency, manageability, and low latency.