Have you briefly introduced what a router is before? Today we will introduce the functions of routers.
What are the functions of a router?
Connect different networks
Look at it from the perspective of filtering network traffic. Routers may function remarkably similarly to switches and bridges.
However, it operates at the network's physical layer. The switches that physically separate network segments vary. Routers use particular software protocols to logically divide the entire network.
For every received packet. The router will recalculate its checksum. and write the new physical address.
Therefore, use the speed at which the router forwards and filters the data. This speed tends to be slower than a switch that only looks at the physical address of the packet.
However, for those networks with complex structures. Using a router can improve the overall efficiency of your network.
A clear benefit of the router is its ability to autonomously screen network broadcasts.
In general, if we are to delve into the comprehensive procedure of integrating a router into the network. This installation process is much more complicated than a plug-and-play switch.

Choose the route for message transmission
Certain routers are limited to supporting just one protocol. However, the majority of routers are capable of transmitting multiple protocols, hence they are referred to as multi-protocol routers.
Each protocol operates under its own set of regulations. Complete the algorithms of multiple protocols in one router. This will have a reduced impact on the performance of the router.
What is the primary function of a router? Its goal is to determine the optimal transmission path for each data packet that passes through the router. It then efficiently sends the data to the target locati0n.
The crux of the router lies in the approach for choosing the optimal route, known as the routing algorithm.
To get this job done. The router stores relevant data of various transmission paths - Routing Table.
The route table can be permanently configured by the system manager, or it can be dynamically altered by the system itself. It can be auto-adjusted by the router, or managed by the main computer.
What is a static routing table?
A static path table refers to a predetermined route table established by the system administrator. Typically, it is preconfigured based on the network setup during the system installation process. The future network structure changes will not affect it.
What is a dynamic routing table?
The dynamic path table is a table that the router adjusts automatically based on the network system's conditions. Functionality provided by a router based on routing protocols. Automatically learn and remember network operations. Automatically calculates the best path for data transfer when needed.
The function of the router is not in name only! The above is an introduction to the functions of the router.