What Is a Cisco Core Switch?
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What Is a Cisco Core Switch?
Answer: The high capability switch that is located in the backbone or the network physical core. It acts as the gateway for the WAN (wide area network) and gives the end aggregation point and allocates the various aggregation module that works together.
The core switches work in the public WAN to connect the switches that are located at the edge of the network. While in the LAN its work is to interconnect the workgroup switches whose capability is low and located in the geographics cluster form. The core switch is present at the central position in a network and must have the capacity to handle the load on it. The power it can hold is quite larger than the normal desktop switch.
The core switches work in the core layer of the network is the routing and data switching. The data is moved toward the bottom layer (distribution access layer) of the network and the entire network is based on the data that is routed and switched in the core switch. Normally various switches are present at the layer with the purpose of the huge data amount to be routed in the hierarchy. The multiple switches in the core layer also keep the crowd of the data packets because due to the crowded packets there might be a back-flow of the data which causes the core layer to malfunction.it is the main reason why the high-capacity switches are needed in the Ethernet hierarchy.
Some of the important core switches are listed in the following that need be to check for the effective performance:
Forwarding rate: The sore switches are responsible for the routing of a large amount of data so the forwarding rate must be high.it is the indication of the data packets that are transferred in a time. High forwarding rate switches are responsible for the core layer.
Qos: The quality of service helps in the release of packets with the help of strategy because the network has a huge amount of data that passes the QoS to help in the selection of the important packets.
Redundancy: The sudden failure is kept with the consideration of this factor. Some of the power modules increase redundancy.
Compatibility with the topologies: With the multiple cores switches the layer might be collapsed, and the switch has to perform the incompatibility with the topologies.