Your question is “What happens to runt frames received by a cisco Ethernet switch?” Let’s discuss.
Typically, We forward only fewer frames in order to conserve the bandwidth. Let us learn about the frame forwarding process in the Cisco switch and forwarding the ethernet frames. The network components consist of four parts. The below figure represents the network component. It consists of two switches. These two switches are then connected to the computers. Each computer is configured with an IP address that is associated with a MAC address. It is the initial setup, the mac address tables store.
When one PC sends the data to the other computer 3, the sender computer must forward to the central device called switch via using a port. Upon receiving the frame from computer 1, the switch get checks the content like the Mac address and get to know it is not actually the Mac address. The MAC address table includes the MAC address of the computer 1.
The port where the frame comes and the VLAN is the port where the port is located and next is the destination MAC address. In this way, we send the frame to the destination computer. To reduce the bandwidth of the data, we decrease sending the packet to the receiver address. It forwards the packets from the switch to the switch via a cable called G0/1 and G0/2. In the MAC address table, the port stores the MAC address where the data is coming from, and the VLAN stores the address of the frame.
After receiving the packets, we reply back through a port like F0/3, F0/4, etc. Typically we use three approaches, where we store and forward the data and the cut-through method and at last the fragment free method. The switch receives the entire frame and checks the content in it. after it reduces the frames to decrease the bandwidth in the frames.
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