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Sep 29, 2021 · Since a switch has some intelligence, it can build the MAC address table automatically. The following part will illustrate how a switch learns MAC addresses. There’s a switch in the middle and we have 3 computers around. All computers have a MAC address but they are simplified as AAA, BBB, and CCC.
- Objectives
- Background / Scenario
- Required Resources
- Part 1: Build and Configure The Network
- Part 2: Examine The Switch Mac Address Table
Part 1: Build and Configure the NetworkPart 2: Examine the Switch MAC Address TableThe purpose of a Layer 2 LAN switch is to deliver Ethernet frames to host devices on the local network. The switch records host MAC addresses that are visible on the network, and maps those MAC addresses to its own Ethernet switch ports. This process is called building the MAC address table. When a switch receives a frame from a PC, it examines the...
2 Switches (Cisco 2960 with Cisco IOS Release 15.2(2) lanbasek9 image or comparable)2 PCs (Windows with terminal emulation program, such as Tera Term)Console cables to configure the Cisco IOS devices via the console portsEthernet cables as shown in the topologyStep 1: Cable the network according to the topology.
Instructions for Packet Tracer:
Step 4: Configure basic settings for each switch.
a. Configure device name as shown in the topology. b. Configure IP address as listed in Addressing Table. c. Assign ciscoas the console and vty passwords. d. Assign classas the privileged EXEC password.
A switch learns MAC addresses and builds the MAC address table, as network devices initiate communication on the network.
Network devices that operate on Layer 3 such as routers as well as multi-layer switches will have multiple MAC addresses, one assigned to each network interface. MACs must be unique on a network segment, but may not be on different network segments. A MAC address is 48 bits or 6 bytes in total. We write it in hexadecimal.
Dec 22, 2023 · Learn how network switches use MAC addresses to efficiently forward data packets and manage network traffic. Understand the importance of MAC addresses in optimizing network performance.
There’s a switch in the middle and we have 3 computers. All computers have a MAC address but I’ve simplified them. Our switch has a MAC address table and it will learn where all the MAC addresses are in the network.
A switch is a network device that interconnects host devices at Layer 2 of the OSI model. In order to perform its function correctly, it must be able to learn the MAC addresses of the connected hosts and maintain them in a MAC address table. In this article, I’ll explain….
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Nov 30, 2014 · On each active port, there can be 0, 1 or more MAC (or CAM or whatever switch vendor names them) addresses. In fact, switch does not have a clue what type of device is connected without additional information (either administrator or some specially designed protocol tells more).
