For example, if a message needs to be sent to machine ‘A’, the switch will forward it to all the devices in its network and then learns about the address of machine ‘A’ and the sender. Unlike hubs, switches keep a hardware table for all the hardware addresses/ Mac addresses of the devices in the network and send the data packets to the respective devices only. They are responsible for the transmission of data packets from one device to another within the network on the basis of MAC address. Switches work on layer 2 that is Data Link Layer of OSI Model. The switch is a network device which is very similar to hub but is smarter than it. 10 Amazing Facts about Cisco You Must Know.Everything you must know about Cisco CCNA.Responsible for the same task, routers and switches are different in so many ways. There can’t be smart network without a router or a switch as they help in transferring the data packets and acknowledge. Routers and switches are network devices used to route the traffic from one path to another. They are the devices that connect everything to everything and transfer as well as secure the data packets from one point to another. Networking is all about devices routers, switches, firewalls, IPS, IDS etc. Everything you need to know about Cisco Routers-Switches and its series?
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