What's the Difference Between Routers, Switches and Hubs?
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Answer Posted / arunkongara
HUB the name itself says it is a collection of things and it will do nothing just it is a repeater it is a layer-1 device
every time it will broadcast packets it will not store MAC-ADD
so it have one broadcast,collision domain
switch is layer two device which store the MAC-ADD if we will send the packet first time than it will broadcast and than it will learn the mac-add and store next time if packet come to machine which mac-add already in mac-table of switch it will direct unicast that packet to that machine....in switch every port as a diff collision domain with the VLAN we will bake up broadcast domain also
router the heart of network it routes the packets from one network to another it is layer three device it deals with ip(logical) add of network
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