Routers
A router is a general device that is used to segment a network, with the goal of limiting broadcast traffic and providing security, control, and creating multible paths. It is a device that connects multiple LANs at the network layer and has access to network addresses, and it operates with respect to protocols. Routers have advantages as well as disadvantages. Among disadvantages, this device is new in the market, and that's why the price range is kind of high. But the good side is as more they are being used in the market today, the price is being lowered. Another disadvantage is, it is a very protocol oriented de
If a link goes down, it will issue an alarm but would not reroute the traffic. Carrier routers are used for work groups or corporate internet. Some of these dynamic routers even balance the traffic load across multiple links and allows many links to handle peak traffic conditions. It can be used for point to point network and in certain situation router combines bridges or work as a bridge for the LAN. They balance the traffic load and reroute in case of congestion or failure. Dynamic routing is when the router reconfigures routing table automatically and recalculates the most efficient path interm of load, line delay and bandwidth. Also they implement flow control and they tie corporate backbones together. It offers more intelligance, and has more complex network and traffic control management than bridges do. Routers are classified as their service capabilities and workload. Static routing is when the network Managers configure the routing table to set fixed path between two routers. Enterprise routers allow several protocols to share the same logical network. vice and to maintain the framework it uses very large applications, such as operating system and management software. It provides firewall service and economical WAN access. Similar tobridge a Router provides filtering and bridging functions across the network.
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