In the Cisco world, you have the ability to configure multiple DNS Servers on a Cisco device running the Cisco Internetwork Operating System (Cisco IOS) to ease network management. Could you imagine having to remember all the IP Addresses of all the popular websites? That could potentially cause chronic headaches. Most people have a hard time remembering telephone numbers. When you visit a URL on the internet you’re going to the URL’s website however behind the scene the DNS servers translate that name to an IP Address so that way you would not have to remember 209.191.122.70 as ĭNS has made the operation of the modern network so much easier as its obviously easier to remember instead of some random sets of numbers. If you’ve ever wondered how typing a URL in the web browser takes you to a specific website then you’re in for a treat, however if you already know how DNS works then this should be just review for you.ĭomain Name System (DNS) is a type of service that translates names into IP addresses.
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