I have very poor internet connectivity at the workplace, We have about 500 Users on the network,. Users complain of their inability to access common webpages such as : Yahoo, Gmail and the rest. But strangely Youtube is able to open faster and even play video seamlessly. I have observed and confirmed their problem. Making me doubt if its a bandwidth issue from the ISP I have an Enterasys XSR-3150 router that sits between the ISP and my network. I connected my laptop directly to the ISP ODF Core using static IPs and it resolves webpages very fast. Some advice as to diagnosing the problem will be very much appreciated.