i am newly oppointed Network administrator in a farm which have three floors.we have 2600 series router in our building.we are connected through optical fibre to our ISP and proxy server which is installed at ISP end.The problem is that our internet connectivity broke again and again google chorme gives error, problem with proxy server but we have continous ping reply from proxy server.I want to know is there any problem in our end or with our ISP.i will be very great full if some one help
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Troubleshooting with Chrome is not the best method. You need to determine the scope of the problem. Are all of your clients on your network impacted? Using PING, can you ping past the proxy? Have you verified that name resolution is working?
For non HTTP traffic, are you able to …
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