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Slow time switching pages in Web Browsers (tried IE, FF, Google Chrome) Fast Internet Speed Test

Posted on 2008-10-01
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Last Modified: 2013-12-14
We have 7 Bonded T1 circuits connecting our office to internet.  Speed test show 7000kb to 8000kb up and down even with LAN connected.

The problem that exist is that web pages are slow to switch from one to another.  Once you are on a page it is very fast.  For example if your on CNN.com the page is very fast, but if you then got another page say MSNBC, or ESPN it takes a while to start loading the page.  Once it loads page is very fast.

Sounded like slow DNS to me so I checked all DNS on Windows domain, tried not using forwarder and doing root lookups and changed DNS forwarders to faster DNS servers.  All of which had no apparent effect.

I have tested at the ISP router with LAN disconnected and the problem seems to exist there as well.  Of course the ISP points to speed test and says nothing is wrong.

Anyone have any ideas about what could be happening and how I would express this to the ISP?

Anyone have any free tools they would suggest to diagnose this further.  Speed test seem to do fine, but this is more of page change latency.  I had a hard time figuring out what the users were complaining about at first, but there is defiantly something wrong.  A home DSL or cable circuit switches pages more quickly even with IE.
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Question by:levers420
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by:billwharton
ID: 22629548
try setting up the workstation with a public dns server like 4.2.2.2 and 205.171.3.65 and see if this helps.

You can also use this
http://www.codeproject.com/KB/IP/DNSTester.aspx
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levers420 earned 0 total points
ID: 22629897
Found problem last night.  Sonicwall 2040 has port set to 100mb full and not autoselect.  Linksys 2042 switch attached to sonicwall was set to autodetect.  Per sonicwall forums changed port config from auto to 100mb full and presto problem fixed.  Wierd indeed since switch was autodetecting correctly.  Apparently you either set both ports to auto or set them but if you do one it impacts performance.
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