What is wrong with my network?

GreGorGy

GreGorGy

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Hopefully someone here has some insights. First, the background...

So, we have two offices - a head office and a branch. The H/O has a Squid proxy controlling access as does the branch. At the h/o, a VM has been deployed to serve among others a Cent VM that hosts our intranet. The proxy hands over requests from both within H/O and externally to the VM if the user is trying to browse intranet.company.co.za

At the beginning of this week, during the course of Monday, that stopped working properly. Internally, everything is fine but the branch - AND ONLY THE BRANCH - cannot successfully navigate the intranet. Their users will find the site, get the login page, log in and start working. Then, network timeouts and incomplete transfers and failures on specific pages start occurring intermittently. A failed page can be reloaded a second later, no problem.

This has made the system unusable. The guy responsible for the proxies tells me that nothing has changed on either and that both are working just fine. A visit to pingdom.com suggests that the lag is in connecting. I have tried all manner of testing and speaking to ISPs and nobody is taking responsibility. And the rub, today it seems to be working fine - so somebody, somewhere, lied and I would like to know who.

Does anyone have any ideas what can cause this kind of scenario?
 
Does the branch have their own breakout or does it go through to HO
What kind of connection is between HO and the Branch
 
Investigate your branch internet usage. Most likely someone figured out how to use torrents and is saturating the line enough to cause timeouts to your H/O

Happened to us once.
 
halfmoonforever said:
Investigate your branch internet usage. Most likely someone figured out how to use torrents and is saturating the line enough to cause timeouts to your H/O

Happened to us once.
Click to expand...

Ja - that would be a suspicion as it did happen last month and the culprit has been identified but according to the geeks at H/O, they have checked and this is not the problem.
 
You need line utilization stats, either try get from the SP or implement your own monitoring.
 
syntax said:
You need line utilization stats, either try get from the SP or implement your own monitoring.
Click to expand...

I love line utilization stats, once you got an idea how the line is being utilized then you get the IP and bobs your uncle.
 
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