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Medium size network problem switches, routers, DNS problems


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#1 markwitha-k

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Posted 14 July 2015 - 05:15 PM

Ok , so il try and explain as best as I can ..

 

 my work has routers and switches across the building , the router or group of computers in question is the ones in the top office wich are connected to router lets call it "office router" .  now a few pc's connect to this router from the contractors office and all the pc's seem to drop connection or get limited connection issues using WIFI or Wired in  , and other times .. DNS errors cant be reached and so on ... I have replaced that router and the problem persists , now I am not using the WAN port , just the 4 others to connect them into the network. now I have all the pc's set to auto detect ip and DNS settings so they dont get conflicted.  Has anyone had this type of error with success in fixing it?   I am now believing that it could just be a bad wire running from the server room? because it works perfectly fine at random it kicks employee's from the point of sale  software screens as well.     Any idea's ?  or comments ?

 

Thanks in advance guys!!



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#2 Kilroy

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Posted 14 July 2015 - 05:45 PM

Do you possibly have a violation of the 5-4-3 Rule?

 

Has  this ever worked?  Very rarely does quality wiring go bad, when it does there is usually an outside source of the problem.

 

Why are you using a router and not a switch?  To provide wireless access?  If so, here's a tutorial on setting up a router as a wireless access point (WAP)

 

What is providing DNS and DHCP?



#3 Wand3r3r

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Posted 14 July 2015 - 06:39 PM

The 5-4-3 rule doesn't apply to switches though even with switches there are rules for good design.

 

We need a diagram of what equipment connected to what. Odds are wha'ts in the server room sounds saturated.



#4 markwitha-k

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Posted 14 July 2015 - 07:17 PM

ok , il get a screen shot of the map tomorrow when i go in. 

 

Thanks for the advice so far.






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