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Issue with Win7 PC

Posted on 2013-06-13
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Last Modified: 2013-07-01
We just recieved a shipment of Win 7 PC. While installing them, we noticed that the port the PC were connected to are error disabling... Allowing the port to except 2 MAC allowed the PC to work, but the second MAC happens to be the Routers MAC address... When this MAC appears on the port we lose connectivity to that network...
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Question by:axl13
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by:Sam Simon Nasser
ID: 39244519
sorry but i didn't get the question well!

you have a PC with 2 MACs?
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Author Comment

by:axl13
ID: 39244535
Yes, the PC has two mac's, the issue is that the 2nd MAC is the ROUTERs MAC and it is acting like the default gateway...
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Expert Comment

by:Sam Simon Nasser
ID: 39244617
how come there are 2 macs with the same numbers? impossible!
you can download mac changer and change the 2nd mac to something else
http://www.technitium.com/tmac/index.html
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Author Comment

by:axl13
ID: 39244646
Not just one PC, there are few... The ones that show this take the ROUTERS MAC address, witch is the Default Gateway...
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Expert Comment

by:Sam Simon Nasser
ID: 39244688
i once faced this issue, normal PC and one mac. our neighours are connected to our router and once we faced internet curruption. found out that they installed 4-port switch that cause this issue (IP issue).

if you have installed any devices lately, in which this problem appears after, remove them and try. you have to remember which date this was working .
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Author Comment

by:axl13
ID: 39244947
samnasser,
6?
where you running ipv
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Expert Comment

by:Sam Simon Nasser
ID: 39245046
no ... normal pc and normal configuration ... the switch was causing ip mis configuration, once we removed it, everything went back normal
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Accepted Solution

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axl13 earned 0 total points
ID: 39278909
Ended up being a bad PC...
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Author Closing Comment

by:axl13
ID: 39289409
Replaced PC and problem solved...
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