intermitten duplex mismatch on Cisco router 2800

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Nov 20th, 2008
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At our remote location, every once in a while, the metro connection from there to our building, will come up with a duplex mistmatch error.


Both interfaces are set to full duplex..however the only way to fix it, is if i reboot the router at the other location..then its good for a while, but again, every once in a while comes back with a duplex mismatch.


Any ideas?

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John Blakley Thu, 11/20/2008 - 08:03
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Bad cable maybe. If you have both hard coded, it shouldn't be negotiating at all. I would check the cable.


--John

accesshollywood2 Thu, 11/20/2008 - 08:22
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Thanks John!


I asked another senior engineer the same question and he gave me the exact same answer..



I just didnt want to get too technical when i know it is going to be something simple..


I will run new cable becuase the cable at the other building is kinda old anyway...

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