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3750 interface drops on LES100 circuit after 5 minutes

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Motney

Technical User
Mar 4, 2007
2
GB
Hi Forum

Has anyone come across connection problems with a Cisco 3750 onto a LES circuit...? Mine connects and I can ping the far end of the LES circuit then after exactly 5 minutes the interface goes down/up says it's connected again with line protocol up but I am unable to see the far end again. To re-establish I have to remove cable, replug in and wait for connection to establish. It's as if there is some configuration issue with the switch, it's been tried with no config (fact default) and the same occurs.. STP has been disabled also to no avail...Any ideas.....?
 
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