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New Member

eo line up /protocol down help please

i have a cisco router with my int e0 saying line up /protocol down ..could someone please help me diagnose the problem i have know idea where to start when i clear counters i have an increase in lost carrier and packets output

2 REPLIES
Cisco Employee

Re: eo line up /protocol down help please

Hi Friend,

I doubt about physical connectovity so check if a loose cable or check if it is connected cabling is fine?

What is the device to which this interface is connected to and what is the status of the interface of neighbor device?

Regards,

Ankur

New Member

Re: eo line up /protocol down help please

Check to make sure the speed and duplex is set correctly on both devices. Your e0 interface is probably a 10Mb half-duplex connection. Your other device may be trying to transmit at 100Mb full-duplex. If you have to, I would hard code the speed and duplex on both devices.

Regards

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