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Connecting cable between cisco catalyst 2960 switch and Cisco 2811 router

Posted on 2010-09-16
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Last Modified: 2012-05-10
Hi there,
I just replaced the cable to cat 6 connecting my cisco 2811 router and Cisco 2960 switch and when I check the port status in IE for the switch port status it shows 'port has faulty link, speed 100mbps, Duplex half'.
Am I using a wrong cable?
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Question by:amanzoor
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by:kf4zmt
ID: 33694285
What kind of cable is it?

Are the ports configured to a certain speed & duplex or are they auto-negotiating?
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Expert Comment

by:GridLock137
ID: 33695421
make sure it's a straight-through cable, check the status on the interfaces on both sides. if you see it as up/up your are good, anything with a down status of course is not, check your port and interface settings, like duplex and speed, check the cable again and hot it sits in the interface your are connecting it to, make sure it clips in.

try shutting down the interface and bringing it back up by running shut command then no shut command. cat6 shouldnot matter but if you can find a cat5e try that just to eliminate that from the picture.  
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by:amanzoor
ID: 33695799
Kf4:
Its a straight through patch cable cat6, On my cisco catalyst switch the port is set to Speed=Auto and Duplex=Auto.  Do I have to change something here?
Grid:
Its straight through.
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kf4zmt earned 500 total points
ID: 33695828
Try setting the speed and duplex on both devices to:

speed 100
duplex full

Sometimes auto-negotiation doesn't work well.
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by:amanzoor
ID: 33696043
kf4:
Excellent my friend you did it.  
The port is healthy again.  I really appreciate your time.
Thanks
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by:amanzoor
ID: 33696079
Whats going on.  I did not request to close it.  I just accepted the answer.
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by:kf4zmt
ID: 33696131
I don't think amanzoor meant to schedule a close.
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by:kf4zmt
ID: 33696143
Glad that fixed it.
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