Cisco 4506

Unanswered Question
Apr 17th, 2008

Need help configuring port for full 1000. speed 1000 but duplex is set at auto. How do I change it?

I have this problem too.
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sundar.palaniappan Thu, 04/17/2008 - 19:29

I believe only full duplex is supported when speed is set to 1000 mbps. Hence, it should already be doing auto-full duplex with 1000 speed. The following CCO link seems to suggest the same.

From CCO

""Setting the Interface Duplex Mode

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Note When the interface is set to 1000 Mbps, you cannot change the duplex mode from full duplex to half duplex.

http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/25sg/configuration/guide/sw_int.html

HTH

Sundar

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