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New Member

Does 2611(Not XM) support Full Duplex

This is a simple question that I cannot find documented on CCO. My tests are also inconclusive.

Configuring the Ethernet port it will take the command " full-duplex" however it does not show status in the show interface command, there is no FDX LED at port.

Can anybody confirm if they are 100% sure of answer

1 REPLY
New Member

Re: Does 2611(Not XM) support Full Duplex

I have a 2611 in my lab so I conducted a test. You are correct. There is no way to verify that the interface is either half or full duplex. I set e0/0 to full duplex and the switch port to half duplex. I did get an error CDP-4-DUPLEX_MISMATCH right away. Once I adjusted int e0/0 back to half duplex the error did not return. I repeated the test with a show controllers ethernet 0/0 and the output will tell you if the interface is in half-duplex or full-duplex.

Hope this helps.

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