Sup 720 port 2 / SFP vs. TX

Unanswered Question
Jul 14th, 2004

Is there anything to configure on the Sup 720 to use

port 2 as TX (RJ45) instead the SFP port ?

Thanks, Wolfgang

I have this problem too.
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robertcrabbe Thu, 09/30/2004 - 12:44

Is this port supposed to support full duplex? I'm running 8.3(3) and I get an error saying that full duplex isn't supported on this port. When I do a show port capabilites, it says that only half duplex is supported. Is there something I'm missing?

prkrishn Thu, 09/30/2004 - 13:23

There is an internal bug for this issue

CSCef54418

Sup720 uplink 5/2 failed to set duplex with 10/100 speed.

Fix will be in 8.4(x) expected during end of October

robertcrabbe Thu, 09/30/2004 - 15:59

Thanks! That's exactly what I was looking for. I appreciate the detailed, fast response.

jbiederstedt Tue, 10/05/2004 - 05:22

I've got two 6509's running 8.3(3) connected via the Sup720 5/2 ports, both set as media type RJ45. One is forced to full/1000, and the other is set to auto/auto. The full/1000 side is running full/1000, and the auto/auto side is running a-full/a-1gb. Showing port capabilities does report each port as only capable of half duplex. Is the 'show port' command incorrectly reporting the ports running at full duplex?

prkrishn Wed, 10/13/2004 - 07:46

Thats part of the problem. It can do full duplex but reports it can do half duplex in sh port capabilities.

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Posted July 14, 2004 at 8:30 AM
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