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Posted by chris on April 27, 2007, 9:36 am
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Greetings!
I'm looking for information about the mechanism by which copper
Gigabit transceivers fall back to 100Mb/s operation when:
a) they're linking to a 100Base TX transceiver
b) they're linking to another gig trasceiver, but don't have all 4
pairs connected
Can anyone point me to an explanation?
...and related to that: Is there a way to see into this mechanism in
a Cisco switch?
I'm hoping for something like the Solaris 'lp_XXX_cap' parameters that
might tell me about my link partner, and the number of pairs detected.
Thanks!
/chris
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