Hi, On Fri, Apr 15, 2011 at 01:44:03PM -0700, quinn snyder wrote: > testing in my lab now -- simple back to back copper over glc-t between > n5020 running 4.2(1)n2(1) and asr1002 running 3.1.0s
Thanks for testing, but I'm afraid this won't bring new information -
copper GE and fiber GE is significantly different here, and as far as
I understand, there is no way to run GE copper without negotiation
(both ends need to agree who is PHY master and slave, and sort out the
wire pairs).
So it might disable negotiation of flow control and such, and might
show the link as "always up", but the PHY will still negotiate.
[..]
> interface Ethernet1/1
> speed 1000
We (the customer) had that, but that wasn't sufficient. But if that
indeed disables link negotiation for fiber SFPs, we had some other
problem...
In any case: thanks for the suggestions so far!
gert
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