Similar issues here. The only 1000BaseT SFPs that we've gotten to work are the Cisco branded ones. Some of the other brands/manufacturers we've used have given mixed results. In one instance we had plugged in a 10/100/1000 SFP and tried connecting it to a Cisco 3750 FE port. The FE port on the 3750 would come up but it would not come up on the 3600X side. Swapping the SFP with a Cisco branded one would resolve the issue most of the time. The 3600X has proven to be one of the more finicky switches in terms of accepting non Cisco branded SFPs.

Jose

On 9/4/2014 6:53 AM, Phil Mayers wrote:
On 03/09/2014 22:03, David Farrell wrote:
On 02/09/2014 20:10, James Bensley wrote:
I've used hundreads with no issues at all (with both insertion/removal
and actual operation).

I've had a few 1000BaseT SFPs, both Cisco-branded and otherwise, where
the wee tab mechanism has broken and the 'release' isn't pushed in to
allow the SFP to slide out. I ended up having to push the 'release'
mechanism in with a screwdriver to pop the SFP out. Had to file those
SFPs in the bin.

Likewise. The copper SFPs seem to be a bit hit and miss TBH, in terms of physical build quality and actual work-ing-ness, particular the tri-rate / autoneg style issues.

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