I have only used them in C9300s (where they work fine), I have some MS130s I could try the 1Gb ones with, but I think you already have the 10Gb ones working in MS225s, so that wouldn't prove anything.  Either way as mentioned above they aren't supported in MS switches for some reason... ... View more

Hmm, I don't believe the EOS UADP 2.0 switch will receive full cloud management support since these will at some point no longer receive updates, but of course we can't be sure. I believe changes are higher that device configuration would be possible though. I believe for full cloud management you need C9500 high performance switches (UADP 3.0 chip) or at a later time the newer Silicon one chips. ... View more

I'm not sure how 17.18 handles it but in 17.15 the Meraki numbering is totally disconnected from the Cisco numbering.  So you could have switch 1 be switch 4 in IOS-XE.  In that version at least you can't renumber your switches on the Cisco side so I'm not sure how it will  handle the modification. ... View more

I have not had any usage issues, the 2x40gig QSFP and 8x10gig modules have been working fine. ... View more

Here is all the steps: https://documentation.meraki.com/MS/Stacking/Switch_Stacks#Adding_a_new_member_to_the_stack ... View more

Moderator note: Marking @GreenMan's reply as the solution to this thread as it seems to answer the question. @GL you can un-mark it as the solution if you need more details. ... View more

The MT12 leak detector might work.   It presumably works by sensing the change in current through the sensor cable, so I'd think you could use it as an open/closed detector. ... View more