Hi Tim,   Yes they swapped out all of the SFPs with Cisco replacements.  Hope you get sorted.     ... View more

Yes, Cisco replaced the SFPs (all 28 of them). No further issues so far. ... View more

This is good to know. Hopefully the support for Cisco classic devices is what it should be. ... View more

Thanks for the heads up. The funny and frustrating thing is that despite showing them this thread and submitting a video of the condition Meraki support want to swap out 1 SFP. It’s going to be a long journey to get this sorted. ... View more

Yes, thanks for coming back to me so quickly. The link will only come back after you reseat the SFPs. I can confirm that the SFP we are using is a MA-SFP-1GB-TX. We are running 14:33 but says its up to date so not sure where 15.3 is available. ... View more

Yes, this is exactly the issue we are experiencing. When reseating the SFP you also need to be careful that you don't mistakenly touch any others as their connections will drop too. ... View more