This will be the problem. ... View more

Thanks everyone, using VLANs instead of subnet CIDR did the trick after waiting 20 odd mins. L3 interfaces are setup on the MX and I was pinging devices on the subnets not the L3 interfaces.  ... View more

Okay thanks. You confirms to me that I'm unable to upgrade a single switch-stack on my own and stop the job here. It was also only for test purpose. I will of cause prefer to have all switches on the same firmware. Otherwise Meraki Support has to be involved. - Thanks again. 🙂 ... View more

I don't think so unfortunately. 3rd Party VPN is kinda limited, I'm trying to avoid it as much as I can. ... View more

We have got MA-SFP-10GB-SR SFP but it is not fitting properly in Meraki MX250 firewall WAN port which is SFP+ port. Also when we connect MA-SFP-1GB-TX it it fitting properly and also working. So could you please confirm whether the MA-SFP-10GB-SR SFP is compatible with SFP+ port of firewall. ... View more