Hey @BSD54 ,     As others have stated, it would be best to know what your source IP address of the pings will be as well as the destination IP you are trying to ping. I agree with @ww in that it would be best to double check and confirm you have a return route from your upstream router to the downstream subnet you are pinging from.  ... View more

Just to clarify, it's because you are creating a L3 VLAN, because of that you need to create a default route. I sent you a few links to read, you just need to trust us. ... View more

Is this question about converting a Catalyst switch to Meraki or just recreating a similar config on a Meraki switch that you have or had on a Catalyst switch?   If it's the latter then it's important to understand the key difference with a cloud managed Meraki switch vs. a Catalyst or other non cloud managed switch. A Meraki switch requires a management IP to communicate with dashboard. Think of it like a simple client with a unique IP that talks to dashboard. This mgmt IP can be on a native or tagged VLAN.   A Meraki switch can also have layer 3 IPs for local VLANs if it's performing routing or DHCP relay functions. Layer 2 VLANs don't require any special config on a Meraki switch like a VLAN database or anything. A trunk port on a Meraki switch assumes it can carry any VLAN 1-4094. ... View more