Hi @Sandeepa, firstly hello and welcome.
Is the MX registered out to the Meraki cloud?
I’m going to make some assumptions here but I assume that you’ve configured your VLANs and ip subnets on the MX? You have a trunk port configure on the MX which is connect to a trunk port on the switch? On the switch you have configured the ports in their respective VLANs?
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.