Hi @SudipRai , is this an existing or new deployment?
I see you have 300+ devices deployed so if an upstream issue then more devices would be affected.
Are all the devices on the same subnet?
Could this be a dhcp issue with the pool not being big enough to serve all the devices?
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.