Hi @Mayurf5techno , how big/complex is your network? If you simply want to create a larger subnet then do just that.
- create your new subnet/vlan
- move your devices/switchports into this new vlan
- delete the old VLANs
Process is much easier if your devices are getting IPs via DHCP
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.