Hi @alexi1 , you have two options:
1: use the dedicated management port. Connect via Ethernet to your machine.
2: use any of the LAN ports. Your machine will get an IP via dhcp.
The username you’ll need is the serial of the MX, no password required.
Darren O'Connor | uccert.co.uk
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.