Hi @Ash24   Looks like others have already posted answers. Unfortunately, the functionality of the port cannot be changed (i.e. from LAN to WAN). Hence, you would need to purchase SFP's for WAN uplinks on MX250.   For your reference, I have attached a KB here: Small-Form Factor Pluggable (SFP) and Stacking Accessories ... View more

Thank you! I will study more on this ... View more

Yes, advanced adds intrusion prevention etc. which is a good idea for internet facing devices and SD-WAN+ has great extras if the site uses a lot of SaaS services from the cloud. ... View more