We've got a WordPress Multisite install.
Can you mix sites that use subdomains with sites that use paths?
And, if so, are there any guides to this?
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Sign up to join this communityThe codex says you have to choose one option or the other. What might work is to choose the sub-directory option and then on your server (via cPanel or whatever control panel you have) setup some subdomains to point at those folders/urls.
I have not done any tests on this but that would be my approach.
Hope it helps!
You might see the solution on using Multi Network a plugin that will allow you to create multiple networks within your Multisite.
After you install you use the Path based Installation and if you ever need a subdomain you just create a new network with that domain.