In order to post new topics, reply to topics, or give kudos in the Meraki Community, you need to sign up and create a community profile. This community profile separate from the Go account that you use to sign in to the app.
To do this:
Click Register or Sign in in the upper-right corner of this page.
If you have a Cisco account already (sometimes known as "CCO"), you can sign in. Otherwise, register for a new account.
Come back to this page (cs.co/gocommunity) and create your community display name (You may have to click "Register or Sign in" again).