How do you configure a dev environment with Vagrant?

I'm making the transition to Vagrant, and I've got my server running fine. However, I can't figure out how to set the dev environment. Adding the URL I use in the browser (http://10.10.10.108:8080/) isn't working.

_environments:
  dev:
    - 'http://10.10.10.108'
    - 'http://10.10.10.108:8080'
    - 'http://localhost*'
    - '*.dev'
    - '*.localip'
  live:
    - '*.com'