We had two German Shepherd Dogs when we got our first RV in 2007, and have had two dogs every since. Having big dogs in an RV is no different than having big dogs in apartments. You have a responsibility to get them out and exercise them far more than if you have big dogs in a huge house with a massive yard. It is not big dogs that are a problem. It is irresponsible owners who don't properly care for big dogs who are a problem. Here is a photo taken on our first RV trip. If you want, I can post a photo of them in the RV cab with me.
In 12 years of RV'ing, we have come across exactly ONE campground that banned German Shepherd Dogs. Since ours were not black and tan, they didn't realize they were German Shepherd Dogs.
DW told me to come back and add that having a German Shepherd Dog in your RV means never having to deadbolt the door.
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