Oral Apostolic Traditions?

In the New Testament teaching from other authorities is also tested by Scripture. This is why the Bereans called Noble in Acts 17. The question then arises, if the Bible is the inspired word of God, what other rule of faith exists for the church that is comparable to that? Some posit oral apostolic traditions. Who in this room can tell us which are genuine oral apostolic tradition already in the second century vigorous disagreements emerge about a simple and factual matter like Easter?