Originally Posted by flyerbjorn

I've never done it myself, as I live in SYD, but some airlines (QF / JQ / VA?) have a bag drop for domestic connections right outside international arrivals. 2:20 seems fine to me. Domestic Australian operations are smooth and pretty chill. You can bring liquids through security as well. Similar to transfers in the US from international destinations, you must pick up bags at the connection point and take them through customs yourself.