Australia should remain "extremely cautious" over calls for peacekeeping troops in Gaza as the nation sends a single liaison officer to Israel as part of Donald Trump's peace plan.

The federal government on Wednesday evening announced it had agreed to contribute a sole member of the Australian Defence Force towards a US-led co-ordination centre in Israel to support security and reconstruction efforts in Gaza.

Opposition frontbencher James Paterson said with no boots on the ground, the contribution was a "very, very modest one".

"We should be extremely cautious about the ideas proposed by some, that we should have Australian troops on the ground, that we should have a role in peacekeeping in Gaza," the Liberal senator told Sky News on Thursday.

"Hamas has re-emerged in Gaza. They've con

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