Canadian police have set up a reception center on their side of the border.
They are preparing a place for tents that can hold nearly 500 people.
The City of Montreal said recently between 250 and 300 people were crossing the Canada-United States border to seek asylum every day, up from 50 per day in the first half of July. Quebec has opened its Olympic Stadium, a former hospital and a school among other places to house people. "The Canadian Armed Forces will have no role in security matters", Mr. Le Bouthillier said in an email.
There are now about 700 asylum seekers waiting to be processed, many of them Haitians who were allowed into the United States under temporary protection status after a massive natural disaster struck that country in 2010.More news: Inter try to end Man United's Ivan Perisic hopes
Mr. Le Bouthillier said most of the soldiers will return to base once the camp is set up.
Heated tents will accommodate up to 500 people as Canadian border officials process mainly Haitians walking into Canada from the United States.
Numerous arrivals are being housed in Montreal at the Olympic Stadium.
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Representatives from the Quebec immigration, labour and education ministries will give an update about the ongoing response to the influx of asylum seekers crossing illegally from the U.S.
Asylum seekers wait to be processed at the Canada Border Services Agency office in Lacolle, Que., Friday, August 4, 2017.
Numerous recent refugee claimants crossing into Quebec are Haitians who have been living in America for years but now face deportation.
Many of those who have arrived are originally from Haiti and fear being sent back to that country should US President Donald Trump end a program that granted them temporary protected status following the massive 2010 natural disaster that devastated Haiti.More news: New 9/11 victim identified, almost 16 years later