gettin dc after i hit promo

really i just play 2 matches the first was the one for my promo we won i hit promo my net is good i have everthing close i play my first match of the promo after the 20 min i was getin dc every 6 min but my net never fall down it take me 3 min to reconect really why on my promos is this happenin to every one ??