sG Sunrise

Hello together I am going to organise a Lan Party with around 30 People after the release from Halo 5 . Does anyyone know if we need to play Online while we sit next to each other because of Lan problemes coming with the game of halo 5 . Or are there even any problems with playing halo 5 on Lan . I am just asking because if so many people are coming and there is no Lan or even multiplayer Support i am fuxxxxxxt