My friends and i like to play in this server but our ping are high. is ther a way to config this server locally? it is for our lan parties
Yes, do you already have a server running locally? If so, the most straightforward way to get combogib running on it is to use fragnewnet and follow the readme for the basic settings including grapple and double jump:
https://ut99.org/viewtopic.php?t=15699