http://rentals.nuclearfallout.net/rent. ... nt=faq-lag
as for lan config, the 25000 will only work when the server is enabled to set the max at 25000
as for the modem config, cs is defaulted at 20, not 35.
while Im playing on the internet, i use 40's and 9999, 9999 is the max most likely
its all in the link above.