Quake 3 just locks up after 40 seconds on the net

[MKJ]

it's in the link obsidian posted earlier;

The last few lines of this example set up a simple map rotation:

set d1 "map q3dm1 ; set nextmap vstr d2"
set d2 "map q3dm2 ; set nextmap vstr d3"
set d3 "map q3dm3 ; set nextmap vstr d1"
vstr d1