Minilogin
i just finished setting up my own lil server and now enjoy playing offline its great fun
and i beleave it can be set up over a lan too
Goto
EQEMulator View topic - HOWTO Set up a Minilogin server (Local Server)
http://www.eqemulator.net/forums/viewtopic.php?t=12644
also read
EQEMulator View topic - HOWTO Setup a server with EQEmu 5.X
http://www.eqemulator.net/forums/viewtopic.php?t=11423
I used those 2 tutorials and it goes great