mary, I think OP just want vpn client to have a fixed ip, not a dhcp one..
shenhuitao2000
adjust the following code according to your needs..
db accounts setprop username PPTPIP 192.168.1.5
signal-event remoteaccess-update
NOTE:
- ip is a user property, so the same pc will get different ip if logging with different user
- ip must be in your lan address range