Gert Doering <gert@greenie.muc.de> wrote: > case $TTY in > /dev/ttyE01) REM_IP=1.1.1.1 ;; > /dev/ttyE02) REM_IP=1.1.1.2 ;; > /dev/ttyE03) REM_IP=1.1.1.3 ;; > /dev/ttyE04) REM_IP=1.1.1.4 ;; > esac Yes, that's interesting. However, I personnally prefer to assign a *fixed* address per *user* (chap user). But this is really a question of taste.