to be always online, install the script /etc/ppp/ip-down.d/99-max_always-online:
#!/bin/sh # /etc/ppp/ip-down.d/99-max_always-online: # # this script immediately re-dials the connection after it has been torn down. # If pppconfig or isdnctrl have been removed we are not supposed to do anything. test -f /usr/sbin/pppconfig || exit 1 test -f /usr/sbin/isdnctrl || exit 1 /usr/sbin/isdnctrl dial ippp0