USERNAME=$(nvram get ppp_username)
PASSWORD=$(nvram get ppp_passwd)
KEEPALIVE=$(nvram get ppp_redialperiod)
-KEEPALIVE=${KEEPALIVE:+lcp-echo-interval 10 lcp-echo-failure $KEEPALIVE}
+KEEPALIVE=${KEEPALIVE:+lcp-echo-interval 1 lcp-echo-failure $KEEPALIVE}
DEMAND=$(nvram get ppp_demand)
case "$DEMAND" in
on|1|enabled)
DEMAND=$(nvram get ppp_idletime)
DEMAND=${IDLETIME:+demand idle $IDLETIME}
+ [ -f /etc/ppp/filter ] && DEMAND=${DEMAND:+precompiled-active-filter /etc/ppp/filter $DEMAND}
;;
*) DEMAND="persist";;
esac