-IFNAME=$(nvram get ${type}_device)
-USERNAME=$(nvram get ppp_username)
-PASSWORD=$(nvram get ppp_passwd)
-KEEPALIVE=$(nvram get ppp_redialperiod)
-KEEPALIVE=${KEEPALIVE:+lcp-echo-interval 10 lcp-echo-failure $KEEPALIVE}
-DEMAND=$(nvram get ppp_demand)
-case "$DEMAND" in
+eval "IFNAME=\"\${${type}_device}\""
+KEEPALIVE=${ppp_redialperiod:+lcp-echo-interval $ppp_redialperiod lcp-echo-failure 5}
+case "$ppp_demand" in