-IFNAME=$(nvram get pppoe_ifname)
-USERNAME=$(nvram get ppp_username)
-PASSWORD=$(nvram get ppp_passwd)
-REDIAL=$(nvram get ppp_redialperiod)
-REDIAL=${REDIAL:+holdoff $REDIAL}
-IDLETIME=$(nvram get ppp_idletime)
-IDLETIME=${IDLETIME:+idle $IDLETIME}
-MTU=$(nvram get ppp_mtu)
+(
+ while true; do
+ IFNAME=$(nvram get pppoe_ifname)
+ USERNAME=$(nvram get ppp_username)
+ PASSWORD=$(nvram get ppp_passwd)
+ REDIAL=$(nvram get ppp_redialperiod)
+ REDIAL=${REDIAL:+holdoff $REDIAL}
+ IDLETIME=$(nvram get ppp_idletime)
+ IDLETIME=${IDLETIME:+idle $IDLETIME}
+ MTU=$(nvram get ppp_mtu)