Use `replacedefaultroute` in `/etc/ppp/peers/provider` instead of `sudo route add default ppp0`.

ppp_install.sh

@@ -205,10 +205,6 @@ sed -i "s/#APN/$carrierapn/" provider
 sed -i "s/#DEVICE/$devicename/" provider
 mv provider /etc/ppp/peers/provider
 
-if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
-    echo "sudo route add default ppp0" >> /etc/ppp/ip-up
-fi
-
 if [[ $shield_hat -eq 2 ]] || [[ $shield_hat -eq 6 ]]; then
 	if ! (grep -q 'max_usb_current' /boot/config.txt ); then
 		echo "max_usb_current=1" >> /boot/config.txt

ppp_install_jetson.sh

@@ -132,9 +132,5 @@ sed -i "s/#APN/$carrierapn/" provider
 sed -i "s/#DEVICE/$devicename/" provider
 mv provider /etc/ppp/peers/provider
 
-if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
-    echo "sudo route add default ppp0" >> /etc/ppp/ip-up
-fi
-
 read -p "Press ENTER key to reboot" ENTER
 reboot

ppp_install_standalone.sh

@@ -210,10 +210,6 @@ sed -i "s/#APN/$carrierapn/" provider
 sed -i "s/#DEVICE/$devicename/" provider
 mv provider /etc/ppp/peers/provider
 
-if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
-    echo "sudo route add default ppp0" >> /etc/ppp/ip-up
-fi
-
 if [[ $shield_hat -eq 2 ]] || [[ $shield_hat -eq 6 ]]; then
 	if ! (grep -q 'max_usb_current' /boot/config.txt ); then
 		echo "max_usb_current=1" >> /boot/config.txt

src/provider

@@ -13,6 +13,7 @@ persist
 debug
 # If you want to use the HSDPA link as your gateway
 defaultroute
+replacedefaultroute
 # pppd must not propose any IP address to the peer
 noipdefault
 # No ppp compression