Make a curl request using a new pppoe connection (this allows you to make requests using many different IPs without dropping your internet connection)

openwrt_curl_second_pppoe.sh

#!/bin/sh

url="http://api.ipify.org/"
user="pppoeuser"
pass="pppoepwd"
nic="dsl0.835"
name="wan100"

echo "Starting new pppoe connection"
/usr/sbin/pppd updetach ipparam $name ifname pppoe-$name user $user password $pass lcp-echo-interval 86400 lcp-echo-failure 1024 lcp-echo-adaptive +ipv6 set AUTOIPV6=1 set PEERDNS=0 nodefaultroute usepeerdns maxfail 1 ip-up-script /lib/netifd/ppp-up ipv6-up-script /lib/netifd/ppp6-up ip-down-script /lib/netifd/ppp-down ipv6-down-script /lib/netifd/ppp-down mtu 1492 mru 1492 plugin rp-pppoe.so nic-$nic

if [ -f /var/run/pppoe-$name.pid ]
then
    echo "Connection OK"

    echo $(curl "$url" -s --interface pppoe-$name) 
    
    echo "Closing connection"
    kill $(cat /var/run/pppoe-$name.pid)
else
    echo "Connection error!"
fi