Example of ppp profile on-up script for a pppoe-client interface

ppp-profile-on-up.rsc

{
    :do {
        :log info ("ppp on-up script for interface id: " . $interface . " Started" );
        
        :local interfaceName [/interface/get $interface name];

        :log info ("ppp on-up script for interface name: " . $interfaceName . " Started" );

        :local routingTable "WAN1";
        :local routingTable "WAN2";
        :local routingTable "LTE1";
        :local routingTable "LTE2";

        :set routingTable "WAN2";
        
        :local routingTableCount [/routing/table/print count-only where name="$routingTable"];

        :if ($routingTableCount = 0) do={
            /routing/table/add name="$routingTable" fib;
        }

        :local count [/ip/route/print count-only where comment="$routingTable" and routing-table=$routingTable];

        :log info ("ppp on-up script for interface: " . $interfaceName . " step 1" );

        :if ($count = 0) do={
            :log info ("ppp on-up script for interface: " . $interfaceName . " step 2" );
            /ip/route/add dst-address=0.0.0.0/0 gateway=$interfaceName comment="$routingTable" routing-table=$routingTable;
        } else={
            :log info ("ppp on-up script for interface: " . $interfaceName . " step 3" );
            :if ($count = 1) do={
                
                :local test [/ip/route/find where comment="$routingTable" and routing-table="$routingTable" and dst-address=0.0.0.0/0 ];
                :if ([/ip/route/get $test gateway] != "$interfaceName") do={
                    /ip/route/set $test gateway=$interfaceName;
                } else={
                    :log info "Multiple routes found for $routingTable";
                }
            }
        }

        :log info ("ppp on-up script for interface: " . $interfaceName . " finished Succesfuly" );
    } on-error={
        :log info ("ppp on-up script for interface: " . $interfaceName . " had an error" );
    }
}