Deploy script change IP without restarting router on Raspberry

Job ID: 31779122

Budget: $30 – $250 USD

I need someone expert in Python and routing and can help me to solve this.

The task is I need to change my ip (pppoe) without restarting the router

Here the tutorial on Chineese version:
https://www.92ez.com/?action=show&id=23447

It will require to deploy the script into a Raspberry and leave it working fine together with the router.