According to your description, you want to realize that configuring different RLS on different pages, RLS will directly filter the dataset, and if the data of two pages are related, it will be affected by the filter.
Official Documentation link: Row-level security (RLS) with Power BI - Power BI | Microsoft Learn
If possible, you can create a separate table in page1 without any relationship and then you will not be affected by RLS.
More information about RLS can be found at the following link:
https://docs.microsoft.com/en-us/power-bi/guidance/relationships-bidirectional-filtering
https://docs.microsoft.com/en-us/power-bi/guidance/rls-guidance
Related Link: Solved: How to use RLS on one page and NO RLS on the anoth... - Microsoft Fabric Community
Best Regards,
Yang
Community Support Team
If there is any post helps, then please consider Accept it as the solution to help the other members find it more quickly.
If I misunderstand your needs or you still have problems on it, please feel free to let us know. Thanks a lot!
How to get your questions answered quickly -- How to provide sample data in the Power BI Forum
