During a one-month period, contributed to the LabNConsulting/frr repository by refactoring flag manipulation logic within the bgp_label.c module. The work focused on replacing direct bitwise OR operations with the standardized SET_FLAG macro, using C programming and code refactoring skills to enhance maintainability and readability. This approach preserved all external behavior while aligning the codebase with internal standards for flag handling, reducing future maintenance risks. The changes laid a foundation for easier debugging and future feature development related to BGP label processing, demonstrating a methodical focus on maintainability and internal code quality without introducing new bugs or regressions.