Chris Ma developed a new network topology configuration for simulation within the sonic-net/sonic-mgmt repository, focusing on architecture-specific virtual machine definitions and network interfaces. Leveraging Ansible, YAML scripting, and Jinja2 templating, Chris enabled scalable and reproducible network simulations by modeling VMs and their properties in a template-driven manner. This approach allows for easier adaptation to future architectures while improving test throughput and validation. The work emphasized maintainability and collaboration through clear commit practices and code hygiene. Over the month, Chris delivered this feature with high code quality, addressing simulation needs without reported bugs, and demonstrating depth in network configuration engineering.