Aiming at the current teaching situation of computer network courses, BOPPPS teaching mode is introduced to carry out
teaching reform and practice. Take the "Ethernet Access and Security" section as an example, combined with intelligent teaching
tools, this paper uses BOPPPS model to carry out modular teaching design for the course content, guide students to actively carry
out participatory learning and exploration, improve students' learning initiative, and realize the diversified teaching objectives of
knowledge, ability and quality.