多级标题，内容详细说明
I. Introduction
A. Definition of modems with multiple Ethernet ports
B. Importance and benefits of modems with multiple Ethernet ports
II. Primary Features of modems with multiple Ethernet ports
A. Number of Ethernet ports
B. Ethernet port speed
C. Gigabit Ethernet support
D. VLAN support
III. Advantages of modems with multiple Ethernet ports
A. Increased connectivity options
B. Enhanced network performance
C. Simplified network architecture
D. Flexibility in network setup
IV. Use cases for modems with multiple Ethernet ports
A. Home networks
1. Sharing Internet connection with multiple devices
2. Setting up a home office network
B. Small businesses
1. Creating a local area network (LAN)
2. Simplifying network management
V. Choosing the right modem with multiple Ethernet ports
A. Consideration of required Ethernet port count
B. Assessing network speed requirements
C. Determining the need for gigabit Ethernet support
D. Evaluating VLAN support
VI. Popular modems with multiple Ethernet ports on the market
A. Model A – Features and specifications
B. Model B – Features and specifications
C. Model C – Features and specifications
VII. Conclusion
A. Recap of the importance and benefits of modems with multiple Ethernet ports
B. Final thoughts on choosing the right modem for your network needs
