In a professional deployment context, this unit serves as a dedicated network edge bridge, handing off connectivity to an enterprise-grade firewall or SD-WAN appliance. Unlike consumer-grade gateways, the CM1200 lacks integrated Wi-Fi or routing, ensuring a clean security perimeter and allowing IT administrators to maintain granular control over the internal network architecture. A critical differentiator for B2B applications is the inclusion of four Gigabit Ethernet ports with Link Aggregation (LACP) support. This allows two physical ports to be bonded into a single logical 2Gbps pipe, providing increased headroom for high-traffic local networks. It is fully certified for major US cable internet service providers, including Comcast Xfinity, Spectrum, and Cox.

Key Features

• – DOCSIS 3.1 support for up to 10Gbps download speeds.
• – Link Aggregation bonds two ports for 2Gbps throughput.
• – Backward compatible with DOCSIS 3.0 32×8 networks.
• – Four Gigabit Ethernet ports for flexible connectivity.
• Brand Netgear
• Part Number CM1200-100NAS
• Product Type Cable Modem
• DOCSIS Version 3.1 (Backward compatible with 3.0)
• Channel Bonding 32×8 SC-QAM / 2×2 OFDM(A)
• Ethernet Ports 4 x 10/100/1000 Mbps (RJ-45)
• Link Aggregation Supported (LACP / IEEE 802.3ad)
• Max Theoretical Speed 10 Gbps (ISP plan dependent)
• Dimensions 155 x 86 x 216 mm
• Weight 0.55 kg
• Power Supply 12V / 1.5A
• IPv6 Support Yes (Dual Stack)
• Compatibility Xfinity, Cox, Spectrum (US Providers)