Shop

Cisco C-SM-16P4M2X= is a Catalyst 8000 / ISR-series EtherSwitch service module designed to provide integrated Layer 2 switching capabilities inside Cisco router platforms. It delivers a mix of Ethernet ports (including 1G RJ-45, multi-gig 2.5G, and SFP uplink options depending on configuration), enabling it to act as an embedded access switch within a router chassis.

This module is built for enterprise branch deployments where organizations want to combine routing and switching in a single device. It supports advanced Layer 2 features such as VLAN segmentation, trunking, QoS, port security, and PoE/PoE+ (on copper ports depending on model variant). It also integrates tightly with the host router’s backplane for high-speed internal forwarding.

The module is commonly used in Cisco Catalyst 8300/8500 edge architectures to simplify branch networks, reduce hardware footprint, and provide centralized management of routing + switching in one platform. It is ideal for enterprise branch offices, SD-WAN edge deployments, and converged network designs where space and power efficiency are important.