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Cisco’s industrial IoT routing and switching portfolio provides network connectivity for operational technology (OT)—including industrial control equipment and remote sites—not simply consumer IoT devices. Industrial switches typically connect local equipment; industrial routers connect networks and provide WAN access. Choosing between them, or combining them, depends on the site’s ports, routing, environmental, protocol, redundancy, and WAN requirements.
How industrial switches and routers fit together
A switch connects devices within a local network, such as sensors, programmable logic controllers (PLCs), and remote terminal units (RTUs). Depending on the model and configuration, it may provide Layer 2 connectivity or perform some Layer 3 routing. A router forwards traffic between networks, such as between an industrial site and a remote operations network.
A typical design might connect OT equipment to industrial access switches, use VLANs or other segmentation where the design requires them, and route between subnets or sites at an appropriate Layer 3 boundary. Remote sites may also need resilient WAN links. This is a general architecture pattern, not a prescribed Cisco topology or a claim that one product suits every link.
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The roles can overlap in a single device. Cisco says the IR1101’s Gigabit Ethernet WAN interface can be configured for Layer 3 routing or Layer 2 switching. Confirm the intended interface role and supported configuration in the documentation for the specific model and software release.
#1 Best Overall
Cisco industrial products as examples
Catalyst IE3300 industrial Ethernet switches
The IE3300 is a rugged industrial switch family. Cisco lists the IE-3300-8T2S with eight Gigabit Ethernet copper ports and two Gigabit Ethernet SFP ports, with expansion up to 26 ports and Layer 3 routing protocols. Those figures describe the named model and family capabilities; they should not be read as a specification for every IE3300 configuration. See Cisco’s IE3300 product information.
Cisco’s IE3300 data sheet lists inter-VLAN and static routing, QoS, IPv6 capabilities, and industrial Ethernet protocol support including CIP Ethernet/IP and PROFINET. It also describes redundancy options including REP and PROFINET MRP. Availability can depend on the exact model, ports, and software release, so validate a required feature against the model-specific data sheet, configuration guide, and release notes rather than relying on family-level marketing language. Cisco’s IE3300 support documentation is the place to check current platform and release materials.
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- Connectivity: USB Type A to USB Micro-B cable for seamless connection between compatible devices
- Cable Length: 2 M long, providing ample reach for convenient placement
- Compatibility 1: Designed specifically for Cisco Catalyst 9200CX, IR1821, IR1831, IR1833, IR1835
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- Plug and Play: Easy to set up and use, no additional software required
Catalyst IR1101 Rugged Series Router
The IR1101 illustrates a modular industrial router for remote assets and WAN edges. Cisco’s data sheet describes Ethernet and cellular WAN choices and WAN diversity. Module compatibility, carrier certification, carrier availability, and software support are deployment-specific; verify these with the current product documentation and local carrier before designing around a cellular connection. Cisco’s IR1101 data sheet was updated July 2, 2026.
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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteRadio-Aware Routing
Cisco’s IOS XE 17.8.1 release documentation describes Radio-Aware Routing (RAR) as a mechanism that lets radios interact with OSPFv3 to signal the appearance, disappearance, and link conditions of one-hop routing neighbors. Cisco presents it as relevant to mobile networks where radio neighbors can be intermittent. RAR is a release- and platform-dependent capability, not a general feature to assume across Cisco industrial routers; check the documentation for the exact platform and IOS XE release. See Cisco’s RAR documentation.
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Where industrial routing and switching are used
Cisco identifies utility field-area networks and substation automation as use contexts for its industrial networking portfolio. These examples help explain why a deployment may need rugged equipment, redundancy, industrial protocol support, or connectivity to remote sites. They do not establish that a particular product or configuration is approved for a specific utility, safety function, or regulatory jurisdiction. Site engineering and compliance review remain necessary. See Cisco’s industrial IoT solutions overview.
How to choose equipment for an industrial network
Start with the network requirements and site constraints rather than the product name. Compare the following for each candidate design:
Rank #4
- Aggregate Throughput: 100 Mbps to 300 Mbps
- Total onboard WAN or LAN 10/100/1000 ports: 3
- RJ-45-based ports: 2
- SFP-based ports: 2
- Enhanced service-module (SM-X) slot: 1
- Role: Determine whether the device needs to provide Layer 2 access or aggregation, routed access, WAN-edge routing, or a combination.
- Interfaces: Count copper and fiber ports, check SFP speeds and uplink needs, establish whether PoE is required, and identify cellular options or expansion slots where relevant.
- Industrial fit: Confirm environmental limits, mounting and power requirements, required automation protocols, and any timing or ring-redundancy needs.
- Routing: Identify whether static routes or dynamic protocols are required, along with IPv6, multicast, or scale needs. Verify release support and any applicable licensing in the product documentation.
- Operations and security: Define management, segmentation, access-control, and monitoring requirements; check lifecycle and support information for the selected platform.
- Deployment constraints: Account for location, carrier coverage, certification requirements, installation conditions, and maintenance needs.
For example, a local OT network with many copper-connected assets and industrial protocol requirements calls for close attention to switch port count, uplinks, and model-specific protocol support. A remote site that must reach central systems over Ethernet or cellular WAN calls for a router and verified WAN and carrier compatibility. A mixed design may use both; the boundary between them should follow the site’s segmentation and routing plan.
Published product specifications establish capabilities, not outcomes such as improved uptime or a quantified return on investment. Cisco’s portfolio examples are not a substitute for a site-specific topology, security assessment, or regulatory review.
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Documentation to verify before deployment
Industrial networking features can vary by model, interface, and software release. Before selecting or configuring a device, verify the precise model’s data sheet, the configuration guide and release notes for the intended IOS XE release, supported modules, and any required carrier or jurisdictional approvals. Cisco’s IE3300 support index lists configuration guides updated through 2026; consult the current documents for the release you plan to run.
Quick Recap
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