Unmanaged Switches
INTERESTED IN A PURCHASE?
Frequently Asked Questions
What is an unmanaged Ethernet switch?
An unmanaged Ethernet switch is a basic plug-and-play device that connects multiple devices in a local network without requiring configuration. Key characteristics:
- No configuration required;
- No management interface (no web UI or CLI);
- No IP address in most cases;
- Basic traffic forwarding using MAC addresses;
- Lower cost than managed switches.
They are best suited for simple, low-risk network environments.
When should I use an unmanaged Ethernet switch?
An unmanaged Ethernet switch should be used when simple network expansion is required without advanced configuration or monitoring. Typical use cases:
- Home networks connecting TVs, consoles, PCs, or printers;
- Expanding Ethernet ports from a broadband router;
- Small offices with flat network design;
- PoE-powered cameras, access points, or VoIP phones (without traffic control);
- Temporary installations or lab environments;
- Simple machine-level industrial networks.
They are ideal when VLANs, QoS, and remote management are not needed.
Are unmanaged Ethernet switches reliable for industrial networks?
Unmanaged switches can be reliable in industrial networks, but only in simple and controlled environments. When suitable:
- Small machine-level networks (e.g. PLC to I/O communication);
- Physically isolated networks;
- Low and predictable traffic;
- Situations requiring quick hardware replacement.
Industrial-grade unmanaged switches with extended temperature ratings can operate reliably for years.
What are the limitations of unmanaged Ethernet switches in industrial environments?
Unmanaged switches lack advanced control, monitoring, and redundancy features required in larger industrial networks. Key limitations:
- No VLAN support;
- No QoS traffic prioritisation;
- No redundancy protocols (e.g. RSTP);
- No monitoring or diagnostics;
- No multicast traffic control (e.g. IGMP snooping).
In multicast-heavy or expanding networks, performance may degrade.
What is the difference between managed and unmanaged industrial Ethernet switches?
The difference lies in control, monitoring, and scalability. Main differences:
- Managed switches offer configuration and monitoring;
- Support VLANs, QoS, and redundancy protocols;
- Enable remote management and diagnostics.
Unmanaged switches provide basic plug-and-play connectivity.