Device Explorer
Click on a device to learn about it
Layer 1 Devices
Hub
Repeater
Media Converter
Layer 2 Devices
Switch
Bridge
NIC
Access Point
Layer 3 Devices
Router
Layer 3 Switch
Firewall
Layer 4-7 Devices
Load Balancer
Proxy Server
IDS/IPS
OSI Layer Device Mapping
Click on a layer to see which devices operate there
Layer 7
Application
Application
Layer 6
Presentation
Presentation
Layer 5
Session
Session
Layer 4
Transport
Transport
Layer 3
Network
Network
Layer 2
Data Link
Data Link
Layer 1
Physical
Physical
Collision & Broadcast Domains
See how different devices affect network domains
Collision Domain
Broadcast Domain