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Hub Switch
Layer Physical layer. Hubs are classified as Layer 1 devices per the OSI model. Data Link Layer. Network switches operate at Layer 2 of the OSI model.
Ports 4/12 ports Switch is multi port Bridge. 24/48 ports
Device Type Passive Device (Without Software) Active Device (With Software) & Networking device
Data Transmission form Electrical signal or bits Frame (L2 Switch) Frame & Packet (L3 switch)
Function To connect a network of personal computers together, they can be joined through a central hub. Allow to connect multiple device and port can be manage, Vlan can create security also can apply
Transmission Type Hubs always perform frame flooding; may be unicast, multicast or broadcast First broadcast; then unicast & multicast as needed.
Used in (LAN, MAN, WAN) LAN LAN
Table A network hub cannot learn or store MAC address. Switches use content accessible memory CAM table which is typically accessed by ASIC (Application Specific integrated chips).
Transmission Mode Half duplex Half/Full duplex
Broadcast Domain Hub has one Broadcast Domain. Switch has one broadcast domain [unless VLAN implemented]
Definition An electronic device that connects many network device together so that devices can exchange data A network switch is a computer networking device that is used to connect many devices together on a computer network. A switch is considered more advanced than a hub because a switch will on send msg to device that needs or request it
Spanning-Tree No Spanning-Tree Many Spanning-tree Possible
Collisions Collisions occur commonly in setups using hubs. No collisions occur in a full-duplex switch.
Weitere Leistungsmerkmale:
Auto negotiation:
Spanning tree:
Link Aggregation:
Buffer Size :
Backplane :
VLAN:
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