Network Devices

Network Devices

1. Network interface card

   • - Every device on the network has a NIC - Computers, servers, printers, router

2. Repeater

   • Receive señal, regenerate, resend

3. HUB

   • "Multi-port repeater" Traffic going in one port is repeated to every other port

4. Switches

   • Bridging done in hardware -Aplication-specific integrated circuit
   • Many ports and features - The core of an enterprise network

5. Unmanaged switches

   • Very few configuration option
   • Fixed configuration
   • Very little integration

6. Routers

   • Router traffic between IP subnets
   • Often connects diverse

7. Wireless Acces point

   • Not a wireless router
   • WAP is a bridge -Extend the wired network -

8. Firewalls

   • Filters traffic by port number
   • Can encrypt traffic into/out of the network
   • Can proxy traffic