Advanced Networking      Devices     Chapter 12
Objectives• Discuss the four logical topologies as  defined by CompTIA• Configure and deploy VLANs• Implement advanced swi...
• Home Routers-Really two devices in one  – Four-port switch  – Router• The combination is more than the individual  parts...
• Logical Network Topologies goes beyond the  description of either physical or signaling  topologies  – Another term (bey...
• Client/Server  – Earliest networks used this model  – Certain systems acted as “dedicated” servers     • iDedicated mean...
• Peer-to-Peer  – Microsoft’s first versions of network-capable    Windows introduced this model  – Any system acts as a s...
• Client/Server and Peer-to-Peer Today   – Peer-to-peer has been adopted by every modern      operating system       • Win...
• VPN  – Originally remote connections were very    expensive  – Telephone connections for single system    connection to ...
• VLAN  – Virtual Local Area Network (VLAN)  – Used by all but smallest LANs  – Remote incoming connections  – Public Web ...
• Trunking  – Process of transferring VLAN data between two    or more switches  – Port on each switch configured as a tru...
• Quality of service (QoS)  – Controls bandwidth use for certain devices and    applications  – Rules-based polices priori...
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Networking Chapter 12

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Networking Chapter 12

  1. 1. Advanced Networking Devices Chapter 12
  2. 2. Objectives• Discuss the four logical topologies as defined by CompTIA• Configure and deploy VLANs• Implement advanced switch features
  3. 3. • Home Routers-Really two devices in one – Four-port switch – Router• The combination is more than the individual parts. The home router becomes an advanced device. Works at multiple layers of the OSI seven-layer model
  4. 4. • Logical Network Topologies goes beyond the description of either physical or signaling topologies – Another term (beyond CompTIA) is “software architecture model” – Terms refer to the role computers play in a network • Which computers act as servers • Which computers act as clients
  5. 5. • Client/Server – Earliest networks used this model – Certain systems acted as “dedicated” servers • iDedicated means serving was all they did • Offered up files, folders, Web pages, etc – Client systems never functioned as servers • Clients could only see the server • Clients could not see other clients • Could only share data with each other by sharing on the server
  6. 6. • Peer-to-Peer – Microsoft’s first versions of network-capable Windows introduced this model – Any system acts as a server, a client, or both – Depends on configuration – PCs tend to be configured as both clients and servers
  7. 7. • Client/Server and Peer-to-Peer Today – Peer-to-peer has been adopted by every modern operating system • Windows • Linux • Macintosh• Newer implementations offer more robust security – User accounts – More advanced permissions – CompTIA tests on classic client/server and peer-to-peer
  8. 8. • VPN – Originally remote connections were very expensive – Telephone connections for single system connection to a LAN – Dedicated private connections (also from the phone companies) to connect LAN to LAN.
  9. 9. • VLAN – Virtual Local Area Network (VLAN) – Used by all but smallest LANs – Remote incoming connections – Public Web or e-mail servers – Wireless networks – String of connected switches – Tremendous amount of traffic – Security issues
  10. 10. • Trunking – Process of transferring VLAN data between two or more switches – Port on each switch configured as a trunk port
  11. 11. • Quality of service (QoS) – Controls bandwidth use for certain devices and applications – Rules-based polices prioritize traffic • Control bandwidth to specific – Protocol – PC – VLAN – IP address

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