Chapter 8 Networking Computers with Switches

Chapter 8 Overview Connecting multiple computers Understanding physical ports Comparing hubs and switches Comparing managed and unmanaged switches Exploring switch speeds Understanding security options 2

Connecting Multiple Computers Using switches to connect computers 3

Understanding Physical Ports Cables plug into ports 4

Understanding Physical Ports Number and type of ports Form factor switch Set number of ports Modular switch Expandable with additional modules 5

Understanding Physical Ports Identifying ports in drawings E0 (10 Mbps), F0 (100 Mbps), G0 (1Gbps) 6

Comparing Hubs and Switches Understanding Collision Domains CSMA/CD 7

Comparing Hubs and Switches Collision domain with a hub 8

Comparing Hubs and Switches Collision domains with a switch 9

Comparing Hubs and Switches Mapping ports to MAC addresses 10

Comparing Managed and Unmanaged Switches Very little administration Managed switches Can be configured MAC table Duplex settings SNMP VLAN Port mirroring 11

Comparing Managed and Unmanaged Switches Comparing layer 2 and layer 3 switches Layer 2 switch Segments collision domains Layer 3 switch Can function as a router 12

Comparing Managed and Unmanaged Switches Before creating a VLAN 13

Comparing Managed and Unmanaged Switches Creating a VLAN 14

Comparing Managed and Unmanaged Switches After creating a VLAN 15

Comparing Managed and Unmanaged Switches Multiple switches connecting different departments 16

Exploring Switch Speeds Rated in Mbps or Gbps 17

Exploring Switch Speeds Identifying transmission speeds Understanding uplink port Identifying backplane speed 18

Understanding Security Options Protect with physical security Manage passwords Use a secure protocol Use SNMP version 3 19

Understanding Security Options Consider port security Consider hardware redundancy 20

Chapter 8 Summary Connecting multiple computers Understanding physical ports Comparing hubs and switches Comparing managed and unmanaged switches Exploring switch speeds Understanding security options 21