Planning and Cabling Networks Network Fundamentals – Chapter 10 ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 1 Requirements to make a LAN Connection Select the appropriate hardware, including the cabling, to install several computers together in a LAN ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 2 Requirements to make a LAN Connection To identify some key aspects of the devices they will be employing in a LAN ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 3 Requirements to make a LAN Connection ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 4 Requirements to make a LAN Connection ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 5 Requirements to make a LAN Connection ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 6 Types of Connections in a LAN Given a specific network connection, identify the type of cable required to make the connection (vertical cabling) ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 7 Types of Connections in a LAN Identify the correct cable to use in connecting intermediate and end devices in a LAN. ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 8 Types of Connections in a LAN Inside the LAN Straight-through ITE PC v4.0 Chapter 1 Crossover © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 9 Types of Connections in a LAN Connect a LAN to a WAN ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 10 Types of Connections in a LAN Device Management ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 11 Making WAN connections Data Communications Equipment (DCE) supplies the clocking services to another device typically, it’s at the WAN access provider end of the link Data Terminal Equipment (DTE) receives clocking from another device and adjusts accordingly typically, it’s at the WAN customer or user end of the link ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 12 Making WAN connections (Lab example) The V35 compliant cables are available in DTE and DCE versions. ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 13 Example device interfaces LAN Interfaces – Ethernet WAN Interfaces – Serial Console Interface Auxiliary (AUX) Interface ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 14 Importance of Network Designs Determine the total number of hosts in a network, accounting for present and future requirements ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 15 Importance of Network Designs Given a network requirement, determine the optimum number of sub networks in the larger internetwork. ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 16 How many subnets? Reasons to divide a network: Manage Broadcast Traffic Different Network Requirements Security ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 17 Calculating addresses - Example Student LAN: Student Computers: 460 Router (LAN Gateway): 1 Switches (management): 20 Total: 481 Instructor LAN Instructor Computers: 64 Router (LAN Gateway): 1 Switches (management): 4 Total: 69 Administrator LAN Administrator Computers: 20 Server: 1 Router (LAN Gateway): 1 Switch (management): 1 Total: 23 WAN Router - Router WAN: 2 Total: 2 ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 18 Example without VLSM ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 19 Example with VLSM ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 20 ITE PC v4.0 Chapter 1 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 21