1. Documenting the Existing Network
   1. Creating a Network Diagram
      1. Examines the existing network
         1. Determine if the design goals are realistic and feasible
         2. Determine if the existing network meets the expectations for scalability, availability, security, and manageability
         3. Identify where new equipment, infrastructure upgrades, and new services can be integrated
         4. Identify where new equipment, infrastructure upgrades, and new services can be integrated
         5. Upgrading the Stadium Network
            1. Better manage its existing voice, video, and data networks
            2. Improve customer service
            3. Reduce costs
            4. The network documentation should include
            5. Logical and physical diagrams of the network
            6. Floor plans showing the location of wiring closets and wiring runs
            7. Inventory lists of installed network equipment
            8. Current network configuration files
            9. Inventory lists of network applications
         6. Producing a Network Topology Map
         7. Obtaining Information About Devices and Data Routes
            1. The Cisco IOS software offers useful commands to gain information from a router to create a network diagram. Some of these commands are: >show version >show running-config >show ip route >show cdp neighbors detail >show controllers >show tech-support
            2. Other useful switch commands include: >show vlan >show vtp >show spanning-tree
   2. Diagramming the Logical Architecture
      1. Creating an Existing Network Overview Diagram
         1. The main stadium network
         2. The souvenir shop
         3. The ticket outlet locations
         4. Connectivity to remote sites
         5. Connectivity to business partners
      2. Creating Network Segment Diagrams
         1. Connectivity to business partners
         2. The logical addressing information
         3. The naming information
      3. Creating a Logical Diagram of the Main Stadium LAN
         1. Routers and switches
         2. Wireless Access Points
         3. Critical telecommunications equipment (CSU/DSU, modems)
         4. Firewalls and intrusion detection devices (IDS)
         5. Management stations
         6. Servers and server farms
   3. Developing a Modular Diagram
      1. A modular block diagram is a simplified version of the network.
      2. The diagram shows the major functions in modular form
   4. Strengths and Weakness of the Existing Network
      1. Strengths of the Existing Stadium Network
         1. Reviews the current voice and video network documentation
         2. Determine the locations of equipment and the various groups who use the services
         3. Strengths
            1. New wiring and adequate wiring closets
            2. Adequate space for a new data center
            3. Servers and PCs are current models and will not need to be replaced
            4. Some existing network switches and routers can be used in the new design
         4. Weakness
            1. Flat network design
            2. No Distribution Layer
            3. No true Core Layer
            4. Servers poorly located
            5. Multiple networks that can be difficult to maintain
            6. Inadequate IP addressing structure
            7. No dedicated bandwidth for WAN connectivity
            8. Poorly-implemented wireless
            9. Limited security implementations
         5. Overcoming Weaknesses in Preparation for the Network Upgrade
            1. The designer need to
            2. focuses on finding ways to overcome the weaknesses of the existing network
            3. proposes updating the network design with the necessary enhancements
            4. Evaluated the existing equipment that doesn't need replacement
            5. know that the hardware is working OK and that the software is up-to-date to ensure easy integration of new features into the network
2. Updating the Existing Cisco IOS
   1. Cisco CCO Features and Navigation
      1. Documentation
         1. Hardware and software configuration and verification, as well as troubleshooting Cisco products and technologies
      2. Tools
         1. Troubleshooting, installation, assessment, and service requests
      3. Downloads
         1. Software, specific file releases, and technical support applications
      4. Communities and Training
         1. Information on the Networking Professionals Connection, attending Technical Support Seminars, and other training opportunities
      5. News
         1. Current topics reported in the Cisco Technical Support Newsletter
   2. Investigating the Installed Cisco IOS Software
      1. Using the "show version" Command
         1. Model and type of device
         2. Installed memory
         3. Interfaces and slots
         4. Optional installed modules
         5. Current IOS software version and file name
      2. IOS Software File Naming Conventions
         1. Cisco IOS Image Names that represents the hardware, features set, format, maintenance release, and T release
      3. Testing the Upgrade Process
         1. >Using test equipment enables the NetworkingCompany staff to verify that the updated system will operate as expected >They will be better able to estimate the length of time it will take to perform each upgrade
   3. Choosing an appropriate Cisco IOS Image
      1. Using Feature Navigator
   4. Download and Install Cisco IOS
      1. Step 1: Select a IOS Software Image
      2. Step 2: Identify the Device File System to Copy the Image
      3. Step 3: Verify that the TFTP Server Has IP Connectivity to the Device
      4. Step 4: Back Up the Current Configurations to Prepare for the Upgrade
      5. Step 5: Copy the IOS Image to the Device
   5. The Router Startup Process
      1. 1. Performing the POST and Loading the Bootstrap Program
      2. 2. Locating and Loading the IOS Software
      3. 3. Locating and Executing the Startup Configuration File or Entering Setup Mode
3. Upgrading Existing Hardware
   1. Investigating Installed Hardware Features
   2. Investigating Appropriate Hardware Options
   3. Installing a New Hardware Option
      1. Installing Option Interface Cards in an 1841 Router
         1. Step 1: Turn Off Power to the Router
         2. Step 2: Remove the Blank Faceplate from the Slot
         3. Step 3: Install the Option Module
         4. Step 4: Turn on Power to the Router and Check the New Configuration
4. Performing a Wireless Site Survey
   1. Visiting the Customer Site
      1. Preparation
      2. Site Survey
      3. Security
      4. Safety Guidelines
   2. Physical Network Consideration
      1. Areas of concern to the designer include
         1. The many microwave ovens that are located in the concession areas and the luxury boxes
         2. Wireless telephones and headsets that are used by the reporters and newsmen
         3. Elevator shafts that are located near the outer areas of the restaurant and the luxury suites
         4. Thick concrete pillars and walls between the luxury suites
   3. Wireless Site Survey and Planning
      1. Step 1: Define Customer Requirements
      2. Step 2: Identify Coverage Areas
      3. Step 3: Determine Preliminary AP Locations
      4. Step 4: Measure Signal Strength
5. Documenting Network Design Requirements
   1. Creating a Network Design Requirements Document
      1. Overall Project Goal
         1. Example of goal
            1. Better performance for existing applications
            2. Integration of voice and video networks
            3. Addition of new applications without impacting existing service levels
      2. Project Scope
      3. Network Requirements
      4. State of the Network
         1. Logical and physical diagrams
         2. Equipment lists
         3. Applications
         4. Strengths and weaknesses
   2. Overall Project Goal
   3. Business Goals and Technical Requirements
      1. Network Requirements
         1. Business Goals
         2. Technical Requirements
            1. Scalability
            2. Availability
            3. Security
            4. Manageability
         3. Users
         4. Applications
   4. Existing Network Characterization
      1. State of the Existing Network
         1. All of the network diagrams that the NetworkingCompany creates to illustrate the existing network
         2. The names and IP addresses of servers and important networking components
         3. The existing network strengths and weaknesses and how they impact the business goals