Figure 10.11: Collage Image Manager Change Image Type Window
Figure 10.12: LAN Segmentation
Figure 10.13: A Typical Web ServerInternet Connection
Chapter 11: Using Intelligent Switches
Figure 11.1: A Shared Media, Shared Bandwidth Ethernet LAN Segment
Figure 11.2: A Two-Hub 10BASE-T Ethernet Network
Figure 11.3: Conventional Hub Dataflow
Figure 11.4: The Connection of Token Ring MAUs Forms a Star-Ring Topology
Figure 11.5: Bridge Switching Operation
Figure 11.6: Basic Components of an Intelligent Layer 2 Switch
Figure 11.7: Shared Bus Switch
Figure 11.8: Shared Memory Switch Architecture
Figure 11.9: Cross-Point/Cut-Through Switching
Figure 11.10: Store-and-Forward Switching
Figure 11.11: Port-Based Switching
Figure 11.12: Segment-Based Switching
Figure 11.13: Support a Small Department or Workgroup
Figure 11.14: Generic Construction of a Two-Tiered Ethernet Switch-Based Network
Figure 11.15: Using a Gigabit Ethernet Switch as a Star-Based Backbone Switch
Figure 11.16: The Key to the Operation of a Switch Is a Matrix Module that Enables Each Port to be Cross-Connected to Other Ports
Figure 11.17: A Typical Ethernet Modular Switch Chassis Containing a Mixture of Port, CPU, Logic, Matrix, and Power Cards
Figure 11.18: The IEEE 802.3x Pause Frame
Figure 11.19: Switch Latency Includes a Built-In Delay Resulting from the Structure of the Ethernet Frame
Figure 11.20: The Need for Loop Control
Figure 11.21: Creating Port-Grouping vLANs Using a LAN Switch
Figure 11.22: Overcoming the Port-Based Constraint Where Stations Can Join Only a Single vLAN
Figure 11.23: Layer 2 vLAN
Figure 11.24: Moving Stations When Using a Layer 2 vLAN
Figure 11.25: Inter-vLAN Communications Require the Use of a Router
Figure 11.26: vLAN Creation Based on IP Subnets
Figure 11.27: vLAN Creation Based on Protocol
Figure 11.28: Using a Router to Interconnect Switches
Figure 11.29: Flow-Based Routing Using Packet Tagging Assuming Flow from Station 1 on LAN A to Station 5 on LAN 3 Is Identified by Tag Number 6
Figure 11.30: Using a Layer 4 Switch
Chapter 12: LAN Monitoring Tools
Figure 12.1: The EtherPeek Capture Screen Display
Figure 12.2: Use the Capture Buffer Options Dialog Box to Adjust the Size of Packets Captured and the Amount of Memory Used for Packet Capturing
Figure 12.3: Use the EtherPeek Filters Screen to Control the Type Captured
Figure 12.4: Use the Filter Settings Dialog Box to Set Values for up to Four Types of Filters
Figure 12.5: Captured Packets Meeting Your Filtering Criteria Are Listed by Time of Occurrence
Figure 12.6: Use the Packet Flags Tab in the Display Options Dialog Box to Control the Display Indicator Used to Denote Five Predefined Conditions
Figure 12.7: Use the Packet List Columns Tab to Control the Display of Packet Information on the Packet Capture Screen
Figure 12.8: Use EtherPeek's Statistics Menu to Display Summary Statistics Based on the IP Address of Packets Transmitted, Packet Destinations, or Both
Figure 12.9: EtherPeek Summary Statistics Display Provides a Summary of Packets by Packet Length Interval
Figure 12.10: Use the EtherVision Available Options Menu to Monitor the Traffic Based on Source or Destination Address
Figure 12.11: Monitoring Screen Display Indicates the Distribution of Frames by Network Address
Figure 12.12: The EtherVision Statistics Display Provides a Summary of Various Network Statistics
Chapter 13: Transmission Optimization Techniques
Figure 13.1: Effect of Local versus Remote Bridge Filtering
Figure 13.2: Token Ring to IEEE 802.3 Frame Conversion
Figure 13.3: First-In, First-Out Queuing
Figure 13.4: First-In, First-Out Queuing Delays
Figure 13.5: Precedence Queuing Based on Frame Length
Figure 13.6: Using Bandwidth-on-Demand Inverse Multiplexers
Figure 13.7: Examining the Effect of Service Advertising Protocol Broadcasts on WAN Circuits