book

Authorized Self-Study Guide Building Cisco Multilayer Switched Networks (BCMSN)

by Richard Froom - CCIE No. 5102, Balaji Sivasubramanian, Erum Frahim - CCIE No. 7549

February 2007

Intermediate to advanced

984 pages

22h 46m

English

Cisco Press

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Copyright
Dedications
About the Authors
About the Contributing Author
About the Technical Reviewers
Acknowledgments
Icons Used in This Book
Command Syntax Conventions
Foreword
Introduction
Goals and PurposeWho Should Read This Book?MethodsHow to Read This BookHow This Book Is Organized
1. Introduction to Building Cisco Multilayer Switched Networks
Regulatory Standards Driving Enterprise ArchitecturesHardware- and Software-Switching TerminologyMultilayer Switching OverviewUnderstanding Layers 2, 3, 4, and 7 Switching TerminologyLayer 2 SwitchingLayer 3 SwitchingLayer 4 SwitchingLayer 7 SwitchingLayer 2 Switching in DepthLayer 3 Switching In-DepthMultilayer SwitchingEnterprise Network ArchitecturesCisco Service-Oriented Network ArchitectureThree Layers of Cisco SONACisco Intelligent Information NetworkThe Cisco AVVID FrameworkPurpose of Layer 3 NetworksThe Enterprise ModelsEnterprise Composite Network ModelEnterprise CampusEnterprise Campus InfrastructureBuilding Access, Building Distribution, and Campus Backbone SubmodulesNetwork Management, Data Center, and Edge Distribution SubmodulesHow Enterprise Campus Modules Meet the Needs of Enterprise NetworksEnterprise EdgeE-Commerce ModuleInternet Connectivity ModuleRemote Access and VPN ModuleWAN ModuleService Provider EdgeISP ModulePSTN ModuleFrame Relay, ATM, and PPP ModuleThe Cisco Enterprise Data CenterServer FabricsStorage Area Networks/FabricsData Center InterconnectAccess NetworkIntroducing the Cisco Catalyst SwitchesCatalyst 6500 Family of SwitchesCatalyst 4500 and 4900 Families of SwitchesCatalyst 3560 Family of SwitchesCatalyst 2960 Family of SwitchesStudy TipsSummaryReview Questions

2. The Roles of Switches in Designing Cisco Multilayer Switched Networks
Data Link Technologies10-Mbps EthernetFast EthernetGigabit EthernetFast Ethernet and Gigabit Ethernet Auto-Negotiation10-Gigabit EthernetGigabit Interface ConvertersCisco Long-Reach EthernetMetro EthernetDesigning Cisco Multilayer Switched Networks Using the Cisco Catalyst Switches and Data Link TechnologiesReviewing the Campus Infrastructure Module of the Enterprise Composite Network ModelSelecting Layer 2 or Layer 3 SwitchesSmall Campus Network DesignMedium-Sized Campus Network DesignLarge Campus Network DesignData CenterData Center Infrastructure ArchitectureEnterprise EdgeCase Study: Designing a Cisco Multilayer Switched Campus NetworkStudy TipsSummaryReview Questions
3. Initial Configuration and Troubleshooting of Cisco Multilayer Switches
Comparing Cisco CatOS and Cisco IOSInitial Configuration of Management Parameters of Cisco Catalyst SwitchesSystem NameManagement IP ConfigurationClock and NTP SettingsTelnet and SSHDNSSystem LoggingSNMPSNMP ConfigurationManaging Catalyst Switch ConfigurationsUnderstanding the Cisco IOS File System (IFS) and Software Images on Catalyst SwitchesDetermining the IFS Size and ContentsCisco IOS Image NamingNaming Conventions Used by Hybrid and Cisco IOS Images on the Catalyst 6500 Family of SwitchesUpgrading Software Versions on Catalyst SwitchesOverview of Converting Cisco CatOS to Cisco Native IOSBasic Troubleshooting Practicesshow and debug CommandsConfigurations and Commands Useful When TroubleshootingThe Impact of debug Commands and Recommended UseInitial Configuration Troubleshooting TipsWhat to Do When You Are Unable to Connect to the Switch via the Console PortWhat to Do When You Are Unable to Establish IP Connectivity to or from a Switch Using Telnet or SSHStudy TipsSummaryConfiguration Exercise: Configuring a Cisco IOS–Based Catalyst SwitchRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Establish Console (Out-of-Band) Connectivity and Configure the Switch NameTask 2: Configure the Switch for IP ConnectivityTask 3: Configure the Switch Usernames and Passwords for Privileged and In-Band AccessTask 4: Configure the Switch for SSH and Disable Telnet AccessTask 5: Configure the Switch Time Settings, NTP Configuration, and System Logging ConfigurationTask 6: Upgrade the Switch Cisco IOS Version to a Later ReleaseReview Questions
4. Implementing and Configuring VLANs
VLANsImplementing VLANs in Multilayer Switched NetworksUnderstanding the Role and Benefits of VLANs in the Multilayer Switched Network DesignBenefits of End-to-End and Local VLANs in Campus NetworksMapping VLANs to a Hierarchical NetworkStatic and Dynamic VLANsVLAN RangesConfiguring VLANsUnderstanding the VLAN Configuration Modes in Cisco IOSConfiguring VLANs in Cisco CatOSVerifying the VLAN ConfigurationTroubleshooting VLANsTroubleshooting Slow ThroughputTroubleshooting Communication IssuesPrivate VLANsConfiguring PVLANs in Cisco IOSConfiguring pVLANs in Cisco/CatOSVLAN TrunkingImplementing Trunking in Multilayer Switched NetworksTrunking ProtocolsISLIEEE 802.1QUnderstanding Native VLAN in 802.1Q TrunkingUnderstanding DTPVLAN Ranges and MappingsService Provider–Managed VLAN ServicesCisco Trunking Modes and MethodsConfiguring ISL and 802.1Q Trunking in Cisco IOSConfiguring VLAN Trunking in Cisco CatOSVerifying Trunking ConfigurationsTroubleshooting TrunkingVLAN Trunking ProtocolVTP PruningVTP VersionsVTP Versions 1 and 2VTP Version 3VTP AuthenticationConfiguring VTPConfiguring VTP in Cisco IOSConfiguring VTP in Cisco CatOSVerifying the VTP ConfigurationTroubleshooting VTPCase Study: Troubleshooting VLAN/Trunking Issues Across the SwitchesStudy TipsSummaryConfiguration Exercise: Configuring VLAN, Trunking, and VTP in Multilayer Switched NetworksRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Create a VTP Management DomainTask 2: Configure TrunkingTask 3: Configure VLANsTask 4: Assign VLANs with Ports on Your SwitchTask 5: Add a New Switch to the Existing NetworkTask 6: Verify the VLAN and VTP StatusTask 7: Configure pVLANsReview Questions
5. Understanding and Configuring the 802.1D, 802.1s, and 802.1w Spanning Tree Protocols
Overview of the Spanning Tree ProtocolIdentifying Bridging LoopsPreventing Bridging LoopsBuilding Loop-Free NetworksSTP (IEEE 802.1D)Bridge IdentifierSpanning-Tree Path CostBridge Protocol Data UnitsSpanning-Tree Port States and BPDU TimersSTP OperationRoot Bridge ElectionPlanning Root Bridge SelectionSelection of Root and Designated Port on Nonroot BridgesUnderstanding Primary and Backup Root BridgesSample Scenario of STP Election ProcessSTP Topology ChangesPer VLAN Spanning Tree PlusMAC Address Allocation and ReductionSTP and IEEE 802.1Q TrunksConfiguring the Basic Parameters of PVST+Configuring the Root BridgeConfiguring Port CostVerifying the STP ConfigurationRapid Spanning Tree ProtocolRSTP Port StatesRSTP Port RolesRSTP BPDU Format and BPDU HandlingRapid Transition to ForwardingRSTP Topology Change MechanismCompatibility with 802.1DMultiple Spanning TreePVST+ Case802.1Q CaseMST CaseMST RegionsIST InstancesMST InstancesConfiguring Basic Parameters of MSTStudy TipsSummaryConfiguration Exercise: Configuring and Verifying Spanning-Tree Bridge Priorities and Spanning-Tree Port CostRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Configure and Verify Spanning Tree Root and Backup Bridges and STP PrioritiesTask 2: Configure and Verify Spanning Tree Port CostTask 3: Identifying STP Topology ChangesReview Questions
6. Adding Resiliency to Spanning Tree Using Advanced Features and Troubleshooting STP Issues
Enhancements to 802.1D Spanning Tree ProtocolPortFastConfiguring the PortFast FeatureUplinkFastConfiguration and Verification of UplinkFastBackboneFastConfiguration and Verification of BackboneFastImproving Spanning-Tree ResiliencyBPDU GuardBPDU FilteringRoot GuardPreventing Forwarding Loops and Black HolesLoop GuardComparison Between Aggressive Mode UDLD and Loop GuardTroubleshooting STPPotential STP ProblemsDuplex MismatchUnidirectional Link FailureFrame CorruptionResource ErrorsPortFast Configuration ErrorInappropriate STP Diameter Parameter TuningTroubleshooting Methodology for STP ProblemsKnow the NetworkIdentify a Bridging LoopRestore ConnectivityCheck Port StatusLook for Resource ErrorsDisable Unneeded FeaturesStudy TipsSummaryConfiguration Exercise: Configuring BackboneFast, UplinkFast, Root Guard, and PortFastRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Configure and Verify BackboneFastTask 2: Configure and Verify UplinkFastTask 3: Configure and Verify Root GuardTask 4: Configure and Verify PortFastConfiguration Exercise: Identify and Resolve a Layer 2 LoopRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Identifying the Layer 2 LoopTask 2: Divide and Conquer (Disconnect Redundancy)Task 3: Find Root Cause of Layer 2 Loop (Investigate Network and Hardware)Task 4 (optional): Check Software StatisticsReview Questions
7. Enhancing Network Stability, Functionality, Reliability, and Performance Using Advanced Features
EtherChannelPAgP ModesLACP ModesEtherChannel GuidelinesEtherChannel Configuration ExampleEtherChannel Load BalancingCDPVoice VLAN and CDPSecurity IssuesMultiple Default GatewaysMAC Address NotificationLayer 3 Protocol FilteringDHCP for Management IP ConfigurationDebounce Timer FeatureBroadcast and Multicast SuppressionBaby Giants and Jumbo FramesError-Disable FeatureIEEE 802.3 Flow ControlUDLD and Aggressive Mode UDLDCase Study: Function of Aggressive Mode UDLDStudy TipsSummaryConfiguration ExerciseRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Configure and Verify EtherChannelTask 2: Configure and Verify LACP EtherChannelTask 3: Configure and Verify CDPTask 4: Configure and Verify Aggressive Mode UDLDTask 5: Configure and Verify Jumbo FrameTask 6: Configure and Verify Error-DisableReview Questions
8. Understanding and Configuring Inter-VLAN Routing
IP Address Hierarchy in a Multilayer Switched NetworkIntroduction to Inter-VLAN RoutingConnecting VLANs with Multilayer Catalyst SwitchesRouted PortsSwitch Virtual InterfacesBridge Virtual InterfacesRouter on a Stick (External Router)Verifying the Inter-VLAN Routing ConfigurationIP Broadcast ForwardingDHCP Relay AgentUDP Broadcast ForwardingStudy TipsSummaryConfiguration Exercise: Configuring Inter-VLAN Routing on Cisco IOS–Based Catalyst SwitchesRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Configure Inter-VLAN Routing Using SVIs on a Building Distribution SwitchTask 2: Configure Simple Routing Using EIGRPTask 3: Configure Inter-VLAN Routing Using a Router on a StickTask 4: Configure SVI Interfaces for DHCP ForwardingReview Questions
9. Understanding and Configuring Multilayer Switching
Understanding Traditional MLSUnderstanding CEF-Based MLSCentralized and Distributed SwitchingAddress Resolution Protocol ThrottlingSwitching Table ArchitecturesCAMTCAMCEF-Based MLS Operation and Use of TCAMSample CEF-Based MLS OperationCEF-Based MLS Load SharingCEF-Based MLS Configuration, Verification, and TroubleshootingCEF-Based MLS ConfigurationCEF-Based MLS Verification and TroubleshootingViewing the Layer 3 Engine CEF TableViewing the Layer 3 Engine Adjacency TableDebugging CEF on the Layer 3 EngineCEF-Based MLS Troubleshooting MethodologyStudy TipsSummaryConfiguration Exercise: Troubleshooting CEF-Based MLSRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Establish Console (Out-of-Band) Connectivity or Telnet or SSH Connectivity to the SwitchTask 2: Determine the IP Routing Entry or Subnet That Is Experiencing Connectivity Problems or a CEF-Based MLS IssueTask 3: Verify the Cisco IOS IP Routing Table and ARP Entries for the RouteTask 4: Verify the IP CEF FIB and Adjacency Entries for the RouteTask 5: Debug the CEF FIB and Adjacency Table’s Downloads to the Centralized Switching and Distributed Switching Engines, and Verify the TCAM Contents for FIB and Adjacency TablesReview Questions
10. Understanding and Implementing Quality of Service in Cisco Multilayer Switched Networks
The Need for QoSLatencyJitterPacket LossQoS-Enabled SolutionsQoS Service ModelsIntegrated Services ArchitectureDifferentiated ServicesAssured Forwarding and Expedited ForwardingAssured ForwardingExpedited ForwardingCatalyst QoS FundamentalsClassificationTrust Boundaries and ConfigurationsNBARMarkingTraffic Conditioning: Policing and ShapingShapingPolicingCongestion ManagementFIFO QueuingWeighted Round Robin QueuingShaped Round Robin (SRR)Priority QueuingCustom QueuingOther Congestion-Management Features and ComponentsCongestion AvoidanceTail DropWeighted Random Early DetectionQoS in the Multilayer Switched NetworkQoS in the Building Access SubmoduleQoS in the Building Distribution SubmoduleQoS in the Campus BackboneAuto QoSStudy TipsSummaryConfiguration Exercise: Configuring QoS on Cisco IOS–Based Catalyst SwitchesRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Globally Enable QoSTask 2: Configure the Switch to Trust DSCP on Interfaces FastEthernet0/1 Through 0/10 if a Cisco IP Phone Is AttachedTask 3: Configure the Switch to Classify All Incoming Frames on Interface FastEthernet 0/11 with a CoS Value of 4 for Untagged FramesTask 4: Configure a Policy Map, a Class Map, and the Interface Such That All Ingress TCP Port 30000 Packets on FastEthernet0/11 Have Their DSCP Set to 16Task 5: Configure All Egress Queues Such That CoS Values 4, 6, and 7 Use Queue 3 and a CoS Value 5 Uses Queue 4Task 6: Configure Queue 4 as a Strict-Priority QueueTask 7: Configure WRR Weights Such That Queue 3 Receives Twice as Much Service as Any Other Single QueueTask 8: Verify All Configurations by Viewing Interface StatisticsReview Questions
11. Deploying Multicast in the Multilayer Switched Network
Introduction to MulticastMulticast IP Address StructureReserved Link Local AddressesGlobally Scoped AddressesSource-Specific Multicast AddressesGLOP AddressesLimited-Scope AddressesMulticast MAC Address StructureReverse Path ForwardingMulticast Forwarding TreeSource TreesShared TreesComparing Source Trees and Shared TreesIP Multicast ProtocolsPIMPIM Dense ModePIM Sparse ModePIM Sparse-Dense ModePIM BidirectionalAutomating Distribution of RPAuto-RPBootstrap RouterComparison and Compatibility of PIM Version 1 and Version 2IGMPIGMPv1IGMPv2IGMPv3IGMPv3 LiteMulticast Hardware-Based Switching MethodsMMLSCEF-Based MMLSMFIBLayer 2 Multicast ProtocolsIGMP SnoopingCisco Group Management ProtocolIP Multicast in the Multilayer Switched NetworkConfiguring MulticastMonitoring and Verifying IP Multicast TrafficStudy TipsSummaryConfiguration Exercise: Configuring and Verifying Multicast in the Multilayer Switched Network to Support Stock Ticker Video ApplicationsRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Configure Multicast Routing with Sparse-Dense Mode on Distribution SwitchesTask 2: Configure the RP/Mapping Agent for Auto-RP on the Core SwitchesReview Questions
12. Design Network Resiliency, Redundancy, and High Availability in Multilayer Switched Networks
Achieving High Availability in Multilayer SwitchesImplementing Redundant Supervisor Engines in Catalyst SwitchesRoute Processor RedundancyRoute Processor Redundancy PlusConfiguring and Verifying RPR+ RedundancyStateful Switchover (SSO)Configuring and Verifying SSONSF with SSOConfiguring and Verifying NSF with SSORouter Redundancy Using Single Router Mode on the Catalyst 6500 Series of SwitchesSRM Failure Scenario with a Catalyst 6500 Supervisor Engine II and MSFC2SRM Failure Scenario with Supervisor Engine IASRM ConfigurationUnderstanding Cisco IOS Software Modularity and In-Service Software Upgrade (ISSU)Implementing Redundant Supervisor Uplink Modules in Catalyst SwitchesImplementing Redundant Power SuppliesImplementing Default Gateway Router Redundancy in Multilayer Switched NetworksProxy ARPIRDPStatic Default Gateway ConfigurationHot Standby Routing ProtocolHSRP StatesHSRP Virtual MAC AddressHSRP Load BalancingConfiguring HSRPDefining the HSRP GroupConfiguring Router HSRP Group PriorityConfiguring HSRP PreemptConfiguring HSRP Group TimersConfiguring HSRP Interface TrackingVerifying HSRPHSRP DebuggingVirtual Router Redundancy ProtocolVRRP ScenariosVRRP Operation DetailsConfiguring and Verifying VRRPGateway Load Balancing ProtocolConfiguring and Verifying GLBPCisco IOS Server Load BalancingCisco IOS SLB Modes of OperationConfiguring the Server Farm in a Data Center with Real ServersConfiguring Virtual ServersStudy TipsSummaryConfiguration Exercise: Configuring and Verifying RPR+ and HSRPRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Configure and Verify RPR+Task 2: Configure and Verify HSRPReview Questions
13. Best Practices for Deploying Cisco IP Telephony Using Cisco Catalyst Switches
Why Include VoIP When Building a Converged Network?Introduction to IP Telephony ComponentsNetwork Design Recommendations for IP TelephonyQoSVoice (Auxiliary) VLANsNetwork Bandwidth ProvisioningPower ConsiderationsNetwork ManagementIP Telephony High AvailabilitySecurityBest Practices for Deploying IP Telephony in the Enterprise Composite Network ModelStudy TipsSummaryConfiguration Exercise: Configuring Voice VLANs on a Catalyst SwitchRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Configure Access and Voice VLANTask 2: Configure Interfaces for Access and Voice VLANsTask 3: Configure Interface FastEthernet 0/1 Through 0/10 for a Recommended QoS Configuration for Congestion ManagementTask 4: Configure Interface FastEthernet 0/1 for a Classification Based on Trusting CoSTask 5: Configure Interface FastEthernet 0/2 for Classification Based on Trusting DSCPTask 6: Configure Interfaces FastEthernet 0/3 Through 0/10 for Trusting CoS Based on Whether an IP Phone Is Attached to the InterfaceTask 7: Verify the Voice VLAN Configuration of the FastEthernet InterfacesReview Questions
14. Securing Your Multilayer Switched Network to Minimize Service Loss and Data Theft
Introduction to Layer 2 Security and Types of Layer 2 AttacksUnderstand How a Rogue Device Gains Unauthorized AccessCategories of Layer 2 AttacksCatalyst Switch Configurations for Security in Multilayer Switched NetworksConfiguring Strong System PasswordsRestricting Management Access Using Access Control ListsSecuring Physical Access to the ConsoleSecuring Access to vty LinesConfiguring System Warning BannersDisabling Unneeded or Unused ServicesTrimming and Minimizing Use of CDPDisabling the Integrated HTTP DaemonConfiguring Basic System LoggingSecuring SNMPLimiting Trunking Connections and Propagated VLANsSecuring the Spanning-Tree TopologyConfiguring AAAAuthenticationAuthorizationAccountingConfiguring AAA AuthenticationConfiguring AAA AuthorizationConfiguring AAA AccountingA Step-by-Step Example of Configuring Cisco AAA on a Cisco IOS-Based Catalyst SwitchAdditional Resources for Understanding and Configuring AAAPort SecurityAllowing Traffic Based on Host MAC AddressesRestricting Traffic Based on Host MAC AddressesBlocking Unicast Flooding on Desired PortsPort Security SummaryNetwork Access Security Using IEEE 802.1XConfiguring IEEE 802.1XUnderstanding Cisco Network Admission Control on Catalyst SwitchesApplying Security Using Access Control ListsRACLsVACLsPort ACLsSecuring Networks Using FirewallsSecurity Through Network Address Translation (NAT)DHCP SnoopingIP Source GuardConfiguring IPSGDynamic ARP InspectionUnderstanding the Role of Private VLANs as a Security FeatureUnderstanding the Role of QoS as a Security FeatureSTP Security Mechanisms ReviewCase Study: Understanding and Preventing VLAN Hopping AttacksStudy TipsSummaryConfiguration Exercise 1: AAA, 802.1X, and VACLsRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Enable AAA, Disable Telnet, and Enable SSHTask 2: Configure AAA Authentication for VTY Access Using RADIUS and the Local Username and Password Database if the Radius Server Is UnavailableTask 3: Configure 802.1X on a Per-Interface BasisTask 4: Configure VACL to Drop All Ingress Frames on TCP Port 8889Configuration Exercise 2: Securing a Cisco Multilayer Switched Network Using DHCP Snooping, IPSG, and DAIRequired ResourcesExercise ObjectiveNetwork DiagramCommand ListTask 1: Enable DHCP SnoopingTask 2: Verify DHCP Snooping, IPSG, and DAI StatusTask 3: Simulate an IP Source Guard and DAI ViolationReview Questions
15. Introduction to the Catalyst Switching Architectures
Catalyst 6500Catalyst 6500 Supervisor Engine 32Catalyst 6500 with Supervisor Engine IICatalyst 6500 with Supervisor Engine 720Catalyst 6500 ModulesCatalyst 6500 Service ModulesCatalyst 6500 SummaryCatalyst 4500Catalyst 3750Catalyst 3560Catalyst 2960Study TipsSummaryReview Questions
16. Designing, Building, and Connecting Cisco Multilayer Switched Networks Using Metro Solutions
Introduction to Cisco Metro SolutionsMetro EthernetMetro Ethernet Connectivity and TransportTransparent LAN ServicesDirected VLAN ServiceMetro Ethernet over SONETMetro Ethernet over Wavelength Division Multiplexing Optical SolutionsMetro Ethernet over DWDMMetro Ethernet over CDWMOptical Distance ChallengesSummaryReview Questions
17. Performance and Connectivity Troubleshooting Tools for Multilayer Switches
Techniques to Enhance PerformanceMonitoring Performance with SPAN and VSPANUsing SPAN to Monitor the CPU Interface of SwitchesCase Study: Troubleshooting a Catalyst 6500 Using a SPAN Session to Monitor the sc0 InterfaceMonitoring Performance with RSPANMonitoring Performance with ERSPANMonitoring Performance Using VACLs with the Capture OptionTroubleshooting Using L2 TracerouteEnhancing Troubleshooting and Recovery Using Cisco IOS Embedded Event ManagerPerformance Monitoring Using the Network Analysis Module in the Catalyst 6500 Family of SwitchesVerification of the NAM ConfigurationTroubleshooting Common Problems with the NAMStudy TipsSummaryReview Questions
18. Introducing Wireless into the Campus Network
WLANs ExplainedWLAN and Ethernet SimilaritiesWLAN and Ethernet DifferencesPrivacy ConcernsEnvironmental ConcernsCompression ConcernsMobility ConcernsRegulatory ConcernsWLAN ComponentsAutonomous APsLightweight APsWireless Network ImplementationsBuilding Blocks of AP WLAN TopologiesBuilding Blocks of a Bridging WLANTopology ImplementationWireless Theory and StandardsRF BasicsWLAN: RF MathAntennasRegulatory Agencies and Standards802.11 Operational StandardsIEEE 802.11 Standards in the 2.4-GHz Band802.11a Standards in the 5-GHz BandComparing the 802.11 StandardsImplementing WLANs802.11b/g Channel Reuse802.11a Channel ReuseBest PracticesBridge Path ConsiderationsPower ImplementationCisco WLANsEnterprise WLAN IssuesOverview of Cisco WLANComparing Autonomous and Lightweight APsWireless LAN ManagementCisco Wireless Control SystemCisco Catalyst 6500 Series Wireless Services Module (WiSM)Cisco Wireless LAN Controller Module (WLCM) for Integrated Services Routers (ISR)CiscoWorks Wireless LAN Solution Engine (WLSE)CiscoWorks WLSE ExpressCisco Wireless Location ApplianceComparing Core and Advanced Feature RoamingCisco Airespace RoamingCisco Airespace Layer 2 RoamingCisco Airespace Layer 3 RoamingSplit MACLWAPP AP AssociationLayer 2 Lightweight AP ProtocolLayer 3 Lightweight AP ProtocolAccess Point AssociationAccess Point Association OrderAccess Point Association Layer 2 Controller ResponseAccess Point Association Layer 3 Controller ResponseMixing LWAPP with Autonomous APsCisco Wireless ClientsWireless Client AssociationOpen AuthenticationPre-shared Key Authentication (WEP)Introducing WLAN SecurityCisco Client CardsCisco Compatible ExtensionsConfiguring a Basic WLANAvailable Interfaces for WLAN ConfigurationManagement InterfaceAP-Manager InterfaceVirtual InterfaceService-Port InterfaceDynamic InterfaceConnecting to the ControllerConfiguring the ControllerVerifying Controller Configurationshow 802.11 Commandsshow advanced 802.11 Commandsshow ap Commandsshow stats Commandsshow client Commandsshow radius Commandsshow rogue ap Commandsshow rogue client CommandsSummaryReview Questions
A. Answers to Review Questions
Chapter 1Chapter 2Chapter 3Chapter 4Chapter 5Chapter 6Chapter 7Chapter 8Chapter 9Chapter 10Chapter 11Chapter 12Chapter 13Chapter 14Chapter 15Chapter 16Chapter 17Chapter 18

Content preview from Authorized Self-Study Guide Building Cisco Multilayer Switched Networks (BCMSN)

Appendix A. Answers to Review Questions

Chapter 1

1	True. Applying security in the multilayer switched network is crucial to provide a secured environment.
2	True. Security is the most important aspect of building multilayer switched networks today.
3	True. Hardware-switching of frames scales the number of wire-speed ports by implementing features such as distributed CEF.
4	True. The Enterprise Composite Network Model adds modularity to the hierarchical network design.
5	True. The Data Center is evolving as its own functional area of the enterprise network.
6	Answers: Layer 3. Switching per IP destination occurs at the network layer (Layer 3). Layer 3. IP precedence is denoted by bits in the IP header to signify priority. Applying QoS based on these IP precedence ...

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Authorized Self-Study Guide Building Cisco Multilayer Switched Networks (BCMSN)

by Richard Froom - CCIE No. 5102, Balaji Sivasubramanian, Erum Frahim - CCIE No. 7549

Appendix A. Answers to Review Questions

Chapter 1

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