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Lecture Notes for CCNA 2 v7 Labs and Study Guide

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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 1 preview imageSwitching, Routing, andWireless Essentials Labs andStudy Guide (CCNAv7)Instructor’s Answer KeyAllan Johnson
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 2 preview image
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 3 preview imageivSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)About the Contributing AuthorAllan Johnsonentered the academic world in 1999, after 10 years as a business owner/operator,to dedicate his efforts to his passion for teaching. He holds both an M.B.A. and an M.Ed. intraining and development. He taught CCNA courses at the high school level for 7 years andhas taught both CCNA and CCNP courses at Del Mar College in Corpus Christi, Texas. In2003, Allan began to commit much of his time and energy to the CCNA Instructional SupportTeam, providing services to Networking Academy instructors worldwide and creating trainingmaterials. He now works full time for Cisco Networking Academy as Curriculum Lead.
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 4 preview imagevAbout the Technical ReviewerDave Holzingerhas been a curriculum developer, project manager, author, and technical editorfor Cisco Networking Academy in Phoenix since 2001. Dave works on the team that developsCisco Networking Academy’s online curricula, including CCNA, CCNP, and IT Essentials. Hehas been working with computer hardware and software since 1981. Dave has certificationsfrom Cisco, BICSI, and CompTIA.
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 5 preview imageviSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Contents at a GlanceIntroductionxxxChapter 1Basic Device Configuration1Chapter 2Switching Concepts69Chapter 3VLANs77Chapter 4Inter-VLAN Routing161Chapter 5STP Concepts251Chapter 6EtherChannel265Chapter 7DHCPv4311Chapter 8SLAAC and DHCPv6349Chapter 9FHRP Concepts379Chapter 10LAN Security Concepts393Chapter 11Switch Security Configuration405Chapter 12WLAN Concepts439Chapter 13WLAN Configuration455Chapter 14Routing Concepts503Chapter 15IP Static Routing535Chapter 16Troubleshoot Static and Default Routes571
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 6 preview imageContentsIntroductionxxxChapter 1Basic Device Configuration1Study Guide2Configure a Switch with Initial Settings2Switch Boot Sequence2The boot system Command2Switch LED Indicators3Recovering from a System Crash4Switch Management Access5Switch SVI Configuration6Configure Switch Ports6Duplex Communication6Configure Switch Ports at the Physical Layer6Auto-MDIX7Switch Verification Commands7Network Access Layer Issues8Troubleshooting Network Access Layer Issues9Secure Remote Access10Telnet Operation10SSH Operation10Verify That the Switch Supports SSH10Configure SSH10Verify That SSH Is Operational11Packet Tracer Exercise 1-1: Configure Secure Access12Basic Router Configuration13Configure Basic Router Settings13Dual Stack Topology14Configure Router Interfaces14IPv4 Loopback Interfaces15Packet Tracer Exercise 1-2: Basic Router Configuration15Verify Directly Connected Networks16Verify Interface Status16Verify IPv6 Link-Local and Multicast Addresses16Verify Interface Configuration17Verify Routes17Filter Show Command Output18Command History Feature19Check Your Understanding—Verify Directly Connected Networks20Labs and Activities21Command Reference21Contentsvii
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 7 preview imageviiiSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)1.1.7 Lab—Basic Switch Configuration (Instructor Version)23Topology23Addressing Table23Objectives23Background / Scenario24Required Resources24Part 1: Cable the Network and Verify the Default SwitchConfiguration25Part 2: Configure Basic Network Device Settings29Part 3: Verify and Test Network Connectivity31Part 4: Manage the MAC Address Table34Reflection Questions37Appendix A: Initialize and Reload a Switch37Device Configs38Switch S1381.3.6 Packet Tracer—Configure SSH (Instructor Version)42Addressing Table42Objectives42Background42Instructions42Part 1: Secure Passwords42Part 2: Encrypt Communications421.4.7 Packet Tracer—Configure Router Interfaces (Instructor Version)44Addressing Table44Objectives44Background44Instructions44Part 1: Configure IPv4 Addressing and Verify Connectivity44Part 2: Configure IPv6 Addressing and Verify Connectivity45Final Configuration45Router R145Router R2451.5.10 Packet Tracer—Verify Directly Connected Networks(Instructor Version)46Addressing Table46Objectives46Background46Instructions46Part 1: Verify IPv4 Directly Connected Networks46Part 2: Verify IPv6 Directly Connected Networks48Final Configuration49Router R149Router R249
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 8 preview image1.6.1 Packet Tracer—Implement a Small Network (Instructor Version)50Addressing Table50Objectives50Instructions50Part 1: Create the Network Topology50Part 2: Configure Devices51Device Configurations52Router RTA52Switch SW153Switch SW2531.6.2 Lab—Configure Basic Router Settings (Instructor Version)54Topology54Addressing Table54Objectives54Background / Scenario55Required Resources55Instructions56Part 1: Set Up the Topology and Initialize Devices56Part 2: Configure Devices and Verify Connectivity56Part 3: Display Router Information59Reflection Questions65Router Interface Summary Table66Device Configs66Router R166Chapter 2Switching Concepts69Study Guide70Frame Forwarding70Switching in Networking70The Switch MAC Address Table70The Switch Learn and Forward Method70Switching Forwarding Methods71Store-and-Forward Switching71Cut-Through Switching71Activity—Build the MAC Address Table72Switching Domains73Collision Domains73Broadcast Domains74Alleviate Network Congestion74Check Your Understanding—Switching Domains75Labs and Activities76Contents ix
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 9 preview imagexSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Chapter 3VLANs77Study Guide78Overview of VLANs78VLAN Definitions78Benefits of VLAN Design78Types of VLANs78Check Your Understanding—Overview of VLANs79VLANs in a Multi-Switched Environment80Defining VLAN Trunks80Network Without VLANs80Network with VLANs80VLAN Identification with a Tag81Native VLANs and 802.1Q Tagging81Voice VLAN Tagging82Check Your Understanding—VLANs in a Multi-Switched Environment83VLAN Configuration85VLAN Ranges on Catalyst Switches85VLAN Creation and Port Assignment Exercise85Packet Tracer 3-1: VLAN Creation and Port Assignment86Requirements86Verify VLAN Information87Modify VLANs and Port Assignments88VLAN Trunks88Trunk Configuration Commands88Packet Tracer Exercise 3-2: VLAN and Trunk Configuration89Reset the Trunk to the Default State90Dynamic Trunking Protocol90Introduction to DTP90Negotiated Interface Modes90Results of a DTP Configuration91Verify DTP Mode92Check Your Understanding—Dynamic Trunking Protocol93Labs and Activities94Command Reference943.1.4 Packet Tracer—Who Hears the Broadcast? (Instructor Version)95Objectives95Scenario95Instructions95Reflection Questions963.2.8 Packet Tracer—Investigate a VLAN Implementation(Instructor Version)97Addressing Table97
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 10 preview imageObjectives97Background97Instructions97Part 1: Observe Broadcast Traffic in a VLAN Implementation97Part 2: Observe Broadcast Traffic without VLANs99Reflection Questions993.3.12 Packet Tracer—VLAN Configuration (Instructor Version)101Addressing Table101Objectives101Background101Part 1: View the Default VLAN Configuration101Part 2: Configure VLANs102Part 3: Assign VLANs to Ports103Answer Scripts105Switch S1105Switch S2105Switch S31053.4.5 Packet Tracer—Configure Trunks (Instructor Version)107Addressing Table107Objectives107Background107Instructions107Part 1: Verify VLANs107Part 2: Configure Trunks108Answer Scripts109Switch S1109Switch S2109Switch S31093.4.6 Lab—Configure VLANs and Trunking (Instructor Version)110Topology110Addressing Table110Objectives110Background / Scenario110Required Resources111Instructions111Part 1: Build the Network and Configure Basic Device Settings111Part 2: Create VLANs and Assign Switch Ports113Part 3: Maintain VLAN Port Assignments and the VLAN Database116Part 4: Configure an 802.1Q Trunk Between the Switches120Part 5: Delete the VLAN Database124Reflection Questions125Device Configs - Final125Contents xi
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 11 preview imagexiiSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Switch S1125Switch S21293.5.5 Packet Tracer—Configure DTP (Instructor Version)133Addressing Table133Objectives133Background / Scenario133Instructions133Part 1: Verify VLAN configuration133Part 2: Create additional VLANs on S2 and S3134Part 3: Assign VLANs to Ports135Part 4: Configure Trunks on S1, S2, and S3136Part 5: Reconfigure trunk on S3138Part 6: Verify end to end connectivity138Script138Switch S1138Switch S2139Switch S31393.6.1 Packet Tracer—Implement VLANs and Trunking(Instructor Version)141Addressing Table141Objectives141Background141Instructions141Part 1: Configure VLANs141Part 2: Assign Ports to VLANs142Part 3: Configure Static Trunking142Part 4: Configure Dynamic Trunking142Answer Scripts142Switch SWA142Switch SWB143Switch SWC1443.6.2 Lab—Implement VLANs and Trunking (Instructor Version)145Topology145Addressing Table145VLAN Table145Objectives145Background / Scenario146Required Resources146Instructions146Part 1: Build the Network and Configure Basic Device Settings146Part 2: Create VLANs and Assign Switch Ports148Part 3: Configure an 802.1Q Trunk Between the Switches150Device Configs - Final151
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 12 preview imageSwitch S1151Switch S2155Chapter 4Inter-VLAN Routing161Study Guide162Inter-VLAN Routing Operation162What is Inter-VLAN Routing?162Legacy Inter-VLAN Routing162Router-on-a-Stick Inter-VLAN Routing162Inter-VLAN Routing on a Layer 3 Switch162Check Your Understanding—Inter-VLAN Routing Operation163Router-on-a-Stick Inter-VLAN Routing164Router-on-a-Stick Command Syntax164Router-on-a-Stick Configuration165Packet Tracer Exercise 4-1: Router-on-a-Stick Inter-VLAN RoutingConfiguration166Inter-VLAN Routing Using Layer 3 Switches166Layer 3 Switch Inter-VLAN Routing166Layer 3 Switch Configuration167Packet Tracer 4-2: Layer 3 Switch Inter-VLAN Routing Configuration168Troubleshoot Inter-VLAN Routing169Common Inter-VLAN Issues169Troubleshoot Router-on-a-Stick Inter-VLAN Routing170Troubleshoot Layer 3 Switch Inter-VLAN Routing171Check Your Understanding—Troubleshoot Inter-VLAN Routing174Labs and Activities175Command Reference1754.2.7 Packet Tracer—Configure Router-on-a-Stick Inter-VLAN Routing(Instructor Version)175Addressing Table175Objectives175Scenario176Instructions176Part 1: Add VLANs to a Switch176Part 2: Configure Subinterfaces177Part 3: Test Connectivity with Inter-VLAN Routing177Answer scripts178Switch S1178Router R11794.2.8 Lab—Configure Router-on-a-Stick Inter-VLAN Routing(Instructor Version)180Topology180Addressing Table180Contentsxiii
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 13 preview imagexivSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)VLAN Table180Objectives180Background / Scenario181Required Resources181Instructions182Part 1: Build the Network and Configure Basic Device Settings182Part 2: Create VLANs and Assign Switch Ports184Part 3: Configure an 802.1Q Trunk Between the Switches186Part 4: Configure Inter-VLAN Routing on the Router187Part 5: Verify Inter-VLAN Routing is Working188Router Interface Summary Table188Device Configs - Final189Switch S1189Switch S2193Router R11984.3.8 Packet Tracer—Configure Layer 3 Switching and Inter-VLAN Routing(Instructor Version)201Addressing Table201Objectives201Background / Scenario201Instructions202Part 1: Configure Layer 3 Switching202Part 2: Configure Inter-VLAN Routing202Part 3: Configure IPv6 Inter-VLAN Routing204Script205MLS205S12064.4.8 Packet Tracer—Troubleshoot Inter-VLAN Routing(Instructor Version)207Addressing Table207Objectives207Scenario207Instructions207Part 1: Locate the Network Problems207Part 2: Implement the Solutions208Part 3: Verify Network Connectivity2084.4.9 Lab—Troubleshoot Inter-VLAN Routing (Instructor Version)209Topology209Addressing Table209VLAN Table209Objectives209Background / Scenario210
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 14 preview imageRouter R1210Switch S1210Switch S2212Required Resources213Instructions213Part 1: Evaluate Network Operation213Part 2: Gather information, create an action plan, and implementcorrections214Router R1214Switch S1214Switch S2215Device Configuration - Final215Router R1215Switch S1217Switch S22214.5.1 Packet Tracer—Inter-VLAN Routing Challenge (Instructor Version)227Addressing Table227VLAN and Port Assignments Table227Scenario227Instructions227Answer Scripts228Switch S1228Router R12294.5.2 Lab—Implement Inter-VLAN Routing (Instructor Version)230Topology230Addressing Table230VLAN Table230Objectives230Background / Scenario231Required Resources231Instructions232Part 1: Build the Network and Configure Basic Device Settings232Part 2: Create VLANs and Assign Switch Ports234Part 3: Configure an 802.1Q Trunk Between the Switches236Part 4: Configure Inter-VLAN Routing on the Router237Part 5: Verify Inter-VLAN Routing is Working238Router Interface Summary Table239Device Configs - Final239Switch S1239Switch S2244Router R1248Contents xv
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 15 preview imagexviSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Chapter 5STP Concepts251Study Guide252Purpose of STP252Issues with Redundant Switch Links252Layer 2 Loops252Broadcast Storm252The Spanning-Tree Algorithm252Check Your Understanding—Purpose of STP253STP Operation253Steps to a Loop-Free Topology2531. Elect the Root Bridge2542. Elect the Root Ports2553. Elect Designated Ports2554. Elect Alternate (Blocked) Ports256Elect a Root Port from Multiple Equal-Cost Paths256STP Timers and Port States256Operational Details of Each Port State257Check Your Understanding—STP Operations258Evolution of STP259Different Versions of STP259RSTP Port States and Port Roles260PortFast and BPDU Guard260Check Your Understanding—Evolution of STP261Labs and Activities262Command Reference2625.1.9 Packet Tracer—Investigate STP Loop Prevention(Instructor Version)262Objectives262Background / Scenario262Instructions262Part 1: Observe a Converged Spanning-Tree Instance262Part 2: Observe spanning-tree convergence263Chapter 6EtherChannel265Study Guide266EtherChannel Operation266EtherChannel Advantages266Implementation Restrictions266PAgP and LACP Autonegotiation Protocols266Check Your Understanding—EtherChannel Operation268Configure EtherChannel269Configuration Guidelines269EtherChannel Configuration Steps269
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 16 preview imageEtherChannel Configuration Scenarios270Verify and Troubleshoot EtherChannel271Verify EtherChannel271Troubleshoot EtherChannel273Labs and Activities275Command Reference2756.2.4 Packet Tracer—Configure EtherChannel (Instructor Version)275Objectives275Background275Instructions276Part 1: Configure Basic Switch Settings276Part 2: Configure an EtherChannel with Cisco PAgP276Part 3: Configure an 802.3ad LACP EtherChannel278Part 4: Configure a Redundant EtherChannel Link279EtherChannel Configuration Guidelines and Restrictions280Answer Scripts281Switch S1281Switch S2282Switch S32826.3.4 Packet Tracer—Troubleshoot EtherChannel (Instructor Version)283Objectives283Background283Instructions284Part 1: Examine the Physical Layer and Correct Switch PortModeIssues284Part 2: Identify and Correct Port Channel Assignment Issues285Part 3: Identify and Correct Port Channel Protocol Issues285Answer Scripts286Switch S1286Switch S2286Switch S3287Switch S42876.4.1 Packet Tracer—Implement EtherChannel (Instructor Version)288Objectives288Background288Instructions288Part 1: Build the Network288Part 2: Configure EtherChannel289Answer Scripts290Switch SWA290Switch SWB290Switch SWC291Contentsxvii
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 17 preview imagexviiiSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)6.4.2 Lab—Implement EtherChannel (Instructor Version)292Topology292Addressing Table292VLAN Table292Objectives292Background / Scenario292Required Resources293Instructions293Part 1: Build the Network and Configure Basic DeviceSettings293Part 2: Create VLANs and Assign Switch Ports294Part 3: Configure 802.1Q trunks between the switches296Part 4: Implement and Verify an EtherChannel between the switches298Device Configs - Final300Switch S1300Switch S2304Chapter 7DHCPv4311Study Guide312DHCPv4 Concepts312DHCPv4 Operation312Check Your Understanding—DHCPv4 Concepts313Configure a Cisco IOS DHCPv4 Server313Steps to Configure a Cisco IOS DHCPv4 Server313DHCPv4 Relay316Other Service Broadcasts Relayed316Configure a DHCPv4 Client316Labs and Activities318Command Reference3187.2.10 Packet Tracer—Configure DHCPv4 (Instructor Version)319Addressing Table319Objectives319Scenario319Instructions319Part 1: Configure a Router as a DHCP Server319Part 2: Configure DHCP Relay320Part 3: Configure a Router as a DHCP Client321Part 4: Verify DHCP and Connectivity321Answer Scripts321Router R1321Router R2321Router R3322
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 18 preview image7.4.1 Packet Tracer—Implement DHCPv4 (Instructor Version)323Addressing Table323Objectives323Scenario323Instructions323Part 1: Configure a Router as a DHCP Server323Part 2: Configure DHCP Relay324Part 3: Configure R2 as a DHCP Client324Answer Scripts324Router R1324Router R2324Router R33257.4.2 Lab—Implement DHCPv4 (Instructor Version)326Topology326Addressing Table326VLAN Table326Objectives326Background / Scenario327Required Resources327Instructions327Part 1: Build the Network and Configure Basic Device Settings327Part 2: Configure and verify two DHCPv4 Servers on R1333Part 3: Configure and verify a DHCP Relay on R2334Device Configs - Final334Switch S1334Switch S2339Router R1342Router R2345Chapter 8SLAAC and DHCPv6349Study Guide350IPv6 GUA Assignment350IPv6 Host Configuration350IPv6 Host Link-Local Address350IPv6 GUA Assignment350Three RA Message Flags351Check Your Understanding—IPv6 GUA Assignment351SLAAC351Enabling SLAAC351SLAAC-Only Method351Host Process to Generate an Interface ID352Duplicate Address Detection352Check Your Understanding—SLAAC352Contentsxix
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 19 preview imagexxSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)DHCPv6353DHCPv6 Operation Steps353Stateless DHCPv6 Operation354Stateful DHCPv6 Operation354Check Your Understanding—DHCPv6355Configure DHCPv6 Server355Configure Stateless DHCPv6356Configure Stateful DHCPv6357Check Your Understanding—Configure DHCPv6 Server357Labs and Activities359Command Reference3598.5.1 Lab—Configure DHCPv6 (Instructor Version)359Topology359Addressing Table360Objectives360Background / Scenario360Required Resources361Instructions361Part 1: Build the Network and Configure Basic Device Settings361Part 2: Verify SLAAC Address Assignment from R1364Part 3: Configure and Verify a DHCPv6 Server on R1364Part 4: Configure a Stateful DHCPv6 Server on R1366Part 5: Configure and Verify DHCPv6 Relay on R2367Device Configs - Final369Switch S1369Switch S2371Router R1374Router R2377Chapter 9FHRP Concepts379Study Guide380First Hop Redundancy Protocols380Default Gateway Limitations380Router Redundancy380FHRP Options380Check Your Understanding—First Hop Redundancy Protocols381HSRP382HSRP Priority and Preemption382HSRP States and Timers383Check Your Understanding—HSRP384Labs and Activities385Command Reference385
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 20 preview image9.3.3 Packet Tracer—HSRP Configuration Guide (Instructor Version)385Addressing Table385Objectives386Background / Scenario386Instructions386Part 1: Verify Connectivity386Part 2: Configure HSRP Active and Standby Routers387Part 3: Observe HSRP Operation390Answer Scripts391Router R1391Router R3391Switch S1391Switch S3391PC-A and PC-B391Chapter 10LAN Security Concepts393Study Guide394Endpoint Security394Network Security Devices394Check Your Understanding—Endpoint Security394Access Control395Authentication with a Local Password395AAA Components395Authentication396Authorization396Accounting396802.1X396Check Your Understanding—Access Control396Layer 2 Security Threats397Switch Attack Categories397Switch Attack Mitigation Techniques398Check Your Understanding—Layer 2 Security Threats398MAC Address Table Attack399Check Your Understanding—MAC Address Table Attacks399LAN Attacks400VLAN Hopping Attacks400VLAN Double-Tagging Attack400DHCP Attacks400ARP Attacks400Address Spoofing Attack400STP Attack401CDP Reconnaissance401Contents xxi
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 21 preview imagexxiiSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Check Your Understanding—LAN Attacks401Labs and Activities403Chapter 11Switch Security Configuration405Study Guide406Implement Port Security406Secure Unused Ports406Enable Port Security406Ports in error-disabled State407Verify Port Security407Mitigate VLAN Attacks409VLAN Attacks Review409Steps to Mitigate VLAN Hopping Attacks409Mitigate DHCP Attacks409DHCP Attack Review410DHCP Snooping410Steps to Implement DHCP Snooping410Mitigate ARP Attacks411Dynamic ARP Inspection411Configure DAI411Mitigate STP Attacks411PortFast and BPDU Guard412Configure PortFast and BPDU Guard412Labs and Activities413Command Reference41311.1.10 Packet Tracer—Implement Port Security (Instructor Version)414Addressing Table414Objective414Background41411.6.1 Packet Tracer—Switch Security Configuration (InstructorVersion)416VLAN Table416Objectives416Background416Instructions416SW1 Configurations417SW-2 Configuration41811.6.2 Lab—Switch Security Configuration (Instructor Version)419Topology419Addressing Table419Objectives419Background / Scenario420
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 22 preview imageRequired Resources420Instructions420Part 1: Configure the Network Devices420Part 2: Configure VLANs on Switches422Part 3: Configure Switch Security423Reflection Questions429Device Configurations - Final429Switch S1429Switch S2433Chapter 12WLAN Concepts439Study Guide440Introduction to Wireless440Wireless Terminology440Check Your Understanding—Introduction to Wireless441WLAN Components441WLAN Component Terminology442Check Your Understanding—WLAN Components442WLAN Operation443WLAN Operation Terminology443Check Your Understanding—WLAN Operation444CAPWAP Operation445CAPWAP Review445Split MAC Architecture445Check Your Understanding—CAPWAP Operation446Channel Management447Frequency Channel Saturation447Channel Selection448Check Your Understanding—Channel Management448WLAN Threats449DoS Attacks449Rogue Access Points449Man-in-the-Middle Attack449Check Your Understanding—WLAN Threats450Secure WLANs450SSID Cloaking and MAC Address Filtering450Open and Shared Key Authentication Methods450Authentication in the Enterprise451WPA3451Check Your Understanding—Secure WLANs452Labs and Activities453Contentsxxiii
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 23 preview imagexxivSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Chapter 13WLAN Configuration455Study Guide456Remote Site WLAN Configuration456Video—Configure a Wireless Network456The Wireless Router456Basic Network Setup456Basic Wireless Setup457Other Services Provided by a Wireless Router458Configure a Basic WLAN on the WLC458Video—Configure a Basic WLAN on the WLC458Overview of the Cisco 3504 Wireless Controller459Basic WLAN Configuration Steps on the WLC460Configure a WPA2 Enterprise WLAN on the WLC463Video—Define an SNMP and RADIUS Server on the WLC463Configure SNMP and RADIUS Servers463Video—Configure a VLAN for a New WLAN465Configure a New Interface465Video—Configure a DHCP Scope467Configure a DHCP Scope467Video—Configure a WPA2 Enterprise WLAN469Configure a WPA2-Enterprise WLAN469Troubleshoot WLAN Issues471Troubleshooting Approaches471Wireless Client Not Connecting472Troubleshooting When the Network Is Slow473Labs and Activities47413.1.10 Packet Tracer—Configure a Wireless Network(Instructor Version)474Objectives474Introduction474Instructions474Part 1: Connect to a Wireless Router474Part 2: Configure the Wireless Settings476Part 3: Connect Wireless Clients to an Access Point477Part 4: Other Administrative Tasks47713.1.11 Lab—Configure a Wireless Network (Instructor Version)479Introduction479Recommended Equipment479Instructions479Part 1: Log into the Wireless Router479Part 2: Configure Basic Wireless Settings481Part 3: Connect a Wireless Client482
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 24 preview imagePart 4: Connect an Access Point (Optional)482Part 5: Reset to the original configuration48413.2.7 Packet Tracer—Configure a Basic WLAN onthe WLC(Instructor Version)485Addressing Table485Objectives485Background / Scenario485Instructions486Part 1: Monitor the WLC486Part 2: Create a Wireless LAN486Part 3: Connect a Host to the WLAN48813.3.12 Packet Tracer—Configure a WPA2 Enterprise WLAN on the WLC(Instructor Version)489Addressing Table489Objectives489Background / Scenario489Instructions490Part 1: Create a new WLAN490Part 2: Configure a DHCP Scope and SNMP492Part 3: Connect Hosts to the Network494Reflection Questions49513.4.5 Packet Tracer—Troubleshoot WLAN Issues (Instructor Version)496Addressing Table496WLAN Information496Objectives496Background / Scenario497Instructions497Part 1: Troubleshoot the Network497Part 2: Fix Issues49813.5.1 Packet Tracer—WLAN Configuration (Instructor Version)499Addressing Table499WLAN Information499Objectives499Background / Scenario500Instructions500Part 1: Configure a Home Wireless Router500Part 2: Configure a WLC Controller Network501Chapter 14Routing Concepts503Study Guide504Path Determination504Two Functions of a Router504Best Path Equals Longest Match504Contents xxv
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 25 preview imagexxviSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Build the Routing Table505Check Your Understanding—Path Determination505Packet Forwarding506Packet Forwarding Decision Process506End-to-End Packet Forwarding506Packet Forwarding Mechanisms508Check Your Understanding—Packet Forwarding511Basic Router Configuration Review512Configure and Verify Dual Stack IPv4 and IPv6 Addressing512Packet Tracer Exercise 14-1: Dual Stack Addressing513Verify Connectivity of Directly Connected Networks514Filter Command Output516IP Routing Table517Routing Table Principles517Routing Table Entries517Administrative Distance Exercise518Check Your Understanding—IP Routing Table519Static and Dynamic Routing520Static or Dynamic?520Dynamic Routing Protocol Concepts521Check Your Understanding—Dynamic and Static Routing521Labs and Activities523Command Reference52314.3.5 Packet Tracer—Basic Router Configuration Review(Instructor Version)524Addressing Table524Objectives524Background / Scenario525Instructions525Part 1: Configure Devices and Verify Connectivity525Part 2: Display Router Information528Answer Scripts533Router R2533Chapter 15IP Static Routing535Study Guide536Static Routes536Types of Static Routes536IPv4 Static Route Command536IPv6 Static Route Command537Check Your Understanding—Static Routes537Configure IP Static Route Types538
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 26 preview imageConfigure Static and Default Routes538Configure Floating Static Routes540Configure Static Host Routes540Packet Tracer Exercise 15-1: Configure Static and Default Routes542Labs and Activities543Command Reference54315.6.1 Packet Tracer—Configure IPv4 and IPv6 Static and Default Routes(Instructor Version)544Addressing Table544Objectives544Background / Scenario545Instructions545Part 1: Configure IPv4 Static and Floating Static Default Routes545Part 2: Configure IPv6 Static and Floating Static Default Routes545Part 3: Configure IPv4 Static and Floating Static Routes to the InternalLANs545Part 4: Configure IPv6 Static and Floating Static Routes to the InternalLANs546Part 5: Configure Host Routes546Answer Scripts547Router Edge_Router547Router ISP154715.6.2 Lab—Configure IPv4 and IPv6 Static and Default Routes(Instructor Version)548Topology548Addressing Table548Objectives549Background / Scenario549Required Resources549Instructions550Part 1: Build the Network and Configure Basic Device Settings550Part 2: Configure and verify IPv4 and IPv6 addressing on R1and R2552Part 3: Configure and verify static and default routing for IPv4 on R1 andR2554Part 4: Configure and verify static and default routing for IPv6 on R1 andR2557Router Interface Summary Table559Device Configs - Final559Router R1559Router R2561Switch S1563Switch S2566Contentsxxvii
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 27 preview imagexxviiiSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)Chapter 16Troubleshoot Static and Default Routes571Study Guide572Packet Processing with Static Routes572Check Your Understanding—Packet Processing with Static Routes573Troubleshoot IPv4 Static and Default Route Configuration573Packet Tracer Exercise 16-1: Troubleshoot IPv4 Static andDefaultRoutes574Labs and Activities57516.3.1 Packet Tracer—Troubleshoot Static andDefault Routes(Instructor Version)575Addressing Table575Objectives575Background / Scenario576Instructions576Answer Configurations576Router R1576Router R2577Router R357716.3.2 Lab—Troubleshoot IPv4 and IPv6 Static and Default Routers(Instructor Version)578Topology578Addressing Table578Objectives578Background / Scenario579Router R1579Router R2579Switch S1580Switch S2580Required Resources581Instructions581Part 1: Evaluate Network Operation581Part 2: Gather information, create an action plan,and implement corrections581Router R1582Router R2582Router Interface Summary Table582Final Configuration583Router R1583Router R2583Switch S1584Switch S2584
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 28 preview imagexxixCommand Syntax ConventionsThe conventions used to present command syntax in this book are the same conventions usedin the IOS Command Reference. The Command Reference describes these conventions asfollows:■■Boldfaceindicates commands and keywords that are entered literally as shown. In actualconfiguration examples and output (not general command syntax), boldface indicatescommands that are manually input by the user (such as ashowcommand).■■Italicindicates arguments for which you supply actual values.■■Vertical bars (|) separate alternative, mutually exclusive elements.■■Square brackets ([ ]) indicate an optional element.■■Braces ({ }) indicate a required choice.■■Braces within brackets ([{ }]) indicate a required choice within an optional element.
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 29 preview imagexxxSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)IntroductionThis book supports instructors and students in Cisco Networking Academy, an IT skills andcareer building program for learning institutions and individuals worldwide. Cisco NetworkingAcademy provides a variety of curricula choices, including the very popular Cisco CertifiedNetwork Associate (CCNA) curriculum. It includes three courses oriented around the topics ofCCNA certifications.Switching, Routing, and Wireless Essentials Labs and Study Guide is a supplement to yourclassroom and laboratory experience with the Cisco Networking Academy. To be successfulon the exam and achieve your CCNA certification, you should do everything in your power toarm yourself with a variety of tools and training materials to support your learning efforts. Thisbook provides just such a collection of tools. Used to its fullest extent, it will help you gainthe knowledge as well as practice the skills associated with the content area of the Switching,Routing, and Wireless Essentials v7 course. Specifically, this book will help you work on thesemain areas:■■Configure devices using security best practices.■■Explain how Layer 2 switches forward data.■■Implement VLANs and trunking in a switched network.■■Troubleshoot inter-VLAN routing on Layer 3 devices.■■Explain how STP enables redundancy in a Layer 2 network.■■Troubleshoot EtherChannel on switched links.■■Implement DHCPv4 to operate across multiple LANs.■■Configure dynamic address allocation in IPv6 networks.■■Explain how FHRPs provide default gateway services in a redundant network.■■Explain how vulnerabilities compromise LAN security.■■Implement switch security to mitigate LAN attacks.■■Explain how WLANs enable network connectivity.■■Implement a WLAN using a wireless router and WLC.■■Explain how routers use information in packets to make forwarding decisions.■■Configure IPv4 and IPv6 static routes.■■Troubleshoot static and default route configurations.Labs and Study Guides similar to this one are also available for the other two courses:Introduction to Networks Labs and Study Guide and Enterprise Networking, Security, andAutomation Labs and Study Guide.Who Should Read This BookThis book’s main audience is anyone taking the Switching, Routing, and Wireless Essentialscourse of the Cisco Networking Academy curriculum. Many Academies use this Labs andStudy Guide as a required tool in the course, whereas other Academies recommend the Labsand Study Guide as an additional resource to prepare for class exams and the CCNA certi-fication. The secondary audience for this book is people taking CCNA-related classes from
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 30 preview imageprofessional training organizations. This book can also be used for college- and university-levelnetworking courses, as well as anyone wanting to gain a detailed understanding of routing.However, the reader should know that the content of this book tightly aligns with the CiscoNetworking Academy course. It may not be possible to complete some of the Study Guidesections and Labs without access to the online course. Fortunately, you can purchase theSwitching, Routing, and Wireless Essentials v7.0 Companion Guide (ISBN: 9780136729358).Goals and MethodsThe most important goal of this book is to help you pass the 200-301 Cisco Certified NetworkAssociate exam, which is associated with the Cisco Certified Network Associate (CCNA)certification. Passing the CCNA exam shows that you have the knowledge and skills requiredto manage a small enterprise network. You can view the detailed exam topics online, at http://learningnetwork.cisco.com. They are divided into six broad categories:■■Network Fundamentals■■Network Access■■IP Connectivity■■IP Services■■Security Fundamentals■■Automation and ProgrammabilityThe Introduction to Networks v7 course covers introductory material in the first fivebullets. The next two courses, Switching, Routing, and Wireless Essentials v7 and EnterpriseNetworking, Security, and Automation v7, cover the material in more detail. Each chapter ofthis book is divided into a “Study Guide” section followed by a “Labs and Activities” section.The “Study Guide” section offers exercises that help you learn the concepts, configurations,and troubleshooting skills crucial to your success as a CCNA exam candidate. Each chapter isslightly different and includes some or all of the following types of exercises:■■Concept question exercises■■Skill-building activities and scenarios■■Configuration scenarios■■Packet Tracer exercises■■Troubleshooting scenariosThe “Labs and Activities” sections include all the online course labs and Packet Tracer activityinstructions. In some chapters, this section begins with a Command Reference that you willcomplete to show that you understand all the commands introduced in the chapter.Packet Tracer and Companion WebsiteThis book includes the instructions for all the Packet Tracer activities in the online course. Youneed to be enrolled in the Introduction to Networks v7 course to access these Packet Tracer files.Nine Packet Tracer activities have been created exclusively for this book. You can access theseunique Packet Tracer files at this book’s companion website.Introductionxxxi
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Lecture Notes for CCNA 2 v7 Labs and Study Guide - Page 31 preview imagexxxiiSwitching,Routing,andWirelessEssentialsLabsandStudyGuide(CCNAv7)To get your copy of Packet Tracer software and the nine unique files for this book, please go tothe companion website for instructions. To access this companion website, follow these steps:Step 1.Go to www.ciscopress.com/register and log in or create a new account.Step 2.Enter the ISBN: 9780136634386.Step 3.Answer the challenge question as proof of purchase.Step 4.Click on the Access Bonus Content link in the Registered Products section of youraccount page to be taken to the page where your downloadable content is available.How This Book Is OrganizedThis book corresponds closely to the Cisco Networking Academy Switching, Routing,andWireless Essentials v7 course and is divided into 16 chapters:■■Chapter 1, “Basic Device Configuration”:This chapter explains how to configuredevices using security best practices. It includes initial switch and router configuration,switch port configuration, remote access configuration, and verification of connectivitybetween two networks.■■Chapter 2, “Switching Concepts”:This chapter explains how switches forward data.Itincludes frame forwarding methods and collision and broadcast domain comparison.■■Chapter 3, “VLANs”:This chapter explains how to implement VLANs and trunk-ing in a switched network. It includes an explanation of the purpose of VLANs, howVLANs forward frames in a multi-switched environment, VLAN port assignments, trunkconfiguration, and DTP configuration.■■Chapter 4, “Inter-VLAN Routing”:This chapter explains how to implement inter-VLANrouting. It includes a description of inter-VLAN routing options, router-on-a-stickconfiguration, Layer 3 switch inter-VLAN routing, and troubleshooting of commoninter-VLAN routing configuration issues.■■Chapter 5, “STP Concepts”:This chapter explains how STP enables redundancy in aLayer 3 network. It includes an explanation of common problems in redundant Layer 2networks, STP operation, and Rapid PVST+ operation.■■Chapter 6, “EtherChannel”:This chapter explains how to implement EtherChannelon switched links. It includes a description of EtherChannel technology, EtherChannelconfiguration, and EtherChannel troubleshooting.■■Chapter 7, “DHCPv4”:This chapter explains how to implement DHCPv4 for multipleLANs. It includes an explanation of DHCPv4 operation and how to configure a router asa DHCPv4 server or DHCPv4 client.■■Chapter 8, “SLAAC and DHCPv6”:This chapter explains how to implement dynamicaddress allocation in an IPv6 network. It includes an explanation of how an IPv6 hostacquires its addressing, SLAAC operation, DHCPv6 operation, and how to configure arouter as a stateful or stateless DHCPv6 server.■■Chapter 9, “FHRP Concepts”:This chapter explains how FHRPs provide defaultgateway services in a redundant network. It includes an explanation of the purpose ofFHRPs and HSRP operation.■■Chapter 10, “LAN Security Concepts”: This chapter explains how vulnerabilitiescompromise LAN security. It includes an explanation of how to use endpoint security,
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