Lecture Notes for CCNP Enterprise: Core Networking (ENCOR) v8 Lab Manual, 2nd Edition

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CCNP Enterprise: CoreNetworking (ENCOR) Lab ManualVersion 8Instructor’s Answer KeyCisco Networking Academy

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ivCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8ContentsChapter 1Packet Forwarding11.1.2 Lab - Implement Inter-VLAN Routing (Instructor Version)1Topology1Addressing Table1Objectives2Background/Scenario2Required Resources2Instructions2Part 1: Build the Network and Configure Basic Device Settings2Part 2: Configure and Verify Inter-VLAN Routing on a Layer 3Switch4Part 3: Configure and Verify Router-based Inter-VLAN Routing6Part 4: Examine CAM and CEF Details8Router Interface Summary Table10Device Configs - Final11Router R111Router R313Switch D115Switch D220Chapter 2Spanning Tree Protocol252.1.2 Lab - Observe STP Topology Changes and Implement RSTP (InstructorVersion)25Topology25Addressing Table25Objectives25Background/Scenario25Required Resources26Instructions26Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing26Part 2: Discover the Default Spanning Tree28Part 3: Implement and Observe Rapid Spanning Tree Protocol33Device Configs - Final35Switch D135Switch D239Switch A144

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vChapter 3Advanced Spanning Tree Tuning473.1.2 Lab - Implement Advanced STP Modifications and Mechanisms(Instructor Version)47Topology47Addressing Table47Objectives47Background/Scenario48Required Resources48Instructions48Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing48Part 2: Implement and Observe Various Topology Tuning Methods51Part 3: Implement and Observe Various Topology ProtectionMechanisms59Device Configs - Final67Switch D167Switch D272Switch A176Chapter 4Multiple Spanning Tree Protocol814.1.2 Lab - Implement MST (Instructor Version)81Topology81Objectives81Background/Scenario81Required Resources82Instructions82Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing82Part 2: Implement and Observe MST84Part 3: Configure, Tune and Verify Basic MST Operation86Device Configs - Final94Switch D194Switch D299Switch A1104Chapter 5VLAN Trunks and EtherChannel Bundles1075.1.2 Lab - Implement VTP (Instructor Version)107Topology107Objectives107Background/Scenario107Required Resources109Instructions109Part 1: Build the Network, Configure Basic Device Settings andInterface Addressing109

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viCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Part 2: Implement and Observe a VTPv2 Domain.110Part 3: Implement and Observe a VTPv3 Domain117Device Configs - Final122Switch D1122Switch D2127Switch A11325.1.3 Lab - Implement EtherChannel (Instructor Version)135Topology135Objectives135Background/Scenario135Required Resources136Instructions136Part 1: Build the Network and Explore Dynamic TrunkingProtocol136Part 2: Configure Static EtherChannel140Part 3: Implement EtherChannel Using PAgP142Part 4: Implement EtherChannel using LACP144Device Configs - Final146Switch D1146Switch D2151Switch A11565.1.4 Lab - Tune and Optimize EtherChannel Operations (InstructorVersion)161Topology161Objectives161Background/Scenario161Required Resources161Part 1: Build the Network and Configure Basic Device Settings162Part 2: Tune LACP-based EtherChannels163Part 3: Explore EtherChannel Load Balancing165Switch D1165Switch D2170Chapter 6IP Routing Essentials1776.1.2 Lab - Investigate Static Routes (Instructor Version)177Topology177Addressing Table177Objectives178Background/Scenario178Required Resources178Instructions178Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing178Part 2: Configure and Investigate IPv4 Static Routes181

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viiPart 3: Configure and Investigate IPv6 Static Routes187Part 4: Complete Static Routing Challenge190Router Interface Summary Table192Device Configs - Final193Router R1193Router R2195Router R31976.1.3 Lab - Implement VRF-Lite (Instructor Version)200Topology200Addressing Table200Objectives201Background/Scenario201Required Resources201Part 1: Build the Network and Configure Basic Device Settings201Part 2: Configure and Verify VRF and Interface Addressing206Part 3: Configure and Verify Static Routing for Reachability InsideEach VRF208Router Interface Summary Table211Device Configs - Final211Router R1211Router R2214Router R3216Switch D1218Switch D2223Switch A1228Chapter 7EIGRP233There are no labs in this chapterChapter 8OSPF2358.1.2 Lab - Implement Single-Area OSPFv2 (Instructor Version)235Topology235Addressing Table235Objectives236Background/Scenario236Required Resources236Instructions237Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing237Part 2: Configure Single-Area OSPFv2239Part 3: Configure and Verify the Advertising of a Default Route246Part 4: Implement OSPF Network Optimizing Features247Part 5: DR and BDR Placement253

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viiiCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Router Interface Summary Table256Device Configs - Final256Router R1256Switch D1258Switch D2262Chapter 9Advanced OSPF2679.1.2 Lab - Implement Multiarea OSPFv2 (Instructor Version)267Topology267Addressing Table267Objectives268Background/Scenario268Required Resources268Instructions269Part 1: Build the Network and Configure Basic Device Settings and InterfaceAddressing269Part 2: Configure Multiarea OSPFv2271Part 3: Exploring Link-State Announcements285Router Interface Summary Table293Device Configs - Final293Router R1293Router R2295Router R3297Switch D1298Switch D23039.1.3 Lab - OSPFv2 Route Summarization and Filtering (Instructor Version)308Topology308Addressing Table308Objectives309Background/Scenario309Required Resources310Instructions310Part 1: Build the Network, Configure Basic Device Settings and Routing310Part 2: OSPFv2 Route Summarization318Part 3: OSPFv2 Route Filtering322Router Interface Summary Table325Device Configs – Final325Router R1325Router R2327Router R3329Switch D1331Switch D2335

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ixChapter 10OSPFv334110.1.2 Lab - Implement Multiarea OSPFv3 (Instructor Version)341Topology341Addressing Table341Objectives342Background/Scenario342Required Resources342Instructions343Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing343Part 2: Configure Traditional OSPFv3 for IPv6 on D1345Part 3: Configure OSPFv3 for AF IPv4 and AF IPv6347Part 4: Verify OSPFv3351Part 5: Tune OSPFv3357Router Interface Summary Table359Device Configs - Final360Router R1360Router R2362Router R3364Switch D1366Switch D2370Chapter 11BGP37711.1.2 Lab - Implement eBGP for IPv4 (Instructor Version)377Topology377Addressing Table377Objectives378Background/Scenario378Required Resources378Instructions378Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing378Part 2: Configure and Verify eBGP for IPv4 on all Routers380Part 3: Configure and Verify Route Summarization and AtomicAggregate387Part 4: Configure and Verify Route Summarization with AtomicAggregate and AS-Set390Part 5: Configure and Verify the Advertising of a Default Route392Router Interface Summary Table392Device Configs - Final393Router R1393Router R2395Router R3397

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xCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 811.1.3 Lab - Implement MP-BGP (Instructor Version)400Topology400Addressing Table400Objectives400Background/Scenario401Required Resources401Instructions401Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing401Part 2: Configure MP-BGP on all Routers403Part 3: Verify MP-BGP406Part 4: Configure and Verify IPv6 Route Summarization412Router Interface Summary Table414Device Configs - Final414Router R1414Router R2417Router R3419Chapter 12Advanced BGP42312.1.2 Lab - Implement BGP Path Manipulation (Instructor Version)423Topology423Addressing Table423Objectives424Background/Scenario424Required Resources424Instructions424Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing424Part 2: Configure and Verify Multi-Protocol BGP on all Routers427Part 3: Configure and Verify BGP Path Manipulation Settings on allRouters431Router Interface Summary Table437Device Configs - Final437Router R1437Router R2440Router R344212.1.3 Lab - Implement BGP Communities (Instructor Version)446Topology446Addressing Table446Objectives447Background/Scenario447Required Resources447

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xiInstructions447Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing447Part 2: Configure and Verify Multi-Protocol BGP on all Routers450Part 3: Configure and Verify BGP Communities on all Routers455Reflection Questions461Router Interface Summary Table461Device Configs - Final462Router R1462Router R2465Router R3467Chapter 13Multicast471There are no labs in this chapterChapter 14QoS473There are no labs in this chapterChapter 15IP Services47515.1.2 Lab - Implement NTP (Instructor Version)475Topology475Addressing Table475Objectives475Background/Scenario476Required Resources477Instructions477Part 1: Build the Network, Configure Basic Device Settings andRouting477Part 2: Configure NTP in a P2P Network480Part 3: Configure NTP in a Multiaccess Broadcast Network485Router Interface Summary Table488Device Configs – Final488Router R1488Router R2490Router R3492Switch D1493Switch D2497Switch A150215.1.3 Lab - Implement HSRP (Instructor Version)505Topology505Addressing Table505Objectives506Background/Scenario506Required Resources506

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xiiCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Instructions507Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing507Part 2: Configure and Observe HSRP for IPv4 and IPv6510Part 3: Configure and Observe HSRP Authentication513Part 4: Configure and Observe HSRP Object Tracking515Device Configs - Final517Switch D1517Switch D2523Switch A152915.1.4 Lab - Implement VRRP (Instructor Version)533Topology533Addressing Table533Objectives534Background/Scenario534Required Resources535Instructions535Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing535Part 2: Configure and Observe VRRP for IPv4 and IPv6538Part 3: Configure and Observe VRRP Object Tracking542Device Configs - Final544Switch D1544Switch D2550Switch A155615.1.5 Lab - Implement GLBP (Instructor Version)560Topology560Addressing Table560Objectives561Background/Scenario561Required Resources561Instructions562Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing562Part 2: Configure and Observe GLBP for IPv4 and IPv6565Part 3: Configure and Observe GLBP Authentication569Part 4: Configure and Observe GLBP Object Tracking570Device Configs - Final574Switch D1574Switch D2580Switch A1585

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xiii15.1.6 Lab - Implement NAT (Instructor Version)590Topology590Addressing Table590Objectives590Background/Scenario591Required Resources591Instructions591Part 1: Build the Network and Configure Basic Device Settings591Part 2: Configure and Verify Static Inside NAT594Part 3: Configure and Verify Pooled NAT596Part 4: Configure and Verify NAT Overload598Router Interface Summary Table599Device Configs - Final599Router R1599Router R2601Router R3603Switch D1604Switch D2609Chapter 16Overlay Tunnels61516.1.2 Lab - Implement a GRE Tunnel (Instructor Version)615Topology615Addressing Table615Objectives615Background/Scenario616Required Resources616Instructions616Part 1: Build the Network and Configure Basic Device Settings616Part 2: Configure and Verify GRE Tunnels with Static Routing619Part 3: Configure and Verify GRE Tunnels with Dynamic Routing622Part 4: Examine the Recursive Routing Problem with GRE626Router Interface Summary Table627Device Configs - Final628Router R1628Router R2630Router R363216.1.3 Lab - Implement IPsec Site-to-Site VPNs (Instructor Version)636Topology636Addressing Table636Objectives637Background/Scenario637Required Resources638

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xivCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Instructions638Part 1: Build the Network, Configure Basic Device Settings and StaticRouting638Part 2: Configure a Site-to-Site VPN using Crypto Maps Between R1and R3644Part 3: Verify a Site-to-Site VPN Between R1 and R3651Router Interface Summary Table657Device Configs – Final657Router R1657Router R2659Router R3661Layer 3 Switch D1663Layer 3 Switch D366816.1.4 Lab - Implement GRE over IPsec Site-to-Site VPNs (InstructorVersion)675Topology675Addressing Table675Objectives676Background/Scenario676Required Resources677Instructions677Part 1: Build the Network, Configure Basic Device Settings and StaticRouting677Part 2: Configure GRE over IPsec using a Crypto Map on R1683Part 3: Configure GRE over IPsec using a Tunnel IPsec Profileon R3685Part 4: Verify the GRE over IPsec Tunnel on R1 and R3687Router Interface Summary Table691Device Configs – Final692Router R1692Router R2694Router R3696Switch D1698Switch D370316.1.5 Lab - Implement IPsec VTI Site-to-Site VPNs (Instructor Version)709Topology709Addressing Table709Objectives710Background/Scenario710Required Resources711

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xvInstructions711Part 1: Build the Network, Configure Basic Device Settings and StaticRouting711Part 2: Configure Static IPsec VTI on R1 and R3717Part 3: Verify Static IPsec VTI on R1 and R3720Router Interface Summary Table724Device Configs – Final725Router R1725Router R2727Router R3729Switch D1731Switch D3737Chapter 17Wireless Signals and Modulation745There are no labs in this chapterChapter 18Wireless Infrastructure747There are no labs in this chapterChapter 19Understanding Wireless Roaming and Location Services749There are no labs in this chapterChapter 20Authenticating Wireless Clients751There are no labs in this chapterChapter 21Troubleshooting Wireless Connectivity753There are no labs in this chapterChapter 22Enterprise Network Architecture755There are no labs in this chapterChapter 23Fabric Technologies757There are no labs in this chapterChapter 24Network Assurance75924.1.2 Lab - Use Connectivity Tests and Debug for Network Assurance(Instructor Version)759Topology759Addressing Table759Objectives760Background/Scenario760Required Resources760Instructions760Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing760Part 2: Explore Ping Options and Extended Ping Commands764

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xviCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Part 3: Explore Traceroute Options and Extended TracerouteCommands769Part 4: Explore Common Debug Commands and ConditionalDebugging771Part 5: Troubleshoot OSPF with Debugging774Router Interface Summary Table777Device Configs – Final777Router R1777Router R2779Router R378124.1.3 Lab - Implement SNMP and Syslog (Instructor Version)784Topology784Addressing Table784Objectives784Background/Scenario785Required Resources785Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing785Part 2: Configure and Verify SNMP788Part 3: Configure and Verify Syslog790Router Interface Summary Table794Device Configs – Final794Router R1794Switch D1800Switch A180724.1.4 Lab - Implement Flexible Netflow (Instructor Version)812Topology812Addressing Table812Objectives812Background/Scenario812Required Resources813Instructions813Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing813Part 2: Configure and Verify Flexible Netflow816Part 3: (Optional) Configure and Verify Netflow820Router Interface Summary Table823Device Configs – Final823Router R1823Switch D1826Switch A1831

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xvii24.1.5 Lab - Implement SPAN Technologies (Instructor Version)835Topology835Addressing Table835Objectives835Background/Scenario836Required Resources836Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing836Part 2: Configure and Verify Local SPAN839Part 3: Configure and Verify RSPAN840Device Configs – Final842Switch D1842Switch A184724.1.6 Lab - Implement IP SLA (Instructor Version)851Topology851Addressing Table851Objectives852Background/Scenario852Required Resources853Instructions853Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing853Part 2: Configure and Observe IP SLA Operations861Part 3: Configure and Observe HSRP IP SLA Tracking864Router Interface Summary Table866Device Configs - Final866Router R1866Router R2868Router R3870Switch D1872Switch D2879Switch A1886Chapter 25Secure Network Access Control89125.1.2 Lab - Install the CCNP Virtual Machine (Instructor Version)891Objectives891Background/Scenario891Required Resources891Instructions891Part 1: Prepare a Computer for Virtualization891Part 2: Configure Your Network and Explore the GUI892

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xviiiCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Chapter 26Network Device Access Control and Infrastructure Security89526.1.2 Lab - Implement IPv4 ACLs (Instructor Version)895Topology895Addressing Table895Objectives896Background/Scenario896Required Resources896Instructions897Part 1: Build the Network and Configure Basic Device Settings897Part 2: Verify Initial Connectivity900Part 3: Implement Standard ACLs on R3900Part 4: Implement a Named Extended ACL from Area 1 to Area 2902Part 5: Implement a Named Extended ACL from Area 2 to Area 1904Part 6: Implement a Port ACL on D2905Part 7: Implement a VLAN ACL on D2906Router Interface Summary Table908Device Configs – Final908Router R1908Router R3911Switch D1913Switch D2917Switch A192226.1.3 Lab - Configure Protections for Passwords and Terminal Lines(Instructor Version)926Topology926Addressing Table926Objectives926Background/Scenario926Required Resources927Part 1: Build the Network and Configure Basic Device Settings927Part 2: Explore Password Protection Options929Part 3: Configure and Verify Terminal Line Protection Options932Reflection Questions935Router Interface Summary Table935Device Configs936Router R1936Switch D1938Switch A194326.1.4 Lab - Configure Local and Server-Based AAA Authentication (InstructorVersion)947Topology947Addressing Table947Objectives947

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xixBackground/Scenario947Required Resources948Part 1: Build the Network and Configure Basic Device Settings andInterface Addressing948Part 2: Configure Local AAA Authentication950Part 3: Configure Server-Based AAA using RADIUS on A1953Part 4: Configure Server-Based AAA using TACACS+ on D1955Router Interface Summary Table958Device Configs958Router R1958Switch D1960Switch A196526.1.5 Lab - Implement CoPP (Instructor Version)969Topology969Addressing Table969Objectives969Background/Scenario969Required Resources970Part 1: Build the Network and Configure Basic Device Settings970Part 2: Verify Initial Connectivity972Part 3: Implement a CoPP Policy on R1972Part 4: Verify the CoPP Policy on R1.975Part 5: (Challenge) Further Classify Default Traffic980Reflection Questions981Router Interface Summary Table981Device Configs981Router R1981Router R2984Switch A1986Chapter 27Virtualization991There are no labs in this chapterChapter 28Foundational Network Programmability Concepts99328.1.2 Lab - Construct a Basic Python Script (Instructor Version)993Objectives993Background/Scenario993Required Resources993Instructions993Part 1: Explore the Python Interpreter993Part 2: Explore Data Types, Variables, and Conversions996Part 3: Explore Lists and Dictionaries998Part 4: Explore User Input1000

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xxCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Part 5: Explore If Functions and Loops1001Part 6: Explore File Access100528.1.3 Lab - Use the Netmiko Python Module to Configure a Router (InstructorVersion)1009Topology1009Addressing Table1009Objectives1009Background/Scenario1009Required Resources1009Instructions1010Part 1: Build the Network and Verify Connectivity1010Part 2: Import Netmiko Python Module1012Part 3: Use Netmiko to Connect to the SSH Service1012Part 4: Use Netmiko to Send a Verification Command1013Part 5: Use Netmiko to Send and Verify a Configuration1014Part 6: Use Netmiko to Send an Erroneous Command1015Part 7: Modify the Program Used in this Lab1016Router Interface Summary Table1017Device Configs - Final1017Router R1101728.1.4 Lab - Use NETCONF to Access an IOS XE Router (InstructorVersion)1020Topology1020Addressing Table1020Objectives1020Background/Scenario1020Required Resources1020Instructions1021Part 1: Build the Network and Verify Connectivity1021Part 2: Use a NETCONF Session to Gather Information1023Part 3: Use ncclient to Connect to NETCONF1027Part 4: Use ncclient to Retrieve the Configuration1029Part 5: Use ncclient to Configure a Device1032Part 6: Modify the Program Used in this Lab1035Router Interface Summary Table1037Device Configs – Final1038Router R1103828.1.5 Lab - Use RESTCONF to Access an IOS XE Router (InstructorVersion)1041Topology1041Addressing Table1041Objectives1041Background/Scenario1041

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xxiRequired Resources1041Instructions1042Part 1: Build the Network and Verify Connectivity1042Part 2: Configure an IOS XE Device for RESTCONF Access1044Part 3: Open and Configure Postman1045Part 4: Use Postman to Send GET Requests1045Part 5: Use Postman to Send a PUT Request1048Part 6: Use a Python Script to Send GET Requests1050Part 7: Use a Python Script to Send a PUT Request1053Programs Used in this Lab1055Router Interface Summary Table1056Device Configs – Final1057Router R11057Chapter 29Introduction to Automation Tools106129.1.2 Lab - Construct an EEM Applet (Instructor Version)1061Topology1061Addressing Table1061Objectives1061Background/Scenario1061Required Resources1062Instructions1062Part 1: Build the Network and Verify Connectivity1062Part 2: Implement a Syslog Detector EEM Applet1063Part 3: Implement a CLI Detector EEM Applet1066Router Interface Summary Table1069

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xxiiCCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8About This Lab ManualThis is the only authorized Lab Manual for the Cisco Networking Academy CCNP Enterprise:Core Networking (ENCOR) v8 Course.The two courses in this CCNP Enterprise version 8.0 curriculum provide students with knowl-edge and skills needed to configure, operate, and troubleshoot large scale enterprise net-works. The courses cover a broad range of routing, switching, and wireless topics along withsecurity best practices used in software-driven digital networks. CCNP Enterprise certificationrequires candidates to pass two 120-minute exams: CCNP and CCIE Enterprise Core ENCOR350-401 and CCNP Enterprise Advanced Routing ENARSI 300-410.By the end of the CCNP course series, students gain practical, hands-on lab experience pre-paring them for the CCNP Enterprise certification exams and career-ready skills for profes-sional-level roles in the Information & Communication Technologies (ICT) industry.CCNP Enterprise: Core NetworkingThis first course in the 2-course CCNP Enterprise series covers switching, routing, wireless,and related security topics, along with the technologies that support software-defined, pro-grammable networks. Comprehensive labs emphasize hands-on learning and practice to rein-force configuration and troubleshooting skills.This course directly prepares for the Cisco Enterprise Network Core Technologies exam (350-401 ENCOR) to earn an Enterprise Core Specialist certification. Completion of both coursesin the CCNP Enterprise course series prepares for the CCNP Enterprise certification exam.The 37 comprehensive labs in this manual emphasize hands-on learning and practice to rein-force configuration skills.

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CHAPTER 1Packet Forwarding1.1.2 Lab - Implement Inter-VLAN Routing (InstructorVersion)Instructor Note:Red font color or gray highlights indicate text that appears in the instructor copy only.TopologyAddressing TableDeviceInterfaceIPv4 AddressIPv6 AddressIPv6 Link-LocalR1G0/0/110.1.13.1/242001:db8:acad:10d1::1/64fe80::1:1S0/1/110.1.3.1/242001:db8:acad:1013::1/64fe80::1:2D1G1/0/1110.1.13.13/242001:db8:acad:10d1::d1/64fe80::d1:1VLAN5010.2.50.1/242001:db8:acad:1050::d1/64fe80::d1:2VLAN6010.2.60.1/242001:db8:acad:1060::d1/64fe80::d1:3R3S0/1/110.1.3.3/242001:db8:acad:1013::3/64fe80::3:1G0/0/1.7510.3.75.1/242001:db8:acad:3075::1/64fe80::3:2G0/0/1.8510.3.85.1/242001:db8:acad:3085::1/64fe80::3:3D2VLAN7510.3.75.14/242001:db8:acad:3075::d2/64fe80::d2:1PC1NIC10.2.50.50/242001:db8:acad:1050::50/64EUI-64PC2NIC10.2.60.50/242001:db8:acad:1060::50/64EUI-64PC3NIC10.3.75.50/242001:db8:acad:3075::50/64EUI-64PC4NIC10.3.85.50/242001:db8:acad:3085::50/64EUI-64

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2CCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8ObjectivesPart 1: Build the Network and Configure Basic Device SettingsPart 2: Configure and Verify Inter-VLAN Routing on a Layer 3 SwitchPart 3: Configure and Verify Router-based Inter-VLAN RoutingPart 4: Examine CAM and CEF DetailsBackground/ScenarioThe methods used to move packets and frames from one interface to the next have changed over theyears. In this lab you will configure Inter-VLAN Routing in its various forms and then examine the dif-ferent tables used in making forwarding decisions.Note:This lab is an exercise in configuring and verifying various methods of Inter-VLAN routing and does notreflect networking best practices.Note:The routers and switches used with CCNP hands-on labs are Cisco 4221 and Cisco 3650, both with CiscoIOS XE Release 16.9.4 (universalk9 image). Other routers and Cisco IOS versions can be used. Depending on themodel and Cisco IOS version, the commands available and the output produced might vary from what is shown inthe labs.Note:Ensure that the routers and switches have been erased and have no startup configurations. If you are unsurecontact your instructor.Instructor Note:Refer to the Instructor Lab Manual for the procedures to initialize and reload devices.Required Resources■2 Routers (Cisco 4221 with Cisco IOS XE Release 16.9.4 universal image or comparable)■2 Switches (Cisco 3650 with Cisco IOS XE Release 16.9.4 universal image or comparable)■4 PCs (PC with terminal emulation program, such as Tera Term)■Console cables to configure the Cisco IOS devices via the console ports■Ethernet and serial cables as shown in the topologyInstructionsPart 1: Build the Network and Configure Basic Device SettingsIn Part 1, you will set up the network topology and configure basic settings.Step 1.Cable the network as shown in the topology.Attach the devices as shown in the topology diagram, and cable as necessary.

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Chapter 1: Packet Forwarding3Step 2.Configure basic settings for each devic e.a.Console into each router, enter global configuration mode, and apply the basic settingsusing the following startup configurations.Router R1noipdomainlookuphostnameR1linecon0exec-timeout00loggingsynchronousexitbannermotd#ThisisR1,Inter-VLANRoutingLab#Router R3noipdomainlookuphostnameR3linecon0exec-timeout00loggingsynchronousexitbannermotd#ThisisR3,Inter-VLANRoutingLab#Switch D1noipdomainlookuphostnameD1linecon0exec-timeout00loggingsynchronousexitbannermotd#ThisisD1,Inter-VLANRoutingLab#interfacerangeg1/0/1-24,g0/0,g1/1/1-4shutdownSwitch D2noipdomainlookuphostnameD2linecon0exec-timeout00loggingsynchronousexitbannermotd#ThisisD2,Inter-VLANRoutingLab#interfacerangeg1/0/1-24,g0/0,g1/1/1-4shutdownb.Set the clock on each device to UTC time.c.Save the running configuration to startup-config.

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4CCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Part 2: Configure and Verify Inter-VLAN Routing on a Layer 3SwitchIn Part 2, you will configure and verify inter-VLAN Routing on a Layer 3 switch. For this part, you willfocus on the configuration of switch D1 and router R1.Note:The default Switch Database Manager (SDM) template on a Catalyst 3650 running IOS XE supports dual-stacked operations and requires no additional configuration for our purposes.If you are using an alternate device running Cisco IOS, check the SDM template with the privilegedEXEC commandshow sdm preferand verify that the ‘number of IPv6 unicast routes’ supported is notzero.If it is zero, you must change the SDM template to one that supports IPv6 using thesdm prefertemplate_nameglobal configuration command. The template name will vary depending on the IOSversion. Changing the template will require a reboot.Step 1.On D1, configure Inter-VLAN Routing.a.Configure D1 to support IP routing and IPv6 unicast routing.D1(config)#iproutingD1(config)#ipv6unicast-routingb.Create the VLANs and name them as specified in the topology.D1(config)#vlan50D1(config-vlan)#nameGroup50D1(config-vlan)#exitD1(config)#vlan60D1(config-vlan)#nameGroup60D1(config-vlan)#exitc.Assign the G1/0/23 to VLAN 50 and G1/0/24 to VLAN 60.D1(config)#interfaceg1/0/23D1(config-if)#switchportmodeaccessD1(config-if)#switchportaccessvlan50D1(config-if)#noshutdownD1(config-if)#exitD1(config)#interfaceg1/0/24D1(config-if)#switchportmodeaccessD1(config-if)#switchportaccessvlan60D1(config-if)#noshutdownD1(config-if)#exitd.Create the Switched Virtual Interfaces (SVI) that will support VLAN 50 and VLAN 60.D1(config)#interfacevlan50D1(config-if)#ipaddress10.2.50.1255.255.255.0D1(config-if)#ipv6addressfe80::d1:2link-localD1(config-if)#ipv6address2001:db8:acad:1050::d1/64D1(config-if)#noshutdownD1(config-if)#exitD1(config)#interfacevlan60D1(config-if)#ipaddress10.2.60.1255.255.255.0D1(config-if)#ipv6addressfe80::d1:3link-localD1(config-if)#ipv6address2001:db8:acad:1060::d1/64

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Chapter 1: Packet Forwarding5D1(config-if)#noshutdownD1(config-if)#exite.Configure PC1 with the addresses specified in the Addressing Table. Further assigndefault gateways of 10.2.50.1 and 2001:db8:acad:1050::d1.f.Configure PC2 with the addresses specified in the Addressing Table. Further assigndefault gateways of 10.2.60.1 and 2001:db8:acad:1060::d1.g.From PC1, ping PC2’s IPv4 and IPv6 address. Success indicates that D1 is performingInter-VLAN Routing.h.Examine the MAC address table on D1 with the commandshow mac address-tabledynamic. You should see PC1 and PC2’s mac addresses listed with the ports they areconnected to.D1#showmacaddress-tabledynamicMacAddressTable-------------------------------------------VlanMacAddressTypePorts----------------------------500050.56b3.8137DYNAMICGi1/0/23600050.56b3.994bDYNAMICGi1/0/24TotalMacAddressesforthiscriterion:2Step 2.On D1, configure a routed port and default routes towards R1.a.Configure interface G1/0/11 as a routed port with addressing as specified in the topol-ogy diagram.D1(config)#interfaceg1/0/11D1(config-if)#noswitchportD1(config-if)#ipaddress10.1.13.13255.255.255.0D1(config-if)#ipv6addressfe80::d1:1link-localD1(config-if)#ipv6address2001:db8:acad:10d1::d1/64D1(config-if)#noshutdownD1(config-if)#exitb.Verify that interface G1/0/11 is no longer associated with the VLAN database by issu-ing the commandshow vlan brief | i g1/0/11. There should be no output.c.Configure static default routes for IPv4 and IPv6 that point towards the interfaceaddress at R1.D1(config)#iproute0.0.0.00.0.0.010.1.13.1D1(config)#ipv6route::/02001:db8:acad:10d1::1You may see the error message%ADJ-3-RESOLVE_REQ: Adj resolve request: Failedto resolve 10.1.13.1. This indicates that the switch sent an ARP for the MAC addressof 10.1.13.1 and got no reply. We will configure that next.Step 3.On R1, configure interface addressing and static routing.a.Configure R1 to support IPv6 unicast routing.R1(config)#ipv6unicast-routingb.Configure the interfaces on R1 with the addresses specified in the Addressing Table.R1(config)#interfaceg0/0/1R1(config-if)#ipaddress10.1.13.1255.255.255.0

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6CCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8R1(config-if)#ipv6addressfe80::1:1link-localR1(config-if)#ipv6address2001:db8:acad:10d1::1/64R1(config-if)#noshutdownR1(config-if)#exitR1(config)#interfaces0/1/1R1(config-if)#ipaddress10.1.3.1255.255.255.0R1(config-if)#ipv6addressfe80::1:2link-localR1(config-if)#ipv6address2001:db8:acad:1013::1/64R1(config-if)#noshutdownR1(config-if)#exitc.Configure routing on R1. Configure static routes to the networks supported by D1 anda default route for everything else point at R3.R1(config)#iproute10.2.0.0255.255.0.010.1.13.13R1(config)#ipv6route2001:db8:acad:1050::/642001:db8:acad:10d1::d1R1(config)#ipv6route2001:db8:acad:1060::/642001:db8:acad:10d1::d1R1(config)#R1(config)#iproute0.0.0.00.0.0.010.1.3.3R1(config)#ipv6route::/02001:db8:acad:1013::3R1(config)#d.From R1, ping PC2 with IPv4 and IPv6. All pings should be successful.Part 3: Configure and Verify Router-based Inter-VLAN RoutingNote:The default Switch Database Manager (SDM) template on a Catalyst 3650 running IOS XE supports dual-stacked operations and requires no additional configuration for our purposes.If you are using an alternate device running Cisco IOS, check the SDM template with the privilegedexec commandshow sdm preferand verify that the ‘number of IPv6 unicast routes’ supported is notzero.If it is zero, you must change the SDM template to one that supports IPv6 usingthe sdm prefertem-plate_nameglobal configuration command. The template name will vary depending on the IOS ver-sion. Changing the template will require a reboot.Step 1.Configure D2 to support the required VLANs.a.Create the VLANs and name them as specified in the topology. In addition, create vlan999 and name it NativeVLAN.D2(config)#vlan75D2(config-vlan)#nameGroup75D2(config-vlan)#exitD2(config)#vlan85D2(config-vlan)#nameGroup85D2(config-vlan)#exitD2(config)#vlan999D2(config-vlan)#nameNativeVLAND2(config-vlan)#exitb.Assign the G1/0/23 to VLAN 75 and G1/0/24 to VLAN 85.

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Chapter 1: Packet Forwarding7c.Create a Switched Virtual Interface that will operate within VLAN 75.D2(config)#interfacevlan75D2(config-if)#ipaddress10.3.75.14255.255.255.0D2(config-if)#ipv6addressfe80::d2:1link-localD2(config-if)#ipv6address2001:db8:acad:3075::d2/64D2(config-if)#noshutdownD2(config-if)#exitd.Create an IEEE 802.1Q-based trunk to R3. As a part of the configuration of the trunk,set the native VLAN to VLAN 999 and filter the VLANs allowed on the trunk down toonly those that are configured.D2(config)#interfaceg1/0/11D2(config-if)#switchportmodetrunkD2(config-if)#switchporttrunknativevlan999D2(config-if)#switchporttrunkallowedvlan75,85,999D2(config-if)#noshutdownD2(config-if)#exitStep 2.Configure R3 to support Inter-VLAN Routing.a.Configure R3 to support IPv6 unicast routing.b.Configure the subinterfaces needed on R3 interface G0/0/1 to support the configuredVLANs. Ensure an interface is created for the native VLAN 999.R3(config)#interfaceg0/0/1R3(config-if)#noshutdownR3(config-if)#exitR3(config)#interfaceg0/0/1.75R3(config-subif)#encapsulationdot1q75R3(config-subif)#ipaddress10.3.75.1255.255.255.0R3(config-subif)#ipv6addressfe80::3:2link-localR3(config-subif)#ipv6address2001:db8:acad:3075::1/64R3(config-subif)#noshutdownR3(config-subif)#exitR3(config)#interfaceg0/0/1.85R3(config-subif)#encapsulationdot1q85R3(config-subif)#ipaddress10.3.85.1255.255.255.0R3(config-subif)#ipv6addressfe80::3:3link-localR3(config-subif)#ipv6address2001:db8:acad:3085::1/64R3(config-subif)#noshutdownR3(config-subif)#exitR3(config)#interfaceg0/0/1.999R3(config-subif)#encapsulationdot1q999nativeR3(config-subif)#noshutdownR3(config-subif)#exitc.Configure PC3 with the addresses specified in the Addressing Table. Further assigndefault gateways of 10.3.75.1 and 2001:db8:acad:3075::1.d.Configure PC4 with the addresses specified in the Addressing Table. Further assigndefault gateways of 10.3.85.1 and 2001:db8:acad:3085::1.e.From PC3, ping PC4’s IPv4 and IPv6 address. Success indicates that R3 is performingInter-VLAN Routing.

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8CCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8Step 3.Configure static routing to enable end-to-end reachability.a.On R3, configure interface S0/1/1 with the addresses specified in the Addressing Table.R3(config)#interfaces0/1/1R3(config-if)#ipaddress10.1.3.3255.255.255.0R3(config-if)#ipv6addressfe80::3:1link-localR3(config-if)#ipv6address2001:db8:acad:1013::3/64R3(config-if)#noshutdownR3(config-if)#exitb.On R3, configure a static default route for IPv4 and IPv6 that points to R1’s S0/1/1interface addresses.R3(config)#iproute0.0.0.00.0.0.010.1.3.1R3(config)#ipv6route::/02001:db8:acad:1013::1c.On PC3, issue a ping to PC2. The ping should be successful. This indicates the routingsolution is working in both directions.Part 4: Examine CAM and CEF DetailsIn Part 4, you will examine CEF details on the devices you have configured. The objective of CiscoExpress Forwarding is to speed up the process of moving data from one interface to another. To dothis, as much data as possible is precompiled into two tables, the Forwarding Information Base (FIB)and the Adjacency Table. These are basically shortcuts that identify what interface a packet should besent out of and how it should be framed.a.Issue the commandshow ip cefto see the compiled CEF table, which tells the devicewhat to do with a frame or packet based on its destination address. This table gives thedevice a quick answer and keeps the CPU from getting directly involved. For example,packets destined to the 10.2.0.0/16 network are quickly resolved to the next-hopaddress of 10.1.13.13 exiting interface g0/0/1.R1#showipcefPrefixNextHopInterface0.0.0.0/010.1.3.3Serial0/1/10.0.0.0/8drop0.0.0.0/32receive10.1.3.0/24attachedSerial0/1/110.1.3.0/32receiveSerial0/1/110.1.3.1/32receiveSerial0/1/110.1.3.3/3210.1.3.3Serial0/1/110.1.3.255/32receiveSerial0/1/110.1.13.0/24attachedGigabitEthernet0/0/110.1.13.0/32receiveGigabitEthernet0/0/110.1.13.1/32receiveGigabitEthernet0/0/110.1.13.13/32attachedGigabitEthernet0/0/110.1.13.255/32receiveGigabitEthernet0/0/110.2.0.0/1610.1.13.13GigabitEthernet0/0/1127.0.0.0/8drop224.0.0.0/4drop224.0.0.0/24receive240.0.0.0/4drop255.255.255.255/32receive

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Chapter 1: Packet Forwarding9b.Issue the commandshow adjacency, which shows you the address neighbors on eachinterface.R1#showadjacencyProtocolInterfaceAddressIPGigabitEthernet0/0/110.1.13.13(11)IPGigabitEthernet0/0/1227.0.0.0(3)IPV6GigabitEthernet0/0/12001:DB8:ACAD:10D1::D1(12)IPV6GigabitEthernet0/0/1FE80::D1:1(3)IPV6GigabitEthernet0/0/1FFFF::(3)IPSerial0/1/1point2point(13)IPV6Serial0/1/1point2point(13)c.Expand this a bit and issue the commandshow adjacency detail, and you will see thatthe router has precompiled the Layer 2 headers and other details to allow it to packageinformation quickly.R1#showadjacencydetailProtocolInterfaceAddressIPGigabitEthernet0/0/110.1.13.13(11)20packets,1680bytesepoch0sourcedinsev-epoch0Encaplength14001AE3CFB8C37079B39236410800L2destinationaddressbyteoffset 0L2destinationaddressbytelength 6Link-typeafterencap:ipARPIPGigabitEthernet0/0/1227.0.0.0(3)connectionid10packets,0bytesepoch0sourcedinsev-epoch0Encaplength1401005E0000007079B39236410800L2destinationaddressbyteoffset 0L2destinationaddressbytelength 6Link-typeafterencap:ipInjectp2mpMulticastIPV6GigabitEthernet0/0/12001:DB8:ACAD:10D1::D1(12)5packets,570bytesepoch0sourcedinsev-epoch0Encaplength14001AE3CFB8C37079B392364186DDL2destinationaddressbyteoffset 0L2destinationaddressbytelength 6Link-typeafterencap:ipv6IPv6NDIPV6GigabitEthernet0/0/1FE80::D1:1(3)0packets,0bytesepoch0

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10CCNP Enterprise: Core Networking (ENCOR) Lab Manual Version 8sourcedinsev-epoch0Encaplength14001AE3CFB8C37079B392364186DDL2destinationaddressbyteoffset0L2destinationaddressbytelength6Link-typeafterencap:ipv6IPv6NDIPV6GigabitEthernet0/0/1FFFF::(3)connectionid18packets,720bytesepoch0sourcedinsev-epoch0Encaplength143333000000007079B392364186DDL2destinationaddressbyteoffset0L2destinationaddressbytelength6Link-typeafterencap:ipv6Injectp2mpMulticastIPSerial0/1/1point2point(13)8packets,512bytesepoch0sourcedinsev-epoch0Encaplength40F000800P2P-ADJIPV6Serial0/1/1point2point(13)18599packets,1756190bytesepoch0sourcedinsev-epoch0Encaplength40F0086DDP2P-ADJRouter Interface Summary TableRouterModelEthernet Interface #1Ethernet Interface #2Serial Interface #1Serial Interface #21800Fast Ethernet 0/0 (F0/0)Fast Ethernet 0/1 (F0/1)Serial 0/0/0 (S0/0/0)Serial 0/0/1 (S0/0/1)1900Gigabit Ethernet 0/0(G0/0)Gigabit Ethernet 0/1(G0/1)Serial 0/0/0 (S0/0/0)Serial 0/0/1 (S0/0/1)2801Fast Ethernet 0/0 (F0/0)Fast Ethernet 0/1 (F0/1)Serial 0/1/0 (S0/1/0)Serial 0/1/1 (S0/1/1)2811Fast Ethernet 0/0 (F0/0)Fast Ethernet 0/1 (F0/1)Serial 0/0/0 (S0/0/0)Serial 0/0/1 (S0/0/1)2900Gigabit Ethernet 0/0(G0/0)Gigabit Ethernet 0/1(G0/1)Serial 0/0/0 (S0/0/0)Serial 0/0/1 (S0/0/1)4221Gigabit Ethernet 0/0/0(G0/0/0)Gigabit Ethernet 0/0/1(G0/0/1)Serial 0/1/0 (S0/1/0)Serial 0/1/1 (S0/1/1)4300Gigabit Ethernet 0/0/0(G0/0/0)Gigabit Ethernet 0/0/1(G0/0/1)Serial 0/1/0 (S0/1/0)Serial 0/1/1 (S0/1/1)

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