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Cisco Systems CCNA 2 manual Security Management documentation Centre, Centre#show ip interface

Models: CCNA 2

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Security Management documentation – Centre (2500)

Centre#show ip interface

Ethernet0 is up, line protocol is up Internet address is 172.16.32.1/19 Broadcast address is 255.255.255.255 Address determined by setup command MTU is 1500 bytes

Helper address is not set

Directed broadcast forwarding is enabled Outgoing access list is not set Inbound access list is not set

Proxy ARP is enabled Security level is default Split horizon is enabled ICMP redirects are always sent ICMP unreachables are always sent ICMP mask replies are never sent IP fast switching is enabled

IP fast switching on the same interface is disabled IP multicast fast switching is enabled

Router Discovery is disabled

IP output packet accounting is disabled IP access violation accounting is disabled TCP/IP header compression is disabled Probe proxy name replies are disabled Gateway Discovery is disabled

Policy routing is disabled

Ethernet1 is administratively down, line protocol is down Internet protocol processing disabled

Serial0 is up, line protocol is up Internet address is 172.16.64.1/19 Broadcast address is 255.255.255.255 Address determined by setup command MTU is 1500 bytes

Helper address is not set

Directed broadcast forwarding is enabled Outgoing access list is not set Inbound access list is not set

Proxy ARP is enabled Security level is default Split horizon is enabled ICMP redirects are always sent ICMP unreachables are always sent ICMP mask replies are never sent IP fast switching is enabled

IP fast switching on the same interface is enabled IP multicast fast switching is enabled

Router Discovery is disabled

IP output packet accounting is disabled IP access violation accounting is disabled TCP/IP header compression is disabled Probe proxy name replies are disabled Gateway Discovery is disabled

Policy routing is disabled Serial1 is up, line protocol is up Internet address is 172.16.128.1/19 Broadcast address is 255.255.255.255 Address determined by setup command MTU is 1500 bytes

149 - 238 CCNA 2: Routers and Routing Basics v3.1 Instructor Guide – Case Study

Copyright ♥ 2004, Cisco Systems, Inc.

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Cisco Systems CCNA 2 manual Security Management documentation Centre, Centre#show ip interface

Contents

Page Welcome Student-Centered, Instructor-FacilitatedOne Size Does Not Fit All Hands-On, Skills-BasedGlobal Community Guide OverviewPrerequisites II. Course OverviewTarget Audience Course DescriptionLab Requirements Certification AlignmentCourse Overview Copyright 2004, Cisco Systems, Inc III. Teaching Guide for Each TI NomenclatureLearning objective LO Target indicator TIModule LessonModule 1 WANs and Routers OverviewModule 1 Caution WANs Introduction to WANsIntroduction to routers in a WAN Router LANs and WANs ROMRole of Routers in a WAN Academy approach to hands-on labsRouter physical characteristics RoutersRouter external connections Management port connectionsConsole Port Connections Connecting Router LAN interfaces Connecting WAN interfacesModule 1 Summary Module 2 Introduction to Routers Module 2 CautionRouter user interface Operating Cisco IOS SoftwarePurpose of Cisco IOS software Router user interface modesCisco IOS software features Operation of Cisco IOS softwareStarting a Router Router LED indicatorsInitial router bootup Initial startup of Cisco routersRouter login Establish a console sessionKeyboard help in the router CLI Enhanced editing commands Router command historyTroubleshooting command line errors Show version commandModule 2 Summary Module 3 Configuring a Router Module 3 CautionCopyright 2004, Cisco Systems, Inc Configure a Router CLI command modesConfiguring a router name Configuring router passwordsExamining the show commands Configuring a serial interface Making configuration changesConfiguring an Ethernet interface Router#copy running-config startup-configFinishing the Configuration Importance of configuration standardsConfiguring an interface description Interface descriptionsLogin banners Configuring message-of-the-day MotdHost name resolutions Configuring host tables Configuration backup and documentationBacking up configuration files Copyright 2004, Cisco Systems, Inc Module 3 Summary Use the show cdp neighbors command Module 4 Learning about Other DevicesModule 4 Caution Discovering and Connecting to Neighbors Introduction to CDPEssential Labs Optional Labs Information obtained with CDP TLVImplementation, monitoring, and maintenance of CDP Creating a network map of the environmentTroubleshooting CDP Disabling CDPCommand Purpose Establishing and verifying a Telnet connection Getting Information about Remote DevicesTelnet Router131.108.100.152Ctrl -Shift -6 then Disconnecting and suspending Telnet sessionsAdvanced Telnet operation ResumeAlternative connectivity tests StanlyLab#show sessionsLAB-A#trace lab-e LAB-B#ping lab-cLAB-D#ping lab-c LAB-A#trace lab-dTroubleshooting IP addressing issues LAB-C#show ip routeModule 4 Summary Module 5 Managing Cisco IOS Software How a Cisco device locates and loads the Cisco IOS Router Boot Sequence and VerificationStages of the router power-on boot sequence Essential Labs Optional Labs None Core TIs All Optional TIsUsing the boot system command Configuration registerTroubleshooting IOS boot failure Managing the Cisco File System Additional ResourcesIOS file system overview IOS naming conventionEnter copy tftp running-config Managing configuration files using TftpManaging configuration files using copy and paste Select Transfer Capture TextShow running-config Managing IOS images using Tftp Managing IOS images using XModemEnvironment variables File system verificationDiscuss the following alternatives with the students Module 5 Summary Module 6 Routing and Routing Protocols Module 6 CautionIntroduction to Static Routing Introduction to routingStatic route operation Rt1config#ip route 192.168.2.0 255.255.255.0 Rt1config#ip route 192.168.2.0 255.255.255.0 s0Rt1config#ip route 192.168.2.0 255.255.255.0 192.168.1.2 Configuring static routes Rt1#config terminalConfiguring default route forwarding Verifying static route configurationTroubleshooting static route configuration Show ip route output Rt1#show ip routeRt1#show interfaces s0 Rt1#pingDynamic Routing Overview Introduction to routing protocolsAutonomous systems Distance vector routing protocol features Purpose of a routing protocol and autonomous systemsIdentifying the classes of routing protocols Link-state routing protocol features Routing Protocols OverviewRouting configuration Path determinationRouting protocols IGP versus EGP Module 6 Summary Module 7 Distance Vector Routing Protocols OverviewModule 7 Caution Distance vector routing updates Distance vector routing loop issuesDistance Vector Routing Problem Routing Loops Defining a maximum count Eliminating routing loops through split horizonRouting Update Avoiding routing loops with triggered updates Route poisoningPreventing routing loops with holddown timers RIPConfiguring RIP RIP routing processUsing the ip classless command Common RIP configuration issuesVerifying RIP configuration Troubleshooting RIP update issuesLAB-A#debug ip rip Preventing routing updates through an interface Load Balancing with RIPIntegrating static routes with RIP IgrpLoad balancing across multiple paths Essential Labs Optional Labs Core TIsIgrp features Igrp metricsIgrp stability features Igrp routesConfiguring Igrp Verifying Igrp ConfigurationMigrating from RIP to Igrp Troubleshooting Igrp Ip classless command Module 7 SummaryCopyright 2004, Cisco Systems, Inc Module 8 TCP/IP Suite Error and Control Messages Module 8 CautionIcmp Overview of TCP/IP Error MessageError reporting and error correction Icmp message deliveryUsing ping to test destination reachability Unreachable networksDetecting excessively long routes Miscellaneous error reporting Echo messagesDestination unreachable message TCP/IP Suite Control Messages Introduction to control messagesIcmp redirect/change requests Address mask requests Clock synchronization and transit time estimationInformation requests and reply message formats Router discovery messageRouter solicitation message Congestion and flow control messagesModule 8 Summary Module 9 Basic Router Troubleshooting Module 9 CautionShow ip route command Examining the Routing TableDetermining the gateway of last resort Determining route administrative distance Determining route source and destinationDetermining L2 and L3 addresses Determining the last routing update Determining the route metricDetermining the route next hop Using a structured approach to troubleshooting Network TestingIntroduction to network testing Observing multiple paths to destinationLayer 3 troubleshooting using ping Testing by OSI layersLayer 1 troubleshooting using indicators Layer 7 troubleshooting using TelnetTroubleshooting Layer 2 using the show interfaces Troubleshooting Router Issues OverviewTroubleshooting Layer 1 using show interfaces Troubleshooting using show cdpTroubleshooting using traceroute Troubleshooting routing issuesTroubleshooting using show controllers Introduction to debug Module 9 Summary Show cdp Traceroute Show controllers serial DebugModule 10 Intermediate TCP/IP Module 10 CautionTCP Operation TCP operationSynchronization or three-way handshake Denial of service attacks Windowing and window sizeSequencing numbers Positive acknowledgementsUDP operation Overview of Transport Layer Ports Multiple conversations between hostsPorts for services Ports for clientsPort numbering and well known port numbers Example of multiple sessions between hosts Comparison of MAC addresses, IP addresses, and port numbersModule 10 Summary Module 11 Access Control List ACLs Access Control List FundamentalsIntroduction to ACLs How ACLs workRt1config#access-list 1 permit 192.168.0.1 ? Rt1config#access-list ?Rt1config#access-list 1 permit ? Creating ACLsC.D Wildcard bits Log Function of a wildcard mask Verifying ACLsAccess Control Lists ACLs Standard ACLsRt1config#access-list 101 ? Rt1config#access-list 101 permit ?Extended ACLs Named ACLs Placing ACLs FirewallsRestricting virtual terminal access Module 11 Summary IV. Case Study Overview and ObjectivesScenario and Phase 1 Project Description Phase 2 IP Addressing Network Diagram IP AddressingPhase 3 Basic Router and Workstation Configuration Boaz CenterInstructor approval Date Phase 4 Access Control Lists Ping from Router Boaz to WorkstationEva Security management documentation Boaz Phase 5 Documenting the NetworkConfiguration management documentation Boaz EvaCase Study Deliverables General DocumentationTechnical Documentation Copyright 2004, Cisco Systems, Inc Phase 1 Project Description Case Study Instructor NotesClass Range Optional Phase 5 Documenting the Network Sample outputs Boaz Case Study Instructor Sample OutputsBoaz#show ip interface brief Boaz#show startup-config Using 1090 out of 32762 bytes Security Management documentation Boaz Boaz#show ip interfaceCopyright 2004, Cisco Systems, Inc Phase 5 Documenting the Network Sample outputs Centre Configuration Management documentationCentre#show version Copyright 2004, Cisco Systems, Inc Security Management documentation Centre Centre#show ip interfaceCentre#show ip access-lists Phase 5 Documenting the Network Sample outputs Eva Configuration Management documentation EvaEva#show hosts Eva#show startup-config Using 1156 out of 32762 bytes Security Management documentation Eva Eva#show ip interfaceCopyright 2004, Cisco Systems, Inc Appendices Appendix a Cisco Online Tools and Utilities Output Interpreter Error Message Decoder Software Bug Toolkit IP Subnet Calculator Password Recovery Procedures TAC Case Collection Software Advisor Feature Navigator TAC Advanced Search What is meant by best practices? Best PracticesNets Nets StandardsLiteracy, math, and science standards Web Links Timss report Timss Report Participating CountriesStudent-centered learning Learner Model Academy StudentMultiple intelligences Multiple IntelligencesWeb Links Inquiry-based learning Inquiry Based LearningSpecial needs Special NeedsWeb Links Learning disabilities Learning DisabilitiesStrategies for Teaching Students with Learning Disabilities Lab-Centric Instruction Ccna labsPPP Isdn Ccnp labs Ccnp LabsWeb Links Netlab Web Links Simulations SimulationsSponsored curriculum labs Sponsored Curriculum LabsSponsored Curriculum Labs IT Essentials PC Hardware and Software IT Essentials IT Essentials Network Operating SystemsFundamentals of Voice and Data Cabling Fundamentals of Unix Fundamentals of Java ProgrammingFundamentals of Web Design Http//cisco.netacad.net/cnacs/prot-doc/newcourses.html Emerging technologies PIX Firewall PhotoZoomWireless solutions Troubleshooting Steps in the Problem-Solving ModelTeaching Methods Web Resources Project-based Instruction Challenges and projectsCopyright 2004, Cisco Systems, Inc Dartmouth Problem-Solving Cycle Design activitiesWeb Links Cluster Diagram BrainstormingGifted Education a Resource Guide for Teachers Case studies Case StudiesCase Study Teaching in Science a Bibliography Web research Cisco.comInstructional Strategies Instructor-led classroomsCopyright 2004, Cisco Systems, Inc Self-paced instruction Cooperative/collaborative work Pairs or partnersSmall groups Large groups TeamsCompetitive teams Whole classStudent-led discussions Demonstrations Presentations Jigsaws Jigsaw PuzzleAsk the right questions Ask the Right QuestionsCopyright 2004, Cisco Systems, Inc 6 PMI PMIProblem-Solving Matrix Graphic organizersFlowchart Extended Star Topology in a Multi-Building Campus Digital Signal Data Encapsulation Local Area Networks and Devices Copyright 2004, Cisco Systems, Inc RFI EMI Setting goals Kinesthetic activities Kinesthetic ActivitiesWeb Links Assessment Strategies Review strategiesJournals and reflection Copyright 2004, Cisco Systems, Inc Web Links Rubrics Grading Rubric SampleRubistar http//rubistar.4teachers.org Portfolio Guidelines for Portfolio Assessment in Teaching EnglishOral exams Oral ExamsCopyright 2004, Cisco Systems, Inc Lab exams Lab ExamsWeb Links Six lenses Six LensesCopyright 2004, Cisco Systems, Inc