LAB-B#ping lab-c, LAB-D#ping lab-c | Cisco Systems CCNA 2 guide

The procedure to use the ping command is as follows:

•ping IP address or name of destination

•Press Enter

The procedure to use the trace command is as follows:

•trace IP address or name of destination

•Press Enter

Demonstrate a successful ping.

LAB-B#ping lab-c

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echoes to 199.6.13.2, timeout is 2 seconds: !!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 32/35/36 ms

Demonstrate an unsuccessful ping.

LAB-D#ping lab-c

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echoes to 199.6.13.2, timeout is 2 seconds: .....

Success rate is 0 percent (0/5)

Demonstrate a successful trace.

LAB-A#trace lab-e

Type escape sequence to abort.

Tracing the route to LAB-E (210.93.105.2)

1LAB-B (201.100.11.2) 32 msec 24 msec 24 msec

2LAB-C (199.6.13.2) 32 msec 52 msec 40 msec

3LAB-D (204.204.7.2) 64 msec 64 msec 64 msec

4LAB-E (210.93.105.2) 60 msec * 64 msec

Demonstrate an unsuccessful trace.

LAB-A#trace lab-d

Type escape sequence to abort.

Tracing the route to LAB-D (204.204.7.2)

1LAB-B (201.100.11.2) 36 msec 28 msec 24 msec

2LAB-C (199.6.13.2) 36 msec 44 msec 40 msec

3LAB-C (199.6.13.2) !H * !H

48 - 238 CCNA 2: Routers and Routing Basics v3.1 Instructor Guide – Module 4

Copyright ♥ 2004, Cisco Systems, Inc.

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Cisco Systems CCNA 2 manual LAB-B#ping lab-c, LAB-D#ping lab-c, LAB-A#trace lab-e, LAB-A#trace lab-d

Contents

Page Student-Centered, Instructor-Facilitated Welcome Hands-On, Skills-Based One Size Does Not Fit All Guide Overview Global Community Target Audience II. Course OverviewPrerequisites Course Description Certification Alignment Lab Requirements Course Overview Copyright 2004, Cisco Systems, Inc Nomenclature III. Teaching Guide for Each TI Module Target indicator TILearning objective LO Lesson Overview Module 1 WANs and RoutersModule 1 Caution Introduction to WANs WANsIntroduction to routers in a WAN ROM Router LANs and WANs Academy approach to hands-on labs Role of Routers in a WAN Routers Router physical characteristics Management port connections Router external connectionsConsole Port Connections Connecting WAN interfaces Connecting Router LAN interfaces Module 1 Summary Module 2 Caution Module 2 Introduction to Routers Purpose of Cisco IOS software Operating Cisco IOS SoftwareRouter user interface Router user interface modes Operation of Cisco IOS software Cisco IOS software features Initial router bootup Router LED indicatorsStarting a Router Initial startup of Cisco routers Establish a console session Router loginKeyboard help in the router CLI Router command history Enhanced editing commands Show version command Troubleshooting command line errors Module 2 Summary Module 3 Caution Module 3 Configuring a Router Copyright 2004, Cisco Systems, Inc CLI command modes Configure a Router Configuring router passwords Configuring a router name Examining the show commands Making configuration changes Configuring a serial interface Router#copy running-config startup-config Configuring an Ethernet interface Importance of configuration standards Finishing the Configuration Interface descriptions Configuring an interface description Configuring message-of-the-day Motd Login bannersHost name resolutions Configuration backup and documentation Configuring host tablesBacking up configuration files Copyright 2004, Cisco Systems, Inc Module 3 Summary Module 4 Learning about Other Devices Use the show cdp neighbors commandModule 4 Caution Introduction to CDP Discovering and Connecting to NeighborsEssential Labs Optional Labs TLV Information obtained with CDP Creating a network map of the environment Implementation, monitoring, and maintenance of CDP Disabling CDP Troubleshooting CDP Command Purpose Telnet Getting Information about Remote DevicesEstablishing and verifying a Telnet connection Router131.108.100.152 Advanced Telnet operation Disconnecting and suspending Telnet sessionsCtrl -Shift -6 then Resume StanlyLab#show sessions Alternative connectivity tests LAB-D#ping lab-c LAB-B#ping lab-cLAB-A#trace lab-e LAB-A#trace lab-d LAB-C#show ip route Troubleshooting IP addressing issues Module 4 Summary Module 5 Managing Cisco IOS Software Stages of the router power-on boot sequence Router Boot Sequence and VerificationHow a Cisco device locates and loads the Cisco IOS Essential Labs Optional Labs None Core TIs All Optional TIs Configuration register Using the boot system commandTroubleshooting IOS boot failure Additional Resources Managing the Cisco File System IOS naming convention IOS file system overview Managing configuration files using copy and paste Managing configuration files using TftpEnter copy tftp running-config Select Transfer Capture Text Show running-config Managing IOS images using XModem Managing IOS images using Tftp File system verification Environment variables Discuss the following alternatives with the students Module 5 Summary Module 6 Caution Module 6 Routing and Routing Protocols Introduction to routing Introduction to Static RoutingStatic route operation Rt1config#ip route 192.168.2.0 255.255.255.0 s0 Rt1config#ip route 192.168.2.0 255.255.255.0Rt1config#ip route 192.168.2.0 255.255.255.0 192.168.1.2 Rt1#config terminal Configuring static routes Verifying static route configuration Configuring default route forwarding Show ip route output Rt1#show ip route Troubleshooting static route configuration Rt1#ping Rt1#show interfaces s0 Introduction to routing protocols Dynamic Routing OverviewAutonomous systems Purpose of a routing protocol and autonomous systems Distance vector routing protocol featuresIdentifying the classes of routing protocols Routing Protocols Overview Link-state routing protocol features Path determination Routing configurationRouting protocols IGP versus EGP Module 6 Summary Overview Module 7 Distance Vector Routing ProtocolsModule 7 Caution Distance vector routing loop issues Distance vector routing updatesDistance Vector Routing Problem Routing Loops Eliminating routing loops through split horizon Defining a maximum count Routing Update Route poisoning Avoiding routing loops with triggered updates RIP Preventing routing loops with holddown timers RIP routing process Configuring RIP Common RIP configuration issues Using the ip classless command Troubleshooting RIP update issues Verifying RIP configurationLAB-A#debug ip rip Load Balancing with RIP Preventing routing updates through an interface Load balancing across multiple paths IgrpIntegrating static routes with RIP Essential Labs Optional Labs Core TIs Igrp metrics Igrp features Igrp routes Igrp stability features Verifying Igrp Configuration Configuring IgrpMigrating from RIP to Igrp Troubleshooting Igrp Module 7 Summary Ip classless command Copyright 2004, Cisco Systems, Inc Module 8 Caution Module 8 TCP/IP Suite Error and Control Messages Error reporting and error correction Overview of TCP/IP Error MessageIcmp Icmp message delivery Unreachable networks Using ping to test destination reachabilityDetecting excessively long routes Echo messages Miscellaneous error reportingDestination unreachable message Introduction to control messages TCP/IP Suite Control MessagesIcmp redirect/change requests Information requests and reply message formats Clock synchronization and transit time estimationAddress mask requests Router discovery message Congestion and flow control messages Router solicitation message Module 8 Summary Module 9 Caution Module 9 Basic Router Troubleshooting Examining the Routing Table Show ip route commandDetermining the gateway of last resort Determining route source and destination Determining route administrative distanceDetermining L2 and L3 addresses Determining the route metric Determining the last routing updateDetermining the route next hop Introduction to network testing Network TestingUsing a structured approach to troubleshooting Observing multiple paths to destination Layer 1 troubleshooting using indicators Testing by OSI layersLayer 3 troubleshooting using ping Layer 7 troubleshooting using Telnet Troubleshooting Layer 1 using show interfaces Troubleshooting Router Issues OverviewTroubleshooting Layer 2 using the show interfaces Troubleshooting using show cdp Troubleshooting routing issues Troubleshooting using tracerouteTroubleshooting using show controllers Introduction to debug Show cdp Traceroute Show controllers serial Debug Module 9 Summary Module 10 Caution Module 10 Intermediate TCP/IP TCP operation TCP OperationSynchronization or three-way handshake Windowing and window size Denial of service attacks Positive acknowledgements Sequencing numbersUDP operation Multiple conversations between hosts Overview of Transport Layer Ports Ports for clients Ports for servicesPort numbering and well known port numbers Comparison of MAC addresses, IP addresses, and port numbers Example of multiple sessions between hosts Module 10 Summary Access Control List Fundamentals Module 11 Access Control List ACLs How ACLs work Introduction to ACLs Rt1config#access-list 1 permit ? Rt1config#access-list ?Rt1config#access-list 1 permit 192.168.0.1 ? Creating ACLs C.D Wildcard bits Log Verifying ACLs Function of a wildcard mask Standard ACLs Access Control Lists ACLs Rt1config#access-list 101 permit ? Rt1config#access-list 101 ?Extended ACLs Named ACLs Firewalls Placing ACLs Restricting virtual terminal access Module 11 Summary Overview and Objectives IV. Case Study Scenario and Phase 1 Project Description Network Diagram IP Addressing Phase 2 IP Addressing Boaz Center Phase 3 Basic Router and Workstation Configuration Instructor approval Date Ping from Router Boaz to Workstation Phase 4 Access Control Lists Configuration management documentation Boaz Phase 5 Documenting the NetworkEva Security management documentation Boaz Eva General Documentation Case Study DeliverablesTechnical Documentation Copyright 2004, Cisco Systems, Inc Case Study Instructor Notes Phase 1 Project DescriptionClass Range Optional Case Study Instructor Sample Outputs Phase 5 Documenting the Network Sample outputs Boaz Boaz#show ip interface brief Boaz#show startup-config Using 1090 out of 32762 bytes Boaz#show ip interface Security Management documentation Boaz Copyright 2004, Cisco Systems, Inc Configuration Management documentation Phase 5 Documenting the Network Sample outputs Centre Centre#show version Copyright 2004, Cisco Systems, Inc Centre#show ip interface Security Management documentation Centre Centre#show ip access-lists Configuration Management documentation Eva Phase 5 Documenting the Network Sample outputs Eva Eva#show hosts Eva#show startup-config Using 1156 out of 32762 bytes Eva#show ip interface Security Management documentation Eva Copyright 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 Best Practices What is meant by best practices? Nets Standards Nets Literacy, math, and science standards Web Links Timss Report Participating Countries Timss report Learner Model Academy Student Student-centered learning Multiple Intelligences Multiple intelligences Web Links Inquiry Based Learning Inquiry-based learning Special Needs Special needs Web Links Learning Disabilities Learning disabilities Strategies for Teaching Students with Learning Disabilities Ccna labs Lab-Centric Instruction PPP Isdn Ccnp Labs Ccnp labs Web Links Netlab Web Links Simulations Simulations Sponsored Curriculum Labs Sponsored curriculum labs Sponsored Curriculum Labs IT Essentials Network Operating Systems IT Essentials PC Hardware and Software IT EssentialsFundamentals of Voice and Data Cabling Fundamentals of Java Programming Fundamentals of UnixFundamentals of Web Design Http//cisco.netacad.net/cnacs/prot-doc/newcourses.html PIX Firewall PhotoZoom Emerging technologies Wireless solutions Steps in the Problem-Solving Model Troubleshooting Teaching Methods Web Resources Challenges and projects Project-based Instruction Copyright 2004, Cisco Systems, Inc Design activities Dartmouth Problem-Solving Cycle Web Links Brainstorming Cluster Diagram Gifted Education a Resource Guide for Teachers Case Studies Case studies Case Study Teaching in Science a Bibliography Cisco.com Web research Instructor-led classrooms Instructional Strategies Copyright 2004, Cisco Systems, Inc Self-paced instruction Pairs or partners Cooperative/collaborative workSmall groups Competitive teams TeamsLarge groups Whole class Student-led discussions Demonstrations Presentations Jigsaw Puzzle Jigsaws Ask the Right Questions Ask the right questions Copyright 2004, Cisco Systems, Inc PMI 6 PMI Graphic organizers Problem-Solving Matrix Flowchart 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 activities Web Links Review strategies Assessment Strategies Journals and reflection Copyright 2004, Cisco Systems, Inc Web Links Grading Rubric Sample Rubrics Rubistar http//rubistar.4teachers.org Guidelines for Portfolio Assessment in Teaching English Portfolio Oral Exams Oral exams Copyright 2004, Cisco Systems, Inc Lab Exams Lab exams Web Links Six Lenses Six lenses Copyright 2004, Cisco Systems, Inc