IP Subnet Calculator | Cisco Systems CCNA 2 specification

4 IP Subnet Calculator

IP Subnet Calculator is a Web-based resource that is used to calculate the subnet mask based on several variables. This tool can be used to verify network settings.

http://www.cisco.com/cgi-bin/Support/IpSubnet/home.pl

161 - 238 CCNA 2: Routers and Routing Basics v3.1 Instructor Guide – Appendix A

Copyright ♥ 2004, Cisco Systems, Inc.

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Cisco Systems CCNA 2 manual IP Subnet Calculator

Contents

Page Welcome Student-Centered, Instructor-Facilitated One Size Does Not Fit All Hands-On, Skills-Based Global Community Guide Overview Prerequisites II. Course OverviewTarget Audience Course Description Lab Requirements Certification Alignment Course Overview Copyright 2004, Cisco Systems, Inc III. Teaching Guide for Each TI Nomenclature Learning objective LO Target indicator TIModule Lesson Module 1 WANs and Routers OverviewModule 1 Caution WANs Introduction to WANsIntroduction to routers in a WAN Router LANs and WANs ROM Role of Routers in a WAN Academy approach to hands-on labs Router physical characteristics Routers Router external connections Management port connectionsConsole Port Connections Connecting Router LAN interfaces Connecting WAN interfaces Module 1 Summary Module 2 Introduction to Routers Module 2 Caution Router user interface Operating Cisco IOS SoftwarePurpose of Cisco IOS software Router user interface modes Cisco IOS software features Operation of Cisco IOS software Starting a Router Router LED indicatorsInitial router bootup Initial startup of Cisco routers Router login Establish a console sessionKeyboard help in the router CLI Enhanced editing commands Router command history Troubleshooting command line errors Show version command Module 2 Summary Module 3 Configuring a Router Module 3 Caution Copyright 2004, Cisco Systems, Inc Configure a Router CLI command modes Configuring a router name Configuring router passwords Examining the show commands Configuring a serial interface Making configuration changes Configuring an Ethernet interface Router#copy running-config startup-config Finishing the Configuration Importance of configuration standards Configuring an interface description Interface descriptions Login 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 TLV Implementation, monitoring, and maintenance of CDP Creating a network map of the environment Troubleshooting CDP Disabling CDP Command Purpose Establishing and verifying a Telnet connection Getting Information about Remote DevicesTelnet Router131.108.100.152 Ctrl -Shift -6 then Disconnecting and suspending Telnet sessionsAdvanced Telnet operation Resume Alternative connectivity tests StanlyLab#show sessions LAB-A#trace lab-e LAB-B#ping lab-cLAB-D#ping lab-c LAB-A#trace lab-d Troubleshooting IP addressing issues LAB-C#show ip route Module 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 TIs Using the boot system command Configuration registerTroubleshooting IOS boot failure Managing the Cisco File System Additional Resources IOS file system overview IOS naming convention Enter copy tftp running-config Managing configuration files using TftpManaging configuration files using copy and paste Select Transfer Capture Text Show running-config Managing IOS images using Tftp Managing IOS images using XModem Environment variables File system verification Discuss the following alternatives with the students Module 5 Summary Module 6 Routing and Routing Protocols Module 6 Caution Introduction 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 terminal Configuring default route forwarding Verifying static route configuration Troubleshooting static route configuration Show ip route output Rt1#show ip route Rt1#show interfaces s0 Rt1#ping Dynamic 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 Overview Routing 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 horizon Routing Update Avoiding routing loops with triggered updates Route poisoning Preventing routing loops with holddown timers RIP Configuring RIP RIP routing process Using the ip classless command Common RIP configuration issues Verifying RIP configuration Troubleshooting RIP update issuesLAB-A#debug ip rip Preventing routing updates through an interface Load Balancing with RIP Integrating static routes with RIP IgrpLoad balancing across multiple paths Essential Labs Optional Labs Core TIs Igrp features Igrp metrics Igrp stability features Igrp routes Configuring Igrp Verifying Igrp ConfigurationMigrating from RIP to Igrp Troubleshooting Igrp Ip classless command Module 7 Summary Copyright 2004, Cisco Systems, Inc Module 8 TCP/IP Suite Error and Control Messages Module 8 Caution Icmp Overview of TCP/IP Error MessageError reporting and error correction Icmp message delivery Using 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 message Router solicitation message Congestion and flow control messages Module 8 Summary Module 9 Basic Router Troubleshooting Module 9 Caution Show 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 destination Layer 3 troubleshooting using ping Testing by OSI layersLayer 1 troubleshooting using indicators Layer 7 troubleshooting using Telnet Troubleshooting Layer 2 using the show interfaces Troubleshooting Router Issues OverviewTroubleshooting Layer 1 using show interfaces Troubleshooting using show cdp Troubleshooting using traceroute Troubleshooting routing issuesTroubleshooting using show controllers Introduction to debug Module 9 Summary Show cdp Traceroute Show controllers serial Debug Module 10 Intermediate TCP/IP Module 10 Caution TCP Operation TCP operationSynchronization or three-way handshake Denial of service attacks Windowing and window size Sequencing numbers Positive acknowledgementsUDP operation Overview of Transport Layer Ports Multiple conversations between hosts Ports 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 numbers Module 10 Summary Module 11 Access Control List ACLs Access Control List Fundamentals Introduction to ACLs How ACLs work Rt1config#access-list 1 permit 192.168.0.1 ? Rt1config#access-list ?Rt1config#access-list 1 permit ? Creating ACLs C.D Wildcard bits Log Function of a wildcard mask Verifying ACLs Access Control Lists ACLs Standard ACLs Rt1config#access-list 101 ? Rt1config#access-list 101 permit ?Extended ACLs Named ACLs Placing ACLs Firewalls Restricting virtual terminal access Module 11 Summary IV. Case Study Overview and Objectives Scenario and Phase 1 Project Description Phase 2 IP Addressing Network Diagram IP Addressing Phase 3 Basic Router and Workstation Configuration Boaz Center Instructor approval Date Phase 4 Access Control Lists Ping from Router Boaz to Workstation Eva Security management documentation Boaz Phase 5 Documenting the NetworkConfiguration management documentation Boaz Eva Case 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 Outputs Boaz#show ip interface brief Boaz#show startup-config Using 1090 out of 32762 bytes Security Management documentation Boaz Boaz#show ip interface Copyright 2004, Cisco Systems, Inc Phase 5 Documenting the Network Sample outputs Centre Configuration Management documentation Centre#show version Copyright 2004, Cisco Systems, Inc Security Management documentation Centre Centre#show ip interface Centre#show ip access-lists Phase 5 Documenting the Network Sample outputs Eva Configuration Management documentation Eva Eva#show hosts Eva#show startup-config Using 1156 out of 32762 bytes Security Management documentation Eva Eva#show ip interface 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 What is meant by best practices? Best Practices Nets Nets Standards Literacy, math, and science standards Web Links Timss report Timss Report Participating Countries Student-centered learning Learner Model Academy Student 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 Lab-Centric Instruction Ccna labs PPP Isdn Ccnp labs Ccnp Labs Web Links Netlab Web Links Simulations Simulations Sponsored curriculum labs Sponsored Curriculum Labs Sponsored 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 PhotoZoom Wireless solutions Troubleshooting Steps in the Problem-Solving Model Teaching Methods Web Resources Project-based Instruction Challenges and projects Copyright 2004, Cisco Systems, Inc Dartmouth Problem-Solving Cycle Design activities Web Links Cluster Diagram Brainstorming Gifted Education a Resource Guide for Teachers Case studies Case Studies Case Study Teaching in Science a Bibliography Web research Cisco.com Instructional Strategies Instructor-led classrooms Copyright 2004, Cisco Systems, Inc Self-paced instruction Cooperative/collaborative work Pairs or partnersSmall groups Large groups TeamsCompetitive teams Whole class Student-led discussions Demonstrations Presentations Jigsaws Jigsaw Puzzle Ask the right questions Ask the Right Questions Copyright 2004, Cisco Systems, Inc 6 PMI PMI Problem-Solving Matrix Graphic organizers 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 Assessment Strategies Review strategies Journals and reflection Copyright 2004, Cisco Systems, Inc Web Links Rubrics Grading Rubric Sample Rubistar http//rubistar.4teachers.org Portfolio Guidelines for Portfolio Assessment in Teaching English Oral exams Oral Exams Copyright 2004, Cisco Systems, Inc Lab exams Lab Exams Web Links Six lenses Six Lenses Copyright 2004, Cisco Systems, Inc