book

Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide: (CCNP TSHOOT 300-135)

Name: Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide: (CCNP TSHOOT 300-135)
Author: Amir Ranjbar
ISBN: 9780133965926

by Amir Ranjbar

December 2014

Intermediate to advanced

496 pages

16h 33m

English

Cisco Press

Read now

Unlock full access

About This eBook
Title Page
Copyright Page
About the Author
About the Technical Reviewer
Dedication
Acknowledgments
Contents at a Glance
Contents
Icons Used in This Book

Command Syntax Conventions
Introduction
Who Should Read This Book?Cisco Certifications and ExamsHow This Book Is Organized
Chapter 1. Troubleshooting Methods
Troubleshooting PrinciplesStructured Troubleshooting ApproachesThe Top-Down Troubleshooting ApproachThe Bottom-Up Troubleshooting ApproachThe Divide-and-Conquer Troubleshooting ApproachThe Follow-the-Path Troubleshooting ApproachThe Compare-Configurations Troubleshooting ApproachThe Swap-Components Troubleshooting ApproachTroubleshooting Example Using Six Different ApproachesSummaryReview Questions
Chapter 2. Structured Troubleshooting
Troubleshooting Method and ProcedureDefining the ProblemGathering InformationAnalyzing the InformationEliminating Potential CausesProposing a Hypothesis (Likely Cause of the Problem)Testing and Verifying Validity of the Proposed HypothesisSolving the Problem and Documenting the WorkTroubleshooting Example Based on the Structured Method and ProceduresSummaryReview Questions
Chapter 3. Network Maintenance Tasks and Best Practices
Structured Network MaintenanceNetwork Maintenance Processes and ProceduresCommon Maintenance TasksNetwork Maintenance PlanningScheduling MaintenanceFormalizing Change-Control ProceduresEstablishing Network Documentation ProceduresEstablishing Effective CommunicationDefining Templates/Procedures/Conventions (Standardization)Planning for Disaster RecoveryNetwork Maintenance Services and ToolsNetwork Time ServicesLogging ServicesPerforming Backup and RestoreIntegrating Troubleshooting into the Network Maintenance ProcessNetwork Documentation and BaselineCommunicationChange ControlSummaryReview Questions
Chapter 4. Basic Switching and Routing Process and Effective IOS Troubleshooting Commands
Basic Layer 2 Switching ProcessEthernet Frame Forwarding (Layer 2 Data Plane)Layer 2 Switching VerificationBasic Layer 3 Routing ProcessIP Packet Forwarding (Layer 3 Data Plane)Using IOS Commands to Verify IP Packet ForwardingSelective Information Gathering Using IOS show Commands, debug Commands, Ping, and TelnetFiltering and Redirecting show Command’s OutputTesting Network Connectivity Using Ping and TelnetCollecting Real-Time Information Using Cisco IOS debug CommandsDiagnosing Hardware Issues Using Cisco IOS CommandsChecking CPU UtilizationChecking Memory UtilizationChecking InterfacesSummaryReview Questions
Chapter 5. Using Specialized Maintenance and Troubleshooting Tools
Categories of Troubleshooting ToolsTraffic-Capturing Features and ToolsSPANRSPANInformation Gathering with SNMPInformation Gathering with NetFlowNetwork Event NotificationSummaryReview Questions
Chapter 6. Troubleshooting Case Study: SECHNIK Networking
SECHNIK Networking Trouble Ticket 1Troubleshooting PC1’s Connectivity ProblemGathering InformationAnalyzing Information, Eliminating Causes, and Gathering Further InformationProposing HypothesesTesting the Hypotheses and Solving the ProblemTroubleshooting Ethernet TrunksTroubleshooting PC2’s Connectivity ProblemGathering InformationProposing a Hypothesis, Testing the Hypothesis, and Solving the ProblemTroubleshooting NATTroubleshooting PC3’s Connectivity ProblemGathering InformationEliminating Possibilities, Proposing a Hypothesis, and Testing the HypothesisTroubleshooting Network Device InterfacesTroubleshooting PC4’s IPv6 Connectivity ProblemGathering InformationEliminating Possibilities, Proposing a Hypothesis, and Testing the HypothesisTroubleshooting IPv6 Address Assignment on ClientsSECHNIK Networking Trouble Ticket 2Troubleshooting PC1’s Internet Connectivity ProblemGathering InformationProposing a Hypothesis, Testing the Hypothesis, and Solving the ProblemTroubleshooting Network Layer ConnectivityTroubleshooting PC2’s SSH Connectivity ProblemVerifying and Defining the ProblemGathering InformationProposing a Hypothesis and Testing the HypothesisTCP Three-Way HandshakeTroubleshooting PC4’s DHCP Address ProblemVerifying and Defining the ProblemGathering InformationProposing a Hypothesis, Testing a Hypothesis, and Solving the ProblemTroubleshooting Error-Disabled PortsSECHNIK Networking Trouble Ticket 3Troubleshooting PC1 and PC2’s Internet Connectivity IssuesVerifying and Defining the ProblemGathering InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemTroubleshooting DHCPThe passive-interface CommandTroubleshooting PC3’s Internet Connectivity IssuesVerifying and Defining the ProblemGathering InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemIPv6 ReviewSummaryReview Questions
Chapter 7. Troubleshooting Case Study: TINC Garbage Disposal
TINC Garbage Disposal Trouble Ticket 1Troubleshooting Lack of Backup Internet Connectivity Through GW2Information GatheringAnalyzing Information, Eliminating Possibilities, and Proposing a HypothesisProposing a Hypothesis, Testing the Hypothesis, and Solving the ProblemTroubleshooting BGP Neighbor RelationshipsTroubleshooting PC1’s Connectivity ProblemGathering InformationAnalyzing Information and Gathering Further InformationProposing a Hypothesis, Testing the Hypothesis, and Solving the ProblemTroubleshooting Port SecurityTroubleshooting PC2’s Connectivity ProblemGathering InformationEliminating Possibilities, Proposing a Hypothesis, and Testing the HypothesisSolving the ProblemTroubleshooting VLANsTINC Garbage Disposal Trouble Ticket 2Troubleshooting GW1’s OSPF Neighbor Relation Problem with Router R1Verifying the ProblemGathering InformationAnalyzing Information, Eliminating Possibilities, and Proposing a HypothesisTesting the Hypothesis and Solving the ProblemTroubleshooting OSPF AdjacencyTroubleshooting Secure Shell Version 2 Access to Router R2 from PC4Verifying the ProblemGathering InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemTroubleshooting SSH and TelnetTroubleshooting Duplicate Address Problem Discovered Through R1 and R2’s Log MessagesVerifying the ProblemGathering InformationAnalyzing the Information and Proposing a HypothesisTesting the Hypothesis and Solving the ProblemTroubleshooting HSRPTINC Garbage Disposal Trouble Ticket 3Troubleshooting Sporadic Internet Connectivity Problem Experienced by Users of PC1 and PC2Verifying and Defining the ProblemGathering InformationAnalyzing Information and Proposing a HypothesisTesting the Hypothesis and Solving the ProblemTroubleshooting Erroneous Routing InformationTroubleshooting Multiple Masters within a VRRPVerifying and Defining the ProblemGathering InformationAnalyzing the Information and Proposing a HypothesisTesting the Hypothesis, and Solving the ProblemTroubleshooting VRRPTroubleshooting EtherChannel Between ASW4 and ASW3Verifying the ProblemDefining the ProblemGathering InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemTroubleshooting EtherChannelTINC Garbage Disposal Trouble Ticket 4Troubleshooting Inconsistent and Sporadic Internet Connectivity Problem Experienced By Users of PC1 and PC2Verifying and Defining the ProblemGathering InformationAnalyzing Information and Proposing a HypothesisTesting the HypothesesSolving the ProblemTroubleshooting FHRPsTroubleshooting Sporadic Loss of Connectivity on PC4Verifying the Problem and Making a Troubleshooting PlanGathering InformationAnalyzing the Information and Gathering Further InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemThe Cisco IOS DHCP Snooping FeatureCisco Technical Assistance CenterTroubleshooting SSH Connection from PC4 to Router GW2Verifying the Problem and Making a Troubleshooting PlanGathering InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemSummaryReview Questions
Chapter 8. Troubleshooting Case Study: PILE Forensic Accounting
PILE Forensic Accounting Trouble Ticket 1Troubleshooting PILE’s Branch Connectivity to HQ and the InternetVerifying and Defining the ProblemGathering InformationAnalyzing InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemTroubleshooting EIGRP AdjacencyTroubleshooting PILE’s Secondary Internet Connection Through ISP2Verifying and Defining the ProblemGathering InformationAnalyzing Information and Proposing a HypothesisTesting the HypothesisSolving the ProblemPILE Forensic Accounting Trouble Ticket 2Troubleshooting Telnet Problem: From PC3 to BRGathering InformationTroubleshooting PILE Network’s Internet Access ProblemVerifying and Defining the ProblemGathering InformationAnalyzing Information, Eliminating Causes, and Gathering Further InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting BGPTroubleshooting PILE Network’s NTP ProblemVerifying the ProblemGathering InformationAnalyzing the Gathered Information and Gathering Further InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemTroubleshooting NTPPILE Forensic Accounting Trouble Ticket 3Troubleshooting PC3’s Lack of Internet Connectivity After the Disaster RecoveryVerifying the ProblemGathering Information (First Run)Analyzing Information, Proposing, and Testing the First HypothesisProposing and Testing the Second HypothesisGathering Further Information (Second Run)Proposing and Testing the Third HypothesisSolving the ProblemDisaster Recovery Best PracticesTroubleshooting Inter-VLAN RoutingTroubleshooting PC4’s Problem Accessing Cisco.comVerify the Problem and Select an ApproachGather Information and Analyze the InformationProposing and Testing a HypothesisSolve the ProblemTroubleshooting DNSRemote Device Management NotesPILE Forensic Accounting Trouble Ticket 4Troubleshooting Branch Site Internet Connectivity Problem After EIGRP ReconfigurationVerifying the ProblemGathering InformationGathering Further Information and Analyzing InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemThe EIGRP Stub ConfigurationThe New EIGRP Named ConfigurationTroubleshooting Management Access to ASW2Verifying the ProblemGathering InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemProviding a Default Route on Layer 2 And Multilayer DevicesPILE Forensic Accounting Trouble Ticket 5Troubleshooting the Redundant Internet Access Path Through the New HQ0 Edge RouterVerifying and Defining the ProblemGathering InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemTroubleshooting BGP Route SelectionTroubleshooting Unauthorized Telnet AccessVerifying the ProblemGathering InformationGathering Further Information and Analysis InformationProposing a Hypothesis and Testing the HypothesisSolving the ProblemSecuring the Management PlaneSummaryReview Questions
Chapter 9. Troubleshooting Case Study: Bank of POLONA
Bank of POLONA Trouble Ticket 1Troubleshooting PC3’s Lack of Connectivity to SRV2Verifying the ProblemGathering InformationAnalyzing Information and Proposing a Hypothesis, and Testing the HypothesisSolving the ProblemTroubleshooting RedistributionTroubleshooting VRRP with Interface TrackingVerifying the ProblemGathering InformationAnalyzing the InformationProposing and Testing a HypothesisSolving the ProblemFHRP Tracking OptionsTroubleshooting IP SLA Test Not StartingVerifying the ProblemGathering InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting IP SLABank of POLONA Trouble Ticket 2Troubleshooting Summarization Problem on BR3Verifying the ProblemGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting EIGRP SummarizationTroubleshooting PC0’s IPv6 Internet ConnectivityVerifying the ProblemGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting RIPngTroubleshooting Branch 3’s IPv6 Internet ConnectivityVerifying the ProblemGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting Access Control ListsBank of POLONA Trouble Ticket 3Troubleshooting Branch 1’s IP Connectivity to the HeadquartersVerifying the ProblemGathering InformationProposing and Testing a HypothesisGathering Further InformationProposing and Testing Another HypothesisSolving the ProblemTroubleshooting GRE TunnelsTroubleshooting Branch 3’s Route SummarizationVerifying the Problem and Choosing an ApproachGathering InformationAnalyzing the Information and Proposing a HypothesisTesting the Hypothesis and Solving the ProblemOSPF Summarization Tips and CommandsTroubleshooting AAA Authentication on the Branch 1 RouterVerifying the Problem and Choosing an ApproachGathering InformationProposing a HypothesisTesting the Hypothesis and Solving the ProblemTroubleshooting AAABank of POLONA Trouble Ticket 4Troubleshooting PC0’s Connectivity to IPv6 InternetVerifying the Problem and Choosing an ApproachGathering InformationAnalyzing the Information and Proposing and Testing a HypothesisGathering Further InformationAnalyzing Information and Proposing and Testing Another HypothesisSolving the ProblemTroubleshooting OSPF for IPv6Troubleshooting the Dysfunctional Totally Stubby Branch AreasVerifying the Problem and Choosing an ApproachGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemOSPF Stub AreasSummaryReview Questions
Chapter 10. Troubleshooting Case Study: RADULKO Transport
RADULKO Transport Trouble Ticket 1Mitigating Unauthorized Switches Added by EmployeesGathering InformationAnalyzing InformationProposing a Hypothesis and Solving the ProblemTroubleshooting Spanning Tree ProtocolTroubleshooting Policy-Based RoutingVerifying and Defining the ProblemGathering InformationAnalyzing the InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting PBRTroubleshooting Neighbor DiscoveryVerifying and Defining the ProblemGathering InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting CDP and LLDPRADULKO Transport Trouble Ticket 2Troubleshooting VLANs and PCs Connectivity ProblemsVerifying the ProblemGathering InformationAnalyzing the InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting VTPTroubleshooting Branch Router’s IPv6 ProblemsVerifying the ProblemGathering InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting EIGRP for IPv6Troubleshooting MP-BGP Session ProblemVerifying the ProblemGathering InformationAnalyzing the Information and Proposing a HypothesisSolving the ProblemTroubleshooting MP-BGPRADULKO Transport Trouble Ticket 3Troubleshooting PC1’s Problem Accessing the SRV Server at the Distribution CenterVerifying and Defining the ProblemGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting the OSPFv3 Address Families FeatureTroubleshooting OSPFv3 AuthenticationVerifying the ProblemGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemRADULKO Transport Trouble Ticket 4Troubleshooting Undesired External OSPF Routes in DST’s Routing TableVerifying and Defining the ProblemGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemTroubleshooting PCs IPv6 Internet AccessVerifying the ProblemGathering InformationAnalyzing InformationProposing and Testing a HypothesisSolving the ProblemSummaryReview Questions
Appendix A. Answers to Review Questions
Chapter 1Chapter 2Chapter 3Chapter 4Chapter 5Chapter 6Chapter 7Chapter 8Chapter 9Chapter 10
Index
Code Snippets

Content preview from Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide: (CCNP TSHOOT 300-135)

Contents at a Glance

Introduction

Chapter 1: Troubleshooting Methods

Chapter 2: Structured Troubleshooting

Chapter 3: Network Maintenance Tasks and Best Practices

Chapter 4: Basic Switching and Routing Process and Effective IOS Troubleshooting Commands

Chapter 5: Using Specialized Maintenance and Troubleshooting Tools

Chapter 6: Troubleshooting Case Study: SECHNIK Networking

Chapter 7: Troubleshooting Case Study: TINC Garbage Disposal

Chapter 8: Troubleshooting Case Study: PILE Forensic Accounting

Chapter 9: Troubleshooting Case Study: Bank of POLONA

Chapter 10: Troubleshooting Case Study: RADULKO Transport

Appendix A: Answers to Review Questions

Index

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.

Julian F.

Head of Cybersecurity

I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.

Addison B.

Field Engineer

I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.

Amir M.

Data Platform Tech Lead

I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.

Mark W.

Embedded Software Engineer

Cisco ASA: All-in-One Next-Generation Firewall, IPS, and VPN Services, Third Edition

Publisher Resources

ISBN: 9780133965926Purchase book

Cloud Computing

Data Engineering

Data Science

AI & ML

Programming Languages

Software Architecture

IT/Ops

Security

Design

Business

Soft Skills

Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide: (CCNP TSHOOT 300-135)

by Amir Ranjbar

Contents at a Glance

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.