Cisco ThousandEyes, the cloud-based network intelligence tool, delivers expanded visibility, automated insights, and seamless workflows to ensure digital experiences across any networkwhether on premise, on the Internet, or in the cloud. ThousandEyes is the authority when monitoring SaaS, hybrid, and multi-cloud environments. With unparalleled real-time analytics and insights, it enables IT admins to quickly identify and resolve issues for a reduction of downtime and improved user experience. In Cisco ThousandEyes, network solutions specialists Aaron Trompeter and Robert Webb offer a deep dive…mehr
Cisco ThousandEyes, the cloud-based network intelligence tool, delivers expanded visibility, automated insights, and seamless workflows to ensure digital experiences across any networkwhether on premise, on the Internet, or in the cloud. ThousandEyes is the authority when monitoring SaaS, hybrid, and multi-cloud environments. With unparalleled real-time analytics and insights, it enables IT admins to quickly identify and resolve issues for a reduction of downtime and improved user experience. In Cisco ThousandEyes, network solutions specialists Aaron Trompeter and Robert Webb offer a deep dive into the intricacies and power of the Cisco ThousandEyes platform and demonstrate how to leverage it to solve complex problems and optimize your digital experience. Through real-world experiences and use cases, the authors demonstrate how to plan and design network monitoring solutions, as well as how to improve performance and availability. Youll also learn how ThousandEyes can be integrated with other Cisco products and third-party tools. This is an essential resource for any network administrator, DevOps engineer, IT professional, enterprise IT team, cloud engineer, application team, and service provider responsible for managing and optimizing the performance of an organizations network infrastructure and application performance. * Explore Cisco ThousandEyes and its capabilities, and learn how to harness its potential for your organization * Delve into agent setup, test configurations, alerts, and dashboards, and learn how to apply them effectively * Understand the intricacies of monitoring and troubleshooting network performance issues, and use these skills to enhance network efficiency * Conduct advanced tests using transactional scripts and integrations, and use them for complex problem-solving * Implement best practices for test optimization and device monitoring to ensure optimal functionality * Understand the importance of account settings and automation and their roles in streamlining operations * Align the role of business strategy in the context of digital experience monitoring with your organizations goalsHinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.
Aaron Trompeter is a technical solutions architect within the ThousandEyes global enterprise segment at Cisco, focusing on visibility and operational awareness for onprem, SaaS, and cloud native. In this role, he aligns his passion for education and learning with his motivation for helping the infrastructure community grow and learn to harness tools to provide use cases that fit each organization. Prior to this role, Aaron spent 6 years as a data center TSA within Cisco and had a few other roles within Cisco as a service provider specialist and software engineer in the Cloud Engineering unit. Aaron has more than 20 years of experience in the IT and engineering areas and has continued to focus on networking and software. Rob Webb began his technical career when, at 17 years old, he enlisted in the military as a teletype technician. His military service spanned more than 28 years, during which time he trained and worked in telecommunications systems, F-4 and F-16 avionics systems, and, eventually, Cyber Warfare Operations. Most of this time was spent working part-time in the Air National Guard. This allowed Rob to not only get the benefits of military training and experience but also to pursue a full-time career outside the military. He went from pulling cable to IT professional services to protocol analysis to pre-sales engineering/solutions architecture. Rob even ran his own consulting service, WEBNET Communication, where he achieved industry-recognized certifications in protocol analysis, which include Certified Network Expert (CNX), Sniffer Certified (SCM), and Certified NetAnalyst. Rob has spent his career solving complex problems for customers and helping them design and implement monitoring solutions so they can better solve those problems themselves. He has spent many hours collecting and analyzing packets to understand not only what is happening in each situation, but also what should be happening and what can be done to improve it. He often refers to these as opportunities for optimization. Rob joined ThousandEyes as a sales engineer in March, 2020. When Rob is not working, he keeps busy by enjoying outdoor activities such as fishing and photography. Now he combines the two in his sportfishing photography. You can follow Rob on LinkedIn (www.linkedin.com/in/robertwebbcyberguy) or Instagram (@photographyinspiredbylife).
Inhaltsangabe
Introduction xvi Chapter 1 Introduction to ThousandEyes and Its Capabilities 1 How ThousandEyes Was Conceived 1 Understanding ThousandEyes Use Cases 2 Fundamental Network Metrics 3 Its the Network 3 Operational Impact 3 Packet Loss 4 Network Latency 7 Maximum Theoretical Throughput 11 Results 15 Review Questions 16 Chapter 2 Agent Setup 17 Enterprise Agents 17 Enterprise Agent Installation 18 Cisco Application Framework Installation 18 Open Virtual Appliance Installation 25 Enterprise Agent Using Docker 33 Enterprise Agent Using Linux 37 Enterprise Agent Utilization 39 Agent Cluster and Agent Clustering 41 Enterprise Agent Placement 44 Cloud Agents 45 Endpoint Agents 46 Review Questions 48 Chapter 3 Configuring Tests 49 Tests for Enterprise and Cloud Agents 49 Routing Layer 49 Configure Inside-Out BGP Visibility 51 Network Layer 53 Agent to Agent Test 53 Agent to Server Test 56 DNS Layer 58 DNS Server Test 59 DNS Trace Test 62 DNSSEC Test 64 Web Layer 66 HTTP Server Test 66 Page Load Tests 70 Transaction Test 73 FTP Server Test 74 Voice Layer 76 SIP Server Test 78 RTP Stream Test 80 Endpoint Agent Tests 82 Adding Multiple Tests to a Template 90 Dynamic Tests 90 Real User Tests 97 Monitored Domain Set 97 How Real User Tests Work 97 Review Questions 99 Chapter 4 Configuring Alerts 101 Alert Rules 101 Alert Conditions 103 Alert Notifications 104 Email Notifications 104 Webhooks 105 Alert Suppression 107 Finding the Source of the Alert 109 Alert History 110 Review Questions 110 Chapter 5 Dashboards 111 Dashboard Basics 111 Widgets 114 Creating a New Dashboard 116 Review Questions 121 Chapter 6 Monitoring and Troubleshooting Network Performance Issues 123 Understanding Views 123 Understanding Network Monitoring 125 System/Application Testing 127 End-to-End Network Testing 127 Hop-by-Hop Network Testing (Path Visualization) 129 SD-WAN Performance Monitoring 134 Network Overlay 134 Network Underlay 135 MPLS Performance Monitoring 136 MTU Best Practices 137 Overlay Network MTU 138 Underlay Network MTU 140 Alerting 141 Overloaded: An NFL Story 142 Review Questions 145 Chapter 7 Scripted Synthetic User Testing with Transaction Tests 147 What Is Selenium? 148 Page Load Test Versus Transaction Test 148 Set Up and Create a Transaction Test with the ThousandEyes Recorder 149 Troubleshooting and Debugging Transaction Test Scripts 153 Transaction Test Script Best Practices 154 Viewing the Transaction Test Data 155 Full Stack Observability for the Network Engineer 158 Output 158 Input 159 Processes 161 Review Questions 162 Chapter 8 Integrations 163 API Basics 163 Custom Webhooks 166 ServiceNow Integration 168 Cisco Integrations 175 Cisco Catalyst Center (Formerly Cisco DNA Center) 175 Cisco Meraki 181 Cisco Webex Control Hub 185 Cisco AppDynamics 187 Cisco SD-WAN 192 OpenTelemetry Integration 197 Review Questions 202 Chapter 9 Best Practices: Test Optimization, Collaboration, and Stories from the Field 203 ThousandEyes Test Optimization 203 End-to-End Testing: Probing Mode 206 Cumulative Acknowledgements 206 Selective Acknowledgements 208 SYN 210 Path Visualization 211 Path Trace Mode 211 No. of Path Traces 215 Probing and Path Trace Modes for Different Agent Types 216 Monitoring Collaboration Meetings 216 Webex 218 Cloud & Enterprise Agents 218 Endpoint Agents 218 Internet Insights 221 Teams 222 Cloud and Enterprise Agents 222 Endpoint Agents 227 Internet Insights 230 Zoom 231 Cloud and Enterprise Agents 232 Endpoint Agents 232 Internet Insights 233 Stories from the Field 235 FTP Throughput Analysis and Optimization 235 User Experience Versus Application Performance MetricCall Center SLA 239 Connections Failing at Load Balancer 241 Load Balancing with 20% Failure Rate 243 When MSS Matters 244 Bizarre Failure Is Not Adding Up 248 Problem Description 248 First Progress 249 Hypothesis 250 First Significant Finding 250 Eureka! 251 Review Questions 253 Chapter 10 Device Monitoring 255 ThousandEyes Device Monitoring 255 Device Discovery 259 Scheduled Discovery 262 Discovered Devices 264 Device Details 265 Device Alerts 266 Device Notifications 269 Device Views 269 Path Visualization with Device Monitoring 272 Operational Insights 273 Replacing a Device with a New Piece of Hardware 273 Polling 273 Topology 273 Agent Clusters 274 Review Questions 274 Chapter 11 Account Administration 275 Adding a New User 275 Default Roles 276 Account Groups 277 Role-Based Access Control 279 Single Sign-On with ThousandEyes 281 Identity Provider Setup 282 ThousandEyes Setup 282 Imported Metadata Configuration 284 Activity Log 285 Time Selector 286 Add a Filter 287 Download Logs 288 Usage 289 Usage Tab 290 Quotas Tab 291 Review Questions 293 Chapter 12 AutomationUse Cases and Case Studies 295 Use Case 1: Automated Testing Basics 295 Webhooks on GitHub 296 Use Case 2: Jenkins 297 Use Case 3: Ansible Playbook 299 Use Case 4: Kubernetes 300 Scaling ThousandEyes via Automation 301 Operationalizing 301 Dashboards for Comparisons 301 Inside Your Network vs. Outside Your Network (the Internet) 302 Comparing ISPs 304 Comparing In-Office and Outside-of-Office User Experience 304 Comparing Inside a Building by Floors and Zones 306 Data Center Monitoring 306 VXLAN Versus Traditional Layer 2/Layer 3 307 Agent Placement 307 Additional Note for Cisco Nexus Devices 308 Review Questions 308 Chapter 13 Business Strategy for Engineers 309 Bridge the Divide: Aligning Technical Expertise with Business Strategy 309 Appendix A Answers to Review Questions 315 Appendix B Troubleshooting 323 Glossary 333 9780138309183 TOC 8/1/2024
Introduction xvi Chapter 1 Introduction to ThousandEyes and Its Capabilities 1 How ThousandEyes Was Conceived 1 Understanding ThousandEyes Use Cases 2 Fundamental Network Metrics 3 Its the Network 3 Operational Impact 3 Packet Loss 4 Network Latency 7 Maximum Theoretical Throughput 11 Results 15 Review Questions 16 Chapter 2 Agent Setup 17 Enterprise Agents 17 Enterprise Agent Installation 18 Cisco Application Framework Installation 18 Open Virtual Appliance Installation 25 Enterprise Agent Using Docker 33 Enterprise Agent Using Linux 37 Enterprise Agent Utilization 39 Agent Cluster and Agent Clustering 41 Enterprise Agent Placement 44 Cloud Agents 45 Endpoint Agents 46 Review Questions 48 Chapter 3 Configuring Tests 49 Tests for Enterprise and Cloud Agents 49 Routing Layer 49 Configure Inside-Out BGP Visibility 51 Network Layer 53 Agent to Agent Test 53 Agent to Server Test 56 DNS Layer 58 DNS Server Test 59 DNS Trace Test 62 DNSSEC Test 64 Web Layer 66 HTTP Server Test 66 Page Load Tests 70 Transaction Test 73 FTP Server Test 74 Voice Layer 76 SIP Server Test 78 RTP Stream Test 80 Endpoint Agent Tests 82 Adding Multiple Tests to a Template 90 Dynamic Tests 90 Real User Tests 97 Monitored Domain Set 97 How Real User Tests Work 97 Review Questions 99 Chapter 4 Configuring Alerts 101 Alert Rules 101 Alert Conditions 103 Alert Notifications 104 Email Notifications 104 Webhooks 105 Alert Suppression 107 Finding the Source of the Alert 109 Alert History 110 Review Questions 110 Chapter 5 Dashboards 111 Dashboard Basics 111 Widgets 114 Creating a New Dashboard 116 Review Questions 121 Chapter 6 Monitoring and Troubleshooting Network Performance Issues 123 Understanding Views 123 Understanding Network Monitoring 125 System/Application Testing 127 End-to-End Network Testing 127 Hop-by-Hop Network Testing (Path Visualization) 129 SD-WAN Performance Monitoring 134 Network Overlay 134 Network Underlay 135 MPLS Performance Monitoring 136 MTU Best Practices 137 Overlay Network MTU 138 Underlay Network MTU 140 Alerting 141 Overloaded: An NFL Story 142 Review Questions 145 Chapter 7 Scripted Synthetic User Testing with Transaction Tests 147 What Is Selenium? 148 Page Load Test Versus Transaction Test 148 Set Up and Create a Transaction Test with the ThousandEyes Recorder 149 Troubleshooting and Debugging Transaction Test Scripts 153 Transaction Test Script Best Practices 154 Viewing the Transaction Test Data 155 Full Stack Observability for the Network Engineer 158 Output 158 Input 159 Processes 161 Review Questions 162 Chapter 8 Integrations 163 API Basics 163 Custom Webhooks 166 ServiceNow Integration 168 Cisco Integrations 175 Cisco Catalyst Center (Formerly Cisco DNA Center) 175 Cisco Meraki 181 Cisco Webex Control Hub 185 Cisco AppDynamics 187 Cisco SD-WAN 192 OpenTelemetry Integration 197 Review Questions 202 Chapter 9 Best Practices: Test Optimization, Collaboration, and Stories from the Field 203 ThousandEyes Test Optimization 203 End-to-End Testing: Probing Mode 206 Cumulative Acknowledgements 206 Selective Acknowledgements 208 SYN 210 Path Visualization 211 Path Trace Mode 211 No. of Path Traces 215 Probing and Path Trace Modes for Different Agent Types 216 Monitoring Collaboration Meetings 216 Webex 218 Cloud & Enterprise Agents 218 Endpoint Agents 218 Internet Insights 221 Teams 222 Cloud and Enterprise Agents 222 Endpoint Agents 227 Internet Insights 230 Zoom 231 Cloud and Enterprise Agents 232 Endpoint Agents 232 Internet Insights 233 Stories from the Field 235 FTP Throughput Analysis and Optimization 235 User Experience Versus Application Performance MetricCall Center SLA 239 Connections Failing at Load Balancer 241 Load Balancing with 20% Failure Rate 243 When MSS Matters 244 Bizarre Failure Is Not Adding Up 248 Problem Description 248 First Progress 249 Hypothesis 250 First Significant Finding 250 Eureka! 251 Review Questions 253 Chapter 10 Device Monitoring 255 ThousandEyes Device Monitoring 255 Device Discovery 259 Scheduled Discovery 262 Discovered Devices 264 Device Details 265 Device Alerts 266 Device Notifications 269 Device Views 269 Path Visualization with Device Monitoring 272 Operational Insights 273 Replacing a Device with a New Piece of Hardware 273 Polling 273 Topology 273 Agent Clusters 274 Review Questions 274 Chapter 11 Account Administration 275 Adding a New User 275 Default Roles 276 Account Groups 277 Role-Based Access Control 279 Single Sign-On with ThousandEyes 281 Identity Provider Setup 282 ThousandEyes Setup 282 Imported Metadata Configuration 284 Activity Log 285 Time Selector 286 Add a Filter 287 Download Logs 288 Usage 289 Usage Tab 290 Quotas Tab 291 Review Questions 293 Chapter 12 AutomationUse Cases and Case Studies 295 Use Case 1: Automated Testing Basics 295 Webhooks on GitHub 296 Use Case 2: Jenkins 297 Use Case 3: Ansible Playbook 299 Use Case 4: Kubernetes 300 Scaling ThousandEyes via Automation 301 Operationalizing 301 Dashboards for Comparisons 301 Inside Your Network vs. Outside Your Network (the Internet) 302 Comparing ISPs 304 Comparing In-Office and Outside-of-Office User Experience 304 Comparing Inside a Building by Floors and Zones 306 Data Center Monitoring 306 VXLAN Versus Traditional Layer 2/Layer 3 307 Agent Placement 307 Additional Note for Cisco Nexus Devices 308 Review Questions 308 Chapter 13 Business Strategy for Engineers 309 Bridge the Divide: Aligning Technical Expertise with Business Strategy 309 Appendix A Answers to Review Questions 315 Appendix B Troubleshooting 323 Glossary 333 9780138309183 TOC 8/1/2024
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