This course gives networking professionals hands-on knowledge of how to troubleshoot a BIG-IP system using a number of troubleshooting techniques as well as troubleshooting and system tools. This course includes lectures, labs, and discussions.
F5 Networks Troubleshooting BIG-IP (F5 Networks Troubleshooting)
Schedule
- T85546
- 2 days
- 06/20/2024 - 06/21/2024*
- 7:00 AM
- (GMT -07:00) Pacific Daylight Time
- Presented via WebEx
- VC
Virtual Classroom
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- PC
Private Class
Privately train a group of your employees at your facility, virtually, or any of our locations.
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- LCLive Classroom
Live Classroom
Learn and interact with your instructor and peers in-person in our classrooms. - VCVirtual Classroom
Virtual Classroom
Attend any of our instructor-led classes virtually regardless of your physical location. - PCPrivate Class
Private Class
Privately train a group of your employees at your facility, virtually, or any of our locations. - GTRGuaranteed to Run
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*event may not be applicable to special offers or promotions.
Course Summary
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Description
Objectives
- Describe the role of the BIG-IP system as a full proxy device in an application delivery network;
- Set up, start/restart/stop, license, and provision the BIG-IP system;
- Create a basic network configuration on the BIG-IP system including VLANs and self IPs;
- Use the Configuration utility and TMOS Shell (tmsh) to manage BIG-IP resources and use as a resource when troubleshooting;
- Create, restore from, and manage BIG-IP archives;
- Understand and implement troubleshooting methodology to find and resolve issues;
- View resource status, availability, and statistical information and use this information to determine how the BIG-IP system is currently processing traffic;
- Use iApps to update BIG-IP configuration;
- Perform troubleshooting and problem determination activities including using the iHealth diagnostic tool, researching known issues and solutions on AskF5, submitting a problem ticket to F5 Technical Support, and view traffic flow using tcpdump;
- Understand the tools (ping, netstat, tcpdump, ssldump, WireShark, diff, Kdiff3, Fiddler, BIG-IP logs, etc.) available to use to identify BIG-IP and network issues from bottom to top;
- List log files available, understand log levels, and use the appropriate files, log levels, and filters for troubleshooting;
- Use High Speed Logging (HSL) and SNMP trap implementations to perform troubleshooting and problem determination activities;
- Describe the role of iRules in affecting traffic behavior and how to use them to aid with troubleshooting and problem determination.
Prerequisites
Administering BIG-IP, OSI model, TCP/IP addressing and routing, WAN, LAN environments, and server redundancy concepts; or having achieved TMOS Administration Certification
Who Should Attend
This course assumes that you have successfully completed the Administering BIG-IP course, or equivalent, and have hands-on experience working in a production BIG-IP environment for several months. You should have a solid understanding of the environment in which the BIG-IP is deployed. This course is meant for BIG-IP administrators, network engineers, applications engineers, etc., who will be responsible for troubleshooting problems associated with their BIG-IP system.
Outline
Lesson 1: Setting Up the BIG-IP System
- Introducing the BIG-IP System
- Initially Setting Up the BIG-IP System
- Archiving the BIG-IP System Configuration
Lesson 2: Reviewing Local Traffic Configuration
- Reviewing Nodes, Pools, and Virtual Servers
- Reviewing Address Translation
- Reviewing Routing Assumptions
- Reviewing Application Health Monitoring
- Reviewing Traffic Behavior Modification with Profiles
- Reviewing the TMOS Shell (TMSH)
- Reviewing Managing BIG-IP Configuration Data
- Reviewing High Availability (HA)
Lesson 3: Troubleshooting Methodology
- Step-By-Step Process
- Step 1: State the Problem
- Step 2: Specify the Problem
- Step 3: Map the System
- Step 4: Develop Possible Causes
- Step 5: Test Theories
- Step 6: Iterate Until Root Cause Identified
- Documenting a Problem
- Putting Troubleshooting Steps to Use
Lesson 4: Working with F5 Support
- Leveraging F5 Support Resources
- AskF5.com
- DevCentral
- iHealth
- Leveraging F5 Labs
- Working with F5 Technical Support
- Running End User Diagnostics (EUD) – Hardware Only
- New Platform Diagnostic Tools
- Always-On Management (AOM) Subsystem
- Requesting Return Materials Authorization
- F5?s Software Version Policy
- Managing the BIG-IP License for Upgrades
- Managing BIG-IP Disk Space
- Upgrading BIG-IP Software
Lesson 5: Troubleshooting ? Bottom to Top
- Introducing Differences between BIG-IP and LINUX Tools
- Troubleshooting with Layer 1/Layer 2 Tools
- Troubleshooting with Layer 2/Layer 3 Tools
- Troubleshooting with Layer 3 Tools
- Troubleshooting with LINUX Tools
- Troubleshooting Memory and CPU
- Troubleshooting with watch
- Troubleshooting with Additional tmsh commands
Lesson 6: Troubleshooting Tools
- tcpdump
- Wireshark
- ssldump
- Fiddler
- diff
- KDiff3
- cURL
Lesson 7: Using System Logs
- Configuring Logging
- Log Files
- Understanding BIG-IP Daemons Functions
- Triggering an iRule
- Deploying and Testing iRules
- Application Visibility and Reporting
Lesson 8: Troubleshooting Lab Projects
- Network Configurations for Project