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Troubleshooting BIG-IP LTM


“F5 Troubleshooting BIG-IP LTM” training, 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.


LTM Essentials veya Configuring BIG-IP LTM V11 eğitimleri alınmış olmalıdır.

Students should be familiar with the BIG-IP LTM system and, in particular, how to setup and configure a BIG-IP LTM system, including virtual servers, pools, profiles, VLANs and self-IPs.

Students are required to complete one of the following F5 prerequisites before attending this course:

Students should understand:

  • TMOS administration
  • Network concepts and configuration
  • Programming concepts
Kurs Süresi
  • Instructor-led training: 2 days with hands-on lab practice
  • Virtual instructor-led training: 2 days of web-based classes with hands-on lab practice
  • Kurs İçeriği

    This course gives networking professionals hands-on knowledge of how to troubleshoot a BIG-IP LTM system using a number of troubleshooting techniques as well as troubleshooting and system tools. This course includes lectures, labs, and discussions.

    Topics covered in this course include:

    • Configuration Project
    • Troubleshooting Methodology
    • F5 Support
    • BIG-IP Product Architecture
    • Troubleshooting - Bottom to Top
    • Troubleshooting Tools
    • Using System Logs

    Throughout this course you will have access to a BIG-IP that uses a typical Internal-External VLAN architecture with a pool of servers (HTTP, HTTPS, SSH, FTP, etc) along with web application servers. In the lab for this module, you will license the BIG-IP, set up the Internal and External VLANs, and create the Pools and Virtual Servers that you will use as part of your troubleshooting exercises.

    In addition to the topics above, lab exercises will provide a chance to practice troubleshooting problems using the BIG-IP information, troubleshooting methodology, and tools that you have learned.

    Kurs Hedefleri
    • 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.
    Ders İçeriği

    Chapter 1: Setting Up the BIG-IP System

    • Introducing the BIG-IP System
    • Initially Setting Up the BIG-IP System
    • Backing Up and Restoring BIG-IP Configurations
    • Leveraging F5 Support Resources and Tools

    Chapter 1B: Configuring the BIG-IP System

    Chapter 2: Troubleshooting Methodology

    • Troubleshooting Steps
    • The Troubleshooting Process
    • Example 1
    • Example 2

    Chapter 3: F5 Support

    • Support Overview
    • AskF5
    • DevCentral
    • BIG-IP iHealth
    • Support Cases
    • Software Version Policy
    • System Upgrades: Hotfixes, Releases
    • EUD and RMA

    Chapter 4: Product Architecture

    • Architecture Overview
    • AOM
    • Switch Fabric
    • Host Subsystem

    Chapter 5: Troubleshooting – Bottom to Top

    • Host Architecture
    • Layer 1 / Layer 2 Tools
    • Layer 2 / Layer 3 Tools
    • Layer 3 Tools
    • Linux Tools
    • Memory and CPU
    • watch
    • Additional tmsh commands
    • End-User Diagnostics (EUD)

    Chapter 6: Troubleshooting Tools

    • tcpdump
    • Wireshark
    • Fiddler
    • diff
    • Kdiff3
    • ssldump
    • cURL

    Chapter 7: Using System Logs

    • System Log Configuration
    • Log Files
    • Custom Logging Using iRules

    Chapter 8: Troubleshooting Lab Projects

    • Network Configurations for Projects
    Kimler Katılmalı

    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.


    F5-CTS LTM Requirements
    – F5-CA Certification


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