F5 Networks Troubleshooting BIG-IP
Course Overview
As traffic grows, small faults have bigger consequences. A misbehaving monitor or a slowly filling disk that went unnoticed at low volume can take a busy service offline. F5 Troubleshooting BIG-IP training helps operations teams find those problems early and shorten the outages they can’t prevent.
Outage length usually comes down to time spent looking in the wrong place. The course’s step-by-step troubleshooting method addresses that by having you define the problem and its scope before changing anything. Documenting each step keeps the team aligned during an incident and gives you a clear record afterward.
Resource pressure is a common theme on growing systems. You learn to check CPU and memory with tmsh and Linux tools, watch counters change in real time with the watch command, and manage BIG-IP disk space before it causes trouble. Daemon knowledge helps as well. When health monitors behave oddly under load, knowing that bigd runs them tells you where to look.
Network checks follow a bottom-to-top order, from interfaces and VLANs to ARP, self IPs, and routing. When those checks pass, and users still see errors, packet capture takes over. You capture with tcpdump, analyze in Wireshark, inspect TLS with ssldump, and test pool members directly with curl. Fiddler confirms what the application actually returns, and Application Visibility and Reporting adds a view of traffic trends.
Logs supply the timeline. You configure logging levels, read the main log files, send events to remote logging servers, and add iRule logging when specific requests need more detail.
The course also covers BIG-IP setup, a review of local traffic and high availability, and working with F5 support through iHealth and support cases. Upgrade planning and F5’s software version policy are included, since staying on a supported version reduces exposure to known issues. Lab projects then put the full process to work.
Course Objectives
You will learn to:
- Isolate the cause of an outage using a defined, documented troubleshooting process.
- Analyze CPU, memory, and disk usage with tmsh, Linux tools, and watch.
- Identify monitor and daemon issues by reading BIG-IP log files at the right logging level.
- Resolve connectivity faults by checking interfaces, VLANs, ARP, self IPs, and routing in sequence.
- Capture traffic with tcpdump and confirm the failure point in Wireshark.
- Test pool members and application responses with curl, Fiddler, and ssldump.
- Monitor traffic trends with an analytics profile and AVR statistics.
- Plan upgrades and disk space management in line with F5’s software version policy.
- Escalate to F5 support with iHealth findings and clear case documentation.
Target Audience
- F5 BIG-IP administrators: Build a reliable process for the incidents that land on your desk.
- Network engineers: Prove whether a fault is in the network, the BIG-IP, or the servers.
- Application delivery engineers: Trace application errors through BIG-IP with packet and HTTP analysis.
- NOC and technical support engineers: Collect the evidence that speeds up escalation.
- Systems and server administrators: See your servers from BIG-IP's point of view when pool members fail.
- Data center and infrastructure specialists: Diagnose platform issues such as disk space, CPU, and hardware faults.
- Security operations staff working with BIG-IP: Use logs and captures to investigate unusual traffic.
- Teams running BIG-IP in production: Agree on one troubleshooting method and toolset across shifts.
Course Content
5 modules · 41 topics01Module 1: Setting Up the BIG-IP System3 topics
- Introducing the BIG-IP System
- Initially Setting Up the BIG-IP System
- Archiving the BIG-IP System Configuration
02Module 2: Reviewing Local Traffic Configuration8 topics
- 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
03Module 3: Troubleshooting Methodology8 topics
- 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
04Module 4: Working with F5 Support14 topics
- 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
05Module 5: Troubleshooting - Bottom to Top8 topics
- 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 Network Communication
- Troubleshooting Memory and CPU
- Troubleshooting with watch
- Troubleshooting with Additional tmsh commands
Schedule Dates
4 upcoming batches| Batch Dates | Duration | Batch Options | Language | Action |
|---|---|---|---|---|
| 14 December 2026 - 15 December 2026 | 2 Days | 4 hours & 8 hours | English / Arabic | |
| 15 March 2027 - 16 March 2027 | 2 Days | 4 hours & 8 hours | English / Arabic | |
| 21 June 2027 - 22 June 2027 | 2 Days | 4 hours & 8 hours | English / Arabic | |
| 27 September 2027 - 28 September 2027 | 2 Days | 4 hours & 8 hours | English / Arabic |
Can’t find a suitable date? Request a schedule that fits your team.
Request More InformationF5 Troubleshooting BIG-IP Training in Tanzania’s Digital Economy
Mobile money, digital banking, and online public services have greatly increased the number of transactions that depend on application uptime. When a BIG-IP-delivered service slows or fails, customers notice at once. Our F5 Troubleshooting BIG-IP training in Tanzania helps engineers in Dar es Salaam, Arusha, and Dodoma shorten those outages with a clear method, packet captures, and log analysis. Organizations handling customer data under the Personal Data Protection Act, or operating in sectors regulated by TCRA, also benefit from engineers who investigate incidents carefully and keep accurate records. This BIG-IP troubleshooting course in Dar es Salaam builds on our Administering BIG-IP course. Teams can add BIG-IP LTM training for deeper traffic management skills or arrange private training for operations teams. To plan your next step, view the course outline or talk to our training team.
FAQs
What is F5's Troubleshooting BIG-IP course?
It is F5’s advanced course on diagnosing and resolving BIG-IP problems. It teaches a structured troubleshooting method and the tools to support it, covering network checks, packet and HTTP analysis, system logs, and F5 support resources. The course is instructor-led with hands-on labs and ends with troubleshooting projects.
What does the course cover, and which tools are used?
It covers system setup and review, troubleshooting methodology, F5 support, platform topics such as disk space and upgrades, bottom-to-top network diagnosis, tools, and logs. You’ll use tmsh, watch, bigtop, tcpdump, Wireshark, ssldump, Fiddler, curl, diff, and KDiff3, plus iHealth, iRule logging, and Application Visibility and Reporting.
Which professionals should take this course?
Professionals who support BIG-IP in production should take it. F5 aims it at administrators responsible for the daily operation of a BIG-IP network. NOC staff, network and application delivery engineers, and systems administrators supporting busy services such as payments or banking will also benefit. You should already know how to configure basic BIG-IP objects.
What do I need before starting?
You need one F5 prerequisite: Administering BIG-IP, the F5 Certified BIG-IP Administrator credential, or the Administering BIG-IP Equivalency Assessment. F5 also expects you to configure basic BIG-IP objects and use the Linux command line. Solid knowledge of Ethernet, ARP, TCP/IP, subnetting, HTTP, and TLS/SSL is recommended. F5’s free Getting Started courses are optional preparation.
Which skills will I take back to work?
You will take back a structured incident process and the tools to support it. You’ll be able to spot resource pressure, isolate network faults, read captures and logs, test applications directly, and plan safer upgrades. You will also know how to involve F5 support with iHealth data and a well-documented case.
Do I become F5 certified by completing this training?
No. Completing the training doesn’t award certification. You must pass F5 exams separately. The F5 Certified Administrator, BIG-IP requires exams F5CAB1 to F5CAB5, including one focused on support and troubleshooting. The BIG-IP LTM specialist credential requires exams 301a and 301b. F5 does not tie this course to one exam, though it supports related study.
Why do structured troubleshooting and log review matter as traffic grows?
They keep outages short when the cost of downtime is rising. A method stops teams from making rushed, untested changes. Logs and captures show the cause directly, whether it is a failing monitor, a full disk, or a routing error. Clear records also help prevent the same incident from returning.
How does the course help my professional growth?
It gives you practical troubleshooting skills that apply wherever BIG-IP supports customer-facing services. These skills can make you more effective during incidents and planning work. The course doesn’t promise employment, promotion, or salary changes. Those depend on your experience and your organization.
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