<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE FL_Course SYSTEM "https://www.flane.de/dtd/fl_course095.dtd"><?xml-stylesheet type="text/xsl" href="https://portal.flane.ch/css/xml-course.xsl"?><course productid="11286" language="en" source="https://portal.flane.ch/swisscom/en/xml-course/f5networks-trg-big-trbl-int2" lastchanged="2025-11-06T13:29:44+01:00" parent="https://portal.flane.ch/swisscom/en/xml-courses"><title>Troubleshooting BIG-IP</title><productcode>TRG-BIG-TRBL-INT2</productcode><vendorcode>F5</vendorcode><vendorname>F5 Networks</vendorname><fullproductcode>F5-TRG-BIG-TRBL-INT2</fullproductcode><version>16.1</version><objective>&lt;ul&gt;
&lt;li&gt;Describe the role of the BIG-IP system as a full proxy device in an application delivery network&lt;/li&gt;&lt;li&gt;Set up, start/restart/stop, license, and provision the BIG-IP system&lt;/li&gt;&lt;li&gt;Create a basic network configuration on the BIG-IP system including VLANs and self IPs&lt;/li&gt;&lt;li&gt;Use the Configuration utility and TMOS Shell (tmsh) to manage BIG-IP resources and use as a resource when troubleshooting&lt;/li&gt;&lt;li&gt;Create, restore from, and manage BIG-IP archives&lt;/li&gt;&lt;li&gt;Understand and implement troubleshooting methodology to find and resolve issues&lt;/li&gt;&lt;li&gt;View resource status, availability, and statistical information and use this information to determine how the BIG-IP system is currently processing traffic&lt;/li&gt;&lt;li&gt;Use iApps to update BIG-IP configuration&lt;/li&gt;&lt;li&gt;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&lt;/li&gt;&lt;li&gt;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&lt;/li&gt;&lt;li&gt;List log files available, understand log levels, and use the appropriate files, log levels, and filters for troubleshooting&lt;/li&gt;&lt;li&gt;Use High Speed Logging (HSL) and SNMP trap implementations to perform troubleshooting and problem determination activities&lt;/li&gt;&lt;li&gt;Describe the role of iRules in affecting traffic behavior and how to use them to aid with troubleshooting and problem determination&lt;/li&gt;&lt;/ul&gt;</objective><essentials>&lt;p&gt;Students must complete one of the following F5 prerequisites before attending this course:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;span class=&quot;cms-link-marked&quot;&gt;&lt;a class=&quot;fl-href-prod&quot; href=&quot;/swisscom/en/course/f5networks-trg-big-op-admin&quot;&gt;&lt;svg role=&quot;img&quot; aria-hidden=&quot;true&quot; focusable=&quot;false&quot; data-nosnippet class=&quot;cms-linkmark&quot;&gt;&lt;use xlink:href=&quot;/css/img/icnset-linkmarks.svg#linkmark&quot;&gt;&lt;/use&gt;&lt;/svg&gt;Administering BIG-IP &lt;span class=&quot;fl-prod-pcode&quot;&gt;(TRG-BIG-OP-ADMIN)&lt;/span&gt;&lt;/a&gt;&lt;/span&gt; instructor-led course&lt;/li&gt;&lt;li&gt;F5 Certified BIG-IP Administrator&lt;/li&gt;&lt;/ul&gt;&lt;p&gt;The following free web-based courses, although optional, will be very helpful for any student with limited BIG-IP administration and configuration experience:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Getting Started with BIG-IP web-based training&lt;/li&gt;&lt;li&gt;Getting Started with BIG-IP Local Traffic Manager (LTM) web-based training&lt;/li&gt;&lt;/ul&gt;&lt;p&gt;The following general network technology knowledge and experience are recommended before attending any F5 Global Training Services instructor-led course:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;OSI model encapsulation&lt;/li&gt;&lt;li&gt;Routing and switching&lt;/li&gt;&lt;li&gt;Ethernet and ARP&lt;/li&gt;&lt;li&gt;TCP/IP concepts&lt;/li&gt;&lt;li&gt;IP addressing and subnetting&lt;/li&gt;&lt;li&gt;NAT and private IP addressing&lt;/li&gt;&lt;li&gt;Default gateway&lt;/li&gt;&lt;li&gt;Network firewalls&lt;/li&gt;&lt;li&gt;LAN vs. WAN&lt;/li&gt;&lt;/ul&gt;&lt;p&gt;The following course-specific knowledge and experience is suggested before attending this course:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;HTTP, HTTPS, FTP and SSH protocols&lt;/li&gt;&lt;/ul&gt;</essentials><audience>&lt;p&gt;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.&lt;/p&gt;</audience><contents>&lt;ul&gt;
&lt;li&gt;Setting Up the BIG-IP System&lt;/li&gt;&lt;li&gt;Reviewing Local Traffic Configuration&lt;/li&gt;&lt;li&gt;Troubleshooting Methodology&lt;/li&gt;&lt;li&gt;Working with F5 Support&lt;/li&gt;&lt;li&gt;Troubleshooting &amp;ndash; Bottom to Top&lt;/li&gt;&lt;li&gt;Troubleshooting Tools&lt;/li&gt;&lt;li&gt;Using System Logs&lt;/li&gt;&lt;li&gt;Troubleshooting Lab Projects&lt;/li&gt;&lt;/ul&gt;</contents><outline>&lt;h5&gt;Chapter 1: Setting Up the BIG-IP System&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;Introducing the BIG-IP System&lt;/li&gt;&lt;li&gt;Initially Setting Up the BIG-IP System&lt;/li&gt;&lt;li&gt;Archiving the BIG-IP System Configuration&lt;/li&gt;&lt;/ul&gt;&lt;h5&gt;Chapter 2: Reviewing Local Traffic Configuration&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;Reviewing Nodes, Pools, and Virtual Servers&lt;/li&gt;&lt;li&gt;Reviewing Address Translation&lt;/li&gt;&lt;li&gt;Reviewing Routing Assumptions&lt;/li&gt;&lt;li&gt;Reviewing Application Health Monitoring&lt;/li&gt;&lt;li&gt;Reviewing Traffic Behavior Modification with Profiles&lt;/li&gt;&lt;li&gt;Reviewing the TMOS Shell (TMSH)&lt;/li&gt;&lt;li&gt;Reviewing Managing BIG-IP Configuration Data&lt;/li&gt;&lt;li&gt;Reviewing High Availability (HA)&lt;/li&gt;&lt;/ul&gt;&lt;h5&gt;Chapter 3: Troubleshooting Methodology&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;Step-By-Step Process&lt;/li&gt;&lt;li&gt;Step 1: State the Problem&lt;/li&gt;&lt;li&gt;Step 2: Specify the Problem&lt;/li&gt;&lt;li&gt;Step 3: Map the System&lt;/li&gt;&lt;li&gt;Step 4: Develop Possible Causes&lt;/li&gt;&lt;li&gt;Step 5: Test Theories&lt;/li&gt;&lt;li&gt;Step 6: Iterate Until Root Cause Identified&lt;/li&gt;&lt;li&gt;Documenting a Problem&lt;/li&gt;&lt;li&gt;Putting Troubleshooting Steps to Use&lt;/li&gt;&lt;/ul&gt;&lt;h5&gt;Chapter 4: Working with F5 Support&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;Leveraging F5 Support Resources&lt;/li&gt;&lt;li&gt;AskF5.com&lt;/li&gt;&lt;li&gt;DevCentral&lt;/li&gt;&lt;li&gt;iHealth&lt;/li&gt;&lt;li&gt;Leveraging F5 Labs&lt;/li&gt;&lt;li&gt;Working with F5 Technical Support&lt;/li&gt;&lt;li&gt;Running End User Diagnostics (EUD) - Hardware Only&lt;/li&gt;&lt;li&gt;New Platform Diagnostic Tools&lt;/li&gt;&lt;li&gt;Always-On Management (AOM) Subsystem&lt;/li&gt;&lt;li&gt;Requesting Return Materials Authorization&lt;/li&gt;&lt;li&gt;F5&amp;rsquo;s Software Version Policy&lt;/li&gt;&lt;li&gt;Managing the BIG-IP License for Upgrades&lt;/li&gt;&lt;li&gt;Managing BIG-IP Disk Space&lt;/li&gt;&lt;li&gt;Upgrading BIG-IP Software&lt;/li&gt;&lt;/ul&gt;&lt;h5&gt;Chapter 5: Troubleshooting &amp;ndash; Bottom to Top&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;Introducing Differences between BIG-IP and LINUX Tools&lt;/li&gt;&lt;li&gt;Troubleshooting with Layer 1/Layer 2 Tools&lt;/li&gt;&lt;li&gt;Troubleshooting with Layer 2/Layer 3 Tools&lt;/li&gt;&lt;li&gt;Troubleshooting with Layer 3 Tools&lt;/li&gt;&lt;li&gt;Troubleshooting Network Communication&lt;/li&gt;&lt;li&gt;Troubleshooting Memory and CPU&lt;/li&gt;&lt;li&gt;Troubleshooting with watch&lt;/li&gt;&lt;li&gt;Troubleshooting with Additional tmsh commands&lt;/li&gt;&lt;/ul&gt;&lt;h5&gt;Chapter 6: Troubleshooting Tools&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;tcpdump&lt;/li&gt;&lt;li&gt;Wireshark&lt;/li&gt;&lt;li&gt;ssldump&lt;/li&gt;&lt;li&gt;Fiddler&lt;/li&gt;&lt;li&gt;diff&lt;/li&gt;&lt;li&gt;KDiff3&lt;/li&gt;&lt;li&gt;cURL&lt;/li&gt;&lt;/ul&gt;&lt;h5&gt;Chapter 7: Using System Logs&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;Configuring Logging&lt;/li&gt;&lt;li&gt;Log Files&lt;/li&gt;&lt;li&gt;Understanding BIG-IP Daemons Functions&lt;/li&gt;&lt;li&gt;Triggering an iRule&lt;/li&gt;&lt;li&gt;Deploying and Testing iRules&lt;/li&gt;&lt;li&gt;Application Visibility and Reporting&lt;/li&gt;&lt;/ul&gt;&lt;h5&gt;Chapter 8: Troubleshooting Lab Projects&lt;/h5&gt;&lt;ul&gt;
&lt;li&gt;Network Configurations for Project&lt;/li&gt;&lt;/ul&gt;</outline><objective_plain>- 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</objective_plain><essentials_plain>Students must complete one of the following F5 prerequisites before attending this course:


- Administering BIG-IP (TRG-BIG-OP-ADMIN) instructor-led course
- F5 Certified BIG-IP Administrator
The following free web-based courses, although optional, will be very helpful for any student with limited BIG-IP administration and configuration experience:


- Getting Started with BIG-IP web-based training
- Getting Started with BIG-IP Local Traffic Manager (LTM) web-based training
The following general network technology knowledge and experience are recommended before attending any F5 Global Training Services instructor-led course:


- OSI model encapsulation
- Routing and switching
- Ethernet and ARP
- TCP/IP concepts
- IP addressing and subnetting
- NAT and private IP addressing
- Default gateway
- Network firewalls
- LAN vs. WAN
The following course-specific knowledge and experience is suggested before attending this course:


- HTTP, HTTPS, FTP and SSH protocols</essentials_plain><audience_plain>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.</audience_plain><contents_plain>- Setting Up the BIG-IP System
- Reviewing Local Traffic Configuration
- Troubleshooting Methodology
- Working with F5 Support
- Troubleshooting – Bottom to Top
- Troubleshooting Tools
- Using System Logs
- Troubleshooting Lab Projects</contents_plain><outline_plain>Chapter 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
Chapter 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)
Chapter 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
Chapter 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
Chapter 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 Network Communication
- Troubleshooting Memory and CPU
- Troubleshooting with watch
- Troubleshooting with Additional tmsh commands
Chapter 6: Troubleshooting Tools


- tcpdump
- Wireshark
- ssldump
- Fiddler
- diff
- KDiff3
- cURL
Chapter 7: Using System Logs


- Configuring Logging
- Log Files
- Understanding BIG-IP Daemons Functions
- Triggering an iRule
- Deploying and Testing iRules
- Application Visibility and Reporting
Chapter 8: Troubleshooting Lab Projects


- Network Configurations for Project</outline_plain><duration unit="d" days="2">2 days</duration><pricelist><price country="AE" currency="USD">1995.00</price><price country="NL" currency="EUR">1650.00</price><price country="IT" currency="EUR">1900.00</price><price country="GB" currency="GBP">1640.00</price><price country="FR" currency="EUR">1900.00</price><price country="DE" currency="USD">2640.00</price><price country="CH" currency="USD">2640.00</price><price country="AT" currency="USD">2640.00</price></pricelist><miles/></course>