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Network Engineer at Interactive Brokers

Basic F5 BIG-IP Playbooks

Back in the day, I wanted a way to provision new sites on the F5 as fast as possible. That meant combining VIPs and forwarding to pools based on Host header. This can be done with an iRule, but LTM policies are more effecient. I’ve created basic playbooks to create new VIPs, and then another playbook to add sites to them later, including GTM if you have that as well. Most recently I added a third playbook that requests and installs a Let’s Encrypt certificate via Cloudflare DNS-01, so the cert side of standing up a VIP is one command too.

F5 301b V2 Objectives

These are the official exam objectives.

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Section 1 - Troubleshoot Basic Virtual Server Connectivity Issues
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Objective - 1.01 - Given a scenario, determine the appropriate profile setting modifications

  • 1.01a - Given a scenario of client or server side buffer issues, packet loss, or congestion, select the appropriate TCP or UDP profile to correct the issue
  • 1.01b - Given a scenario determine when an application would benefit from HTTP Compression and/or Web Acceleration profile

Objective - 1.02 - Given a sub-set of an LTM configuration, determine which objects to remove or consolidate to simplify the LTM configuration

F5 301b V1.1 Objectives

These were the official 11.5 objectives but modified by me. They have been cleaned up even removed in some cases.

This objective list I prefer over the current ones that are official.

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Section 1 - Maintain Application and LTM Device Health
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Objective 1.01 Given a scenario, determine the appropriate profile setting modifications.

  • 1.01a - Given a scenario of client or server side buffer issues, packet loss, or congestion, select the appropriate TCP or UDP profile to correct the issue
  • 1.01b - Given a scenario determine when an application would benefit from HTTP Compression and/or Web Acceleration profile

Objective 1.02 Given a subset of an LTM configuration or statistics, determine which objects to remove or consolidate to simplify the LTM configuration

F5 301b V1 Objectives

As far as I know these are the original objectives first published for the exam.
These are no longer official. They were found in the old study guide which can no longer be found.

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Section 1 – Troubleshoot Basic Virtual Server Connectivity Issues
=================================================================

Objective - 1.01 - Given a scenario, determine the appropriate profile setting modifications

  • 1.01a – Determine the effect of changing profile settings on application traffic
  • 1.01b – Determine if changing profile settings will affect the LTM device or the application
  • 1.01c – Explain the effect of modifying buffer settings in the TCP profile
  • 1.01d – Explain the effect of modifying timeout settings in the TCP/UDP profile
  • 1.01e – Determine the effect of TCP/UDP profile interaction with other profiles (e.g. OneConnect, HTTP, FTP, etc. For example, how modifying settings in TCP profile can break FTP)
  • 1.01f – Describe how the source of traffic affects TCP/UDP profile settings that should be selected
  • 1.01g – Determine the appropriate settings to use based on a given application behavior
  • 1.01h – Determine the appropriate netmask settings when using a OneConnect profile

Objective - 1.02 - Given a subset of an LTM configuration, determine which objects to remove or consolidate to simplify the LTM configuration

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