F5 Big-ip Local Traffic Manager

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Laurelino Braendel

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Aug 3, 2024, 4:22:51 PM8/3/24

to kcusobagsi

, but it doesn't explain too much. I've been also reading -ip-local-traffic-manager-ds.pdf . Is there any distinction on 101 level or do you need to be a little bit more advanced to understand these differences?

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F5 BIG-IP Local Traffic Manager (LTM) enables you to deliver applications to consumers in a safe, dependable, and optimal manner. BIG-IP LTM maintains the availability and scalability of your applications by making intelligent traffic decisions that adapt to changing demands. You can simplify, automate, and customize applications more quickly and predictably using BIG-IP LTM.

The LTM is generally known for delivering load balancing services based on application health and performance, but it can do so much more. It can be used as a reverse proxy, forward proxy, and traffic shaper/bender for security and authentication. For full HTTP traffic inspection and manipulation, LTM can be used to terminate SSL/TLS. It can also conduct minimal API gateway capabilities by routing requests and doing basic validation using a local traffic policy or an iRule.

In the simplest terms, a pool is a collection of servers. A pool, like a VIP, is an essential BIG-IP configuration item. Although it can be considered one level lower in the configuration stack. To put it another way, you need a VIP in place to allow traffic into your F5 device in general, and pools become relevant only after that. A pool is a group of one or more servers, known as members.

A pool member refers to one of the specific servers linked with a specific pool. Pool members are crucial because they represent the actual servers in any configuration. The broad, general structure of a basic application stack within a BIG-IP is made up of a VIP, pool, and pool members. There can be thousands of permutations and alternatives, but this is the most basic, generic picture, which is critical to grasp for beginners. In addition to the configuration options inherently in place, pool members can have many options toggled on them.

This intermediate BIG-IP LTM Specialist: Maintain and Troubleshoot EXAM 301B training prepares network security admins to maintain and troubleshoot a flexible and high-performance application delivery system powered by F5's BIG-IP Local Traffic Manager.

Local traffic managers like the BIG-IP LTM from F5 are, inherently, about guiding network traffic to its intended recipients and ensuring it's not received by or viewed by unauthorized parties. That skill set is an essential part of any network security administrators' job description. Learning to use F5's BIG-IP LTM with this course demonstrates your ability to configure, monitor and troubleshoot traffic flows, which bolsters network resilience and minimizes downtime.

This BIG-IP LTM 301B training is considered associate-level F5 training, which means it was designed for network security admins. This F5 BIG-IP Local Traffic Manager skills course is designed for network security admins with three to five years of experience with enterprise network security.

New or aspiring network security admins. If you're just getting started in network security, you should consider this course on the F5 LTM if you already know or suspect that you'll work on F5 network equipment in your career. Learning to maintain and troubleshoot the F5 LTM is a sure-fire way to secure your place on an F5 administration team and a career securing the network.

Experienced network security admins. If you've already got a few years of experience working as a network security administrator, this is a good course to take if an F5 certification could help you secure a promotion or help bolster your career. This course covers the second of two necessary exams to earn a career-defining F5 certification managing an LTM, and it's perfect for experienced security administrators.

Back up the BIG-IP system configuration for safekeepingConfigure virtual servers, pools, monitors, profiles, and persistence objectsTest and verify application delivery through the BIG-IP system using local traffic statisticsConfigure priority group activation on a load balancing pool to allow servers to be activated only as needed to process trafficCompare and contrast member-based and node-based dynamic load balancing methodsConfigure connection limits to place a threshold on traffic volume to particular pool members and nodesDifferentiate between cookie, SSL, SIP, universal, and destination address affinity persistence, and describe use cases for eachDescribe the three Match Across Services persistence options and use cases for eachConfigure health monitors to appropriately monitor application delivery through a BIG-IP systemConfigure different types of virtual services to support different types of traffic processing through a BIG-IP systemConfigure different types of SNATs to support routing of traffic through a BIG-IP systemConfigure VLAN tagging and trunkingRestrict administrative and application traffic through the BIG-IP system using packet filters, port lockdown, and virtual server settingsConfigure SNMP alerts and traps in support of remote monitoring of the BIG-IP systemUse iRules and local traffic policies appropriately to customize application delivery through the BIG-IP systemConfigure the BIG-IP to detect and mitigate some common attacks at the network and application layers using LTM features such as SYN check, eviction policies, iRules and Local Traffic Policies

BIG-IP initial setup (licensing, provisioning, and network configuration)A review of BIG-IP local traffic configuration objectsUsing dynamic load balancing methodsModifying traffic behavior with persistence (including SSL, SIP, universal, and destination address affinity persistence)Monitoring application health with Layer 3, Layer 4, and Layer 7 monitors (including transparent, scripted, and external monitors)Processing traffic with virtual servers (including network, forwarding, and reject virtual servers)Processing traffic with SNATs (including SNAT pools and SNATs as listeners)Modifying traffic behavior with profiles (including TCP profiles, advanced HTTP profile options, caching, compression, and OneConnect profiles)Advanced BIG-IP LTM configuration options (including VLAN tagging and trunking, SNMP features, packet filters, and route domains)Customizing application delivery with iRules and local traffic policiesSecuring application delivery using BIG-IP LTM