LTM – Network Interview QnA

What is Node and Pool in F5 Load balancer?

Node- A node is a logical object on the load balancer that identifies the IP address of a physical resource on the network.You can explicitly create a node, or you can instruct Local Traffic Manager to automatically create one when you add a pool member to a load balancing pool. You can find out the [...]

Important CLI commands for F5 LTM

TMOS commands run util bash -enable shell show sys self-ip -show self IP’s show ltm persistence persist-records -show persistence records list ltm node [node_address] -show node status modify ltm node [node_address] down -disable node modify ltm node [node_address] up -enable node modify net packet-filter all logging enabled -enable logging for all packet filters delete ltm [...]

BIG-IP F5 LTM Load balancing methods

BIG-IP LTM provides a variety of load balancing methods to choose from. There are two types of load balancing methods. statistic load balancing method / mode. dynamic load balancing mode. 1. statistic load balancing mode:- There are two static load balancing modes. 1.Round robin 2.Ratio 2..Dynamic load balancing mode:- 1.least connections 2.fastest 3.observed 4.predictive 5.dynamic [...]

What is the difference between the F5 LTM vs GTM?

The biggest difference between the GTM and LTM is traffic doesn’t actually flow through the GTM to your servers. The GTM is an intelligent name resolver, intelligently resolving names to IP addresses. Once the GTM provides you with an IP to route to you’re done with the GTM until you ask it to resolve another [...]