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Back to Basics: Health Monitors and Load Balancing

WEBBest practices suggest determining availability every 5 seconds or so. That means every X seconds the load balancing service is going to open up a connection to …

Actived: 2 days ago

URL: https://community.f5.com/kb/technicalarticles/back-to-basics-health-monitors-and-load-balancing/287880

Health Monitor , F5 KB Article DevCentral

WEBIf you go and look at the properties of a pool member and then at the Health Monitors section there are 3 options. Either "Inherit from Pool" which means that the …

Category:  Health Go Health

F5 RHI Solution an alternative to GSLB load balancing …

WEBThis article dives into F5 Route Health Injection (RHI) for load balancing traffic across two geographically dispersed data centers. RHI empowers F5 BIG-IP to …

Category:  Health Go Health

Configure HA Groups on BIG-IP DevCentral

WEBAgain, a default weight of 10 in the HA Score for all pool members. Click Add and then Create HA Group for BIG-IP B. And then, Device Management>Traffic …

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F5 Distributed Cloud

WEBThis article will focus on how to do a correct setup of Health Monitors and Load Balancing algorithms with F5 Distributed Cloud (F5 XC). And more specially, how …

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And Now, A Word About iHealth DevCentral

WEBF5 is excited to announce that BIG-IP iHealth is now available to everyone. BIG-IP iHealth is an F5-hosted tool that enables you to verify the proper operation of …

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Reverse and Transparent feature in health monitor

WEBReverse is the negation of health check response. Transparent is used if node is monitored via specific Firewall/Router. However these two features are rarely used.

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monitoring web page on server for health, correct syntax …

WEBmonitoring web page on server for health, correct syntax please. Hi All, we have some monitors on our f5 to monitor a web page and look for a response to ensure …

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RDP Health Monitor String DevCentral

WEBMar 09, 2015. Not entirely sure, but my assumption is that it's used to initiate some kind of handshake with the RDP server to verify RDP is working appropriately so …

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Down A Member If A Monitor Failed DevCentral

WEBThis script will set a pool members state to FORCED DOWN if it determines that a health monitor failed (MONITOR_STATUS_DOWN). The reasoning behind this is …

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HTTP monitor with specific curl command DevCentral

WEBHello All, Is it possible to integrate specific curl command as send string in HTTP health monitor? I am able to run curl command from CLI and get good response, …

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Health check on multiple ports DevCentral

WEBtimeout server 5000s. stick store-request src. stick-table type ip size 256k expire 30m. option tcplog. option httpchk HEAD / HTTP/1.0\r\nUser-agent:\ osa-haproxy …

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BIG DNS failing health checks to application services

WEBBIG DNS failing health checks to application services. I ran into a scenario where we need to have TCP health monitor at LTM level and HTTPS at GTM. when we …

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HTTPS Health Monitor Not working DevCentral

WEBHTTPS Health Monitor Not working. We are running v11.4.1 Build 685 (we will be upgrading shortly) on our LTM 2000 series Bigip. I am having a problem getting …

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How to use F5 Distributed Cloud DNS Load Balanacer with GSLB …

WEBSelect Operator “ In ” and then the value “ EU ”. Click Apply. Under the Action “ Use DNS Load Balancer pool ”, click “ Add Item ”. Name the pool “ eu-pool ”, …

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SharePoint 2013 HTTP Health Monitoring DevCentral

WEBSharePoint 2013 HTTP Health Monitoring. Hi All, I have been working with F5 LTM in fine tuning the health monitor for SharePoint 2013 iAPP rule, please go …

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NGINX Load balancing feature DevCentral

WEBSamir. MVP. Sep 24, 2023. Nginx Passive health checks are effective only when the upstream group is defined to have multiple members. When only one upstream server is …

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Windows File Share Monitor SMB CIFS DevCentral

WEBThis external monitor performs a health check of a Windows file share using CIFS/Samba. There is an inbuilt SMB monitor for LTM. However, GTM does not (yet?) …

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Health Monitor logs not showing up DevCentral

WEBHealth Monitor logs not showing up. We have health monitor attached to pool member on F5-LTM version 15.1.2. A health monitor reports the status of a pool. So …

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Packet Analysis with Scapy and tcpdump: Checking Compatibility …

WEBIn this guide I want to demonstrate how you can use Scapy (https://scapy.net/) and tcpdump for reproducing and troubleshooting layer 2 issues with F5 BIG-IP devices.

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