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Problem this snippet solves:

This is an iApp template that allows a user to create a virtual+pool and to specify a type of error (400 or 500) to watch for and some threshold information to meet before disabling a pool member that is responding with those errors. It uses an iRule to create per-pool member iStats, custom stats to calculate rates over them, iStat triggers to monitor for error conditions, a triggered event handler to catch it, and a script that resubmits the iApp in order to disable the pool member.

Note: It's pretty easy to get web servers to generate 400 errors, so take care that you don't DoS your applications with this.

How to use this snippet:

Implementation Details

This iCall script requires v11.4 or higher.

Version history
Last update:
‎09-Mar-2015 15:34
Updated by: