ServerIron ADX Server Load Balancing Guide

Release 12.0.00

June 15, 2009

Health Checks

This chapter contains the following sections:

Health Checks Overview

Server and Application Port States

Best Path to a Remote Server

Layer 3 Health Check

Layer 4 Health Check

Health Checks for Firewall Paths

Port Profiles and Attributes

Reassign Threshold

SSL Health Checks

Layer 7 Health Checks

Health Check of Multiple Web Sites on the Same Real Server

Boolean Health-Check Policies

Health Check Policy for VIP Port

Minimum Healthy Real Servers under VIP Port

Server Port Bring Up Enhancement

Displaying Syslog Entries

Session Table Parameters

Slow-Start Mechanism

LDAP Over SSL

Scripted Health Check Enhancement for Boolean

FIN Close for Server Health Check

This chapter describes the Health Check features in the ServerIron ADX.