Fallback Persistence Scenarios
The table below shows all of the possible persistence scenarios and the resulting load balancing
server selections based on the persist types and fallback persist types that are “enabled”.
Persist Type
Fallback Persist Type
Result
[none]
[none]
The server is selected on the load balancing
Policy/Algorithm.
[none]
Source IP
invalid configuration
[none]
Cookie 0:Cluster IP/Port,
Server IP/Port
invalid configuration
[none]
Cookie 1:Cluster IP,
Server IP /Port
invalid configuration
[none]
Cookie 2:Cluster IP,
Server IP
invalid configuration
Source IP
[none]
A server is selected on a sticky record (Source IP).
If no records are found a server is selected and a
new sticky record is created.
Source IP
Source IP
invalid configuration
Source IP
Cookie 0:Cluster IP/Port,
Server IP/Port
A server is selected on a sticky record(Source IP).
If no records are found a server is selected on the
basis of the cookie and if the cookie is anything other
than Cookie 0:Cluster IP/Port, Server IP/Port a server
is selected using the Load balancing
Policy/Algorithm.
Source IP
Cookie 1:Cluster IP,
Server IP /Port
A server is selected on a sticky record(Source IP).
If no records are found a server is selected on the
basis of the cookie and if the cookie is anything other
than Cookie 1:Cluster IP, Server IP /Port a server is
selected using the Load balancing Policy/Algorithm.
Source IP
Cookie 2:Cluster IP,
Server IP
A server is selected on a sticky record(Source IP).
If no records are found a server is selected on the
basis of the cookie and if the cookie is anything other
than Cookie 2:Cluster IP, Server IP a server is
selected using the Load balancing Policy/Algorithm.
Cookie 0:Cluster IP/Port,
Server IP/Port
[none]
A server is selected based on the cookie
If no cookie or a cookie other then Cookie 0:Cluster
IP/Port, Server IP/Port is in the request the server is
selected using the Load balancing Policy/Algorithm.
Copyright © 2014 Coyote Point Systems, A Subsidiary of Fortinet, Inc.
All Rights Reserved.
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Equalizer Administration Guide
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