Coyote Point Systems Equalizer Especificaciones Pagina 291

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Equalizer can use cookies or a server’s IP address to maintain a persistent session between a client and a
particular server. A cookie is included with the server’s response header on its way back to the client. This cookie
uniquely identifies the server to which the client was just connected. Equalizer routes the first request from a client
using load balancing criteria; subsequent client requests are routed to the same selected server for the entire
session (while the cookie is valid -- see Cookie Age, above). In that way, a server’s IP address can alternately be
embedded into a response header that identifies the server.
EQ/OS 10 features “fallback persistence” where Equalizer provides a secondary persistence option where if, for
example, a cookie response is not received, a secondary, or “fallback option can be used. With these configurable
options, if two persist methods are listed, (e.g., Cookie 1:Cluster IP, Server IP /Port and Source IP) In this
example the order indicates the fallback order: if a cookie is found- the cookie will be used, otherwise the Source
IP will be embedded in the response header back to the client.
Persistence options on an HTTP or HTTPS cluster are configured by selecting a cluster from the left navigational
pane on the GUI and selecting Cluster > Persistence to display the screen shown below.
There are three configuration panes on this screen. Persistence Methods, Cookie Parameters and Source IP
Parameters.
Persistence Methods
With the Persistence Methods pane are an Enabled area and a Not Used area. One Persistence Type method
and one Fallback Persistence Type only can be enabled. Enable and order persistence methods by dragging and
dropping from between the Not Used area and the Enable area. Arrange the order between the primary
Copyright © 2013 Coyote Point Systems. A subsidiary of Fortinet, Inc.
All Rights Reserved.
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Equalizer Administration Guide
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