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Triggerman_1128's avatar
Triggerman_1128
Icon for Nimbostratus rankNimbostratus
Mar 29, 2010

Persistence based on Querystring

Howdy, we would like to persist based on a querystring. However, there would be two sources (clients) with the same querystring.     For example:     1. client one sends a reques...
application delivery
dev
devops
iRules
hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
Mar 29, 2010
Hi,

You can parse the query string parameter value and use it to persist off of. Will clients always send the parameter in each request? If so, here's an example to get started with: 

 
 when HTTP_REQUEST { 
  
     Check if query string parameter named SessionID has a value 
     http://devcentral.f5.com/wiki/default.aspx/iRules/uri__query 
    set sid [URI::query "?&[HTTP::query] &SessionID] 
  
    if {$sid ne ""}{ 
  
        Persist off of the session ID value 
       persist uie $sid 
    } 
 }

Aaron