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Forum Discussion

Fabrice_Bobes_2's avatar
Fabrice_Bobes_2
Icon for Nimbostratus rankNimbostratus
Nov 08, 2013

iRule for site persistence

I have 2 active DC and while I have set up DNS persistence on the GTM by using topology load-balancing, I am trying to go a step further to cover the case where a browser may still be redirected to t...
application delivery
deployment
devops
iRules
Kevin_Stewart's avatar
Kevin_Stewart
Icon for Employee rankEmployee
Nov 08, 2013
when HTTP_REQUEST {
    set urihead [HTTP::host]
     check the location first if wrong DC
    set loc [HTTP::cookie "location"]
    if { $loc == “DC2” } {
        log local0. “DC2 cookie detected in DC1”
        node  2.2.2.2 443
        snat automap           
    } else {        
        SSL::disable serverside            
    }
}
when HTTP_RESPONSE {  
     sets the location cookie to local DC
    if { $loc != “DC2” } {
       HTTP::cookie insert name "location" value “DC1” 
       HTTP::cookie path "location" /
       HTTP::cookie domain "location" $urihead
       HTTP::cookie secure "location" enable
    }
}