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Caio_178191's avatar
Caio_178191
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Dec 15, 2015

iRule error after upgrade version (Operation not supported. Multiple redirect/respond invocations not allowed)

Hi, good afternoon. After upgrade a BIG IP OS from 10.2.4 to 11.5.1 HF10, I started to see a lot of errors in LTM log. I have many iRules in my system and many of those iRules are givin me "Operati...
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iRules
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Hannes_Rapp_162's avatar
Hannes_Rapp_162
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Assuming all your iRules are the same as your sample, replace 

return
with 
event disable
function in all iRules that invoke redirects or responses. The return function is not needed here. The event disable function should be called after each redirect or response statement, unless you merge the iRules together so that this particular TCL error can no longer occur. By doing so, you may also want to look into iRule execution priorities to make sure no important functionality is superseded.

https://devcentral.f5.com/questions/stop-processing-irule-s-if-condition-is-met

Kai_Wilke's avatar
Kai_Wilke
Icon for MVP rankMVP
Dec 15, 2015
Hey Hannes, as far as I know "event disable" is persistent to the TCP connection. So it would cause keep-alive'ed connections to not trigger the HTTP_REQUEST events on the very next request. Isn't it? Cheers, Kai