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Forum Discussion

ayoub's avatar
ayoub
Icon for Nimbostratus rankNimbostratus
Jan 26, 2021

load balancing decision and cookie persistence

Hi I have a case where the client is sending a cookie. I need to match on that cookie, then do a manual load balancing decision based on data in the cookie and at the same time persist on that chos...
application delivery
LTM
ayoub's avatar
ayoub
Icon for Nimbostratus rankNimbostratus
Jan 26, 2021

with the hash cookie persistence I cannot decide based on the cookie of the 1st request to which pool member should I send the request. I think doing an irule with selectif load balancing based on received cookies from client is enough? or am I missing something?

  • Dario_Garrido's avatar
    Dario_Garrido
    Icon for Noctilucent rankNoctilucent
    Jan 26, 2021

    Regarding the decision about using cookie hash or cookie passive, both are similar and both could fit in your scenario (depend on your requirements).

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    Anyway, all depends on what your decision is when the first request comes into play. What logic do you have in mind? base on this you could need an iRule or not.

     

    Take into account that when no persistence record is found, a new load balancing decision is made.

    https://support.f5.com/csp/article/K30483109

    ​

    Regards,

    Dario.