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irule to redirect traffic to multiple pools

F5SJ_
Altocumulus
Altocumulus

All,

 

We have one vip which is redirecting traffic to multiple pools via irule.

 

rule:

 

when CLIENT_ACCEPTED {

    if { [class match [IP::client_addr] equals xxxx] } {

        pool xxxx

    } elseif { [class match [IP::client_addr] equals zzzz] } {

        pool zzzz

    } elseif { [class match [IP::client_addr] equals yyyy] } {

        pool yyyy

    } else {

        #log local0. "Default pool (drop): [IP::client_addr]-->[LB::server]" 

        drop

    }

 

}

 

All pools have same pool member (IP) but ports are different. Now we need to add one more pool member not as a load balancing but it will receive traffic at a same time.

 

I have prepared one irule for that:

 

when CLIENT_ACCEPTED {

    if { [class match [IP::client_addr] equals test_1234] } {

         pool test

pool test2

    } else {

        #log local0. "Default pool (drop): [IP::client_addr]-->[LB::server]" 

        drop

    }

 

}

 

But I am not seeing traffic in both the pools. Could someone check the code and let me know the correct way to do this.

3 REPLIES 3

Simon_Blakely
F5 Employee
F5 Employee

You can't send traffic to multiple pools (unless you use a clone pool)

 

K13392: Configuring the BIG-IP system to send traffic to an intrusion detection system (11.x - 15.x)

 

 

 : Thanks for the response, if I'll try to achieve the cloning in our case where we are redirecting traffic to pools via irule as we have more than one pool in VS will it possible vial below irule modifications:

 

when CLIENT_ACCEPTED {

 if { [class match [IP::client_addr] equals real_pool] } {

    pool real_pool

clone pool clone_pool

} elseif { [class match [IP::client_addr] equals zzzz] } {

 

    pool zzzz

clone pool clone_pool

  } elseif { [class match [IP::client_addr] equals yyyy] } {

 

    pool yyyy

clone pool clone_pool

  } else {

 

    #log local0. "Default pool (drop): [IP::client_addr]-->[LB::server]" 

 

    drop

 

  }

 

 

 

}

F5SJ_
Altocumulus
Altocumulus

I have tried to improve the rule:

 

when CLIENT_ACCEPTED {

    if { [class match [IP::client_addr] equals DG1] } {

        pool pool1

clone clonepool1

    } elseif { [class match [IP::client_addr] equals DG2] } {

        pool pool2

clone pool clonepool2

       }else {

        #log local0. "Default pool (drop): [IP::client_addr]-->[LB::server]" 

        drop

    }

 

want to verify if the irule which I have created will clone the connections or not

 

}