How to process Client side's TCP Payload after SERVER_CONNECTED?

Thanks for replying.

 

 

I have been tried to write some iRule as the following like:

 

 

when CLIENT_ACCEPTED {

 

snat x.x.x.x

 

}

 

 

when SERVER_CONNECTED {

 

set SNAT_IP [serverside {IP::client_addr}]

 

clientside { TCP::collect }

 

}

 

 

when CLIENT_DATA {

 

TCP::payload replace 0 4 $SNAT_IP

 

TCP::release

 

TCP::collect

 

}

 

 

I found that F5 will receive some tcp payload when CLIENT_ACCEPTED event raised so that

 

I will miss some tcp payload to replace string which I want to change.

 

 

I want to process the *first* tcp payload after SERVER_CONNECTED raised. That means

 

the CLIENT_DATA with first payload raised after SERVER_CONNECTED.

 

 

Does my codes have any wrong?