Session ID Persistence based on Session id in Soap request.......

Try Using Universal Persistence with following iRule adapted from post ";

===

when HTTP_REQUEST { 
    HTTP::collect [HTTP::header Content-Length] 
} 
when HTTP_REQUEST_DATA { 
    set soap_uri [HTTP::uri] 
    set soap_sid [findstr [HTTP::payload] "" 5 "<"] 
    log local0. "found request sessionID: $soap_sid in SOAP call: $soap_uri" 
    if { $soap_sid != "" } { 
        persist uie $soap_sid 
    } 
} 
when HTTP_RESPONSE { 
    set soap_sid [findstr[HTTP::payload] "" 5 "<"] 
    log local0. "found response sessionID: $soap_sid in SOAP response from: [LB::server addr]" 
    if { $soap_sid != "" } { 
        persist add uie $soap_sid 
    } 
}