Persist with multiple cookies

 when HTTP_REQUEST {
if { [HTTP::uri] contains "/ISS_Static/" } {
     pool pool_my-http-pool}
     log local0. "Sending static request to pool $poolid, member $serverid, port $portid"
 }
when HTTP_RESPONSE {
HTTP::cookie insert name ltmcookie value [LB::server]
 HTTP::cookie encrypt "ltmcookie" "ltmcookiepassword"
elseif {
when HTTP_REQUEST {
 if { [HTTP::cookie exists "ltmcookie"] }{
    HTTP::cookie decrypt "ltmcookie" "ltmcookiepassword"
     set poolid [lindex [HTTP::cookie ltmcookie] 0]
     set serverid [lindex [HTTP::cookie ltmcookie] 1]
     set portid [lindex [HTTP::cookie ltmcookie] 2]
     pool $poolid member $serverid $portid
     persist cookie
     log local0. "Sending cookie request to pool $poolid, member $serverid, port $portid"
  } 
 }
}
else {
      pool pool_my-http-pool
  }
}