Apache Virtual Hosts and Load balancing

[root@iris:Active] config  b virtual bar list
virtual bar {
   snat automap
   destination 172.28.17.33:http
   ip protocol tcp
   rules myrule
   profiles {
      http {}
      tcp {}
   }
}
[root@iris:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST {
   if { [HTTP::host] equals "www.example.com" and [HTTP::uri] starts_with "/one" } {
      pool Pool_Example_One
   } elseif { [HTTP::host] equals "www.example.com" and [HTTP::uri] starts_with "/two" } {
      pool Pool_Example_Two
   } elseif { [HTTP::host] equals "www.test.com" and [HTTP::uri] starts_with "/one" } {
      pool Pool_Test_One
   }
}

when HTTP_REQUEST_SEND {
   set host_debug 1

   clientside {

   if {$host_debug} {log local0. "[IP::client_addr]:[TCP::client_port]: New [HTTP::method] request to [HTTP::host][HTTP::uri]"}

   set host_header_value [class match -value [LB::server addr] equals nombr]

   if {$host_debug} {log local0. "[IP::client_addr]:[TCP::client_port]: Looked up [LB::server addr], found: $host_header_value."}

   if {$host_header_value ne ""} {
      HTTP::header replace Host $host_header_value

    if {$host_debug} {log local0. "[IP::client_addr]:[TCP::client_port]: Replaced Host header with $host_header_value."}
   }

}
}
}
[root@iris:Active] config  b class nombr list
class nombr {
   {
      host 10.10.70.201 { "www1one.example.com" }
      host 10.10.70.202 { "www1two.example.com" }
      host 10.10.70.211 { "www1one.test.com" }
   }
}

1) www.example.com/one

New TCP connection 1: 172.28.16.50(37170) <-> 172.28.17.33(80)
1318066155.9017 (0.0171)  C>S
---------------------------------------------------------------
GET /one HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: www.example.com
Accept: */*

---------------------------------------------------------------

New TCP connection 2: 10.10.72.30(37170) <-> 10.10.70.201(80)
1318066155.9021 (0.0003)  C>S
---------------------------------------------------------------
GET /one HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: www1one.example.com
Accept: */*

---------------------------------------------------------------

2) www.example.com/two

New TCP connection 1: 172.28.16.50(37200) <-> 172.28.17.33(80)
1318066205.3706 (0.0005)  C>S
---------------------------------------------------------------
GET /two HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: www.example.com
Accept: */*

---------------------------------------------------------------

New TCP connection 2: 10.10.72.30(37200) <-> 10.10.70.202(80)
1318066205.3711 (0.0003)  C>S
---------------------------------------------------------------
GET /two HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: www1two.example.com
Accept: */*

---------------------------------------------------------------

3) www.test.com/one

New TCP connection 1: 172.28.16.50(37217) <-> 172.28.17.33(80)
1318066233.1738 (0.0005)  C>S
---------------------------------------------------------------
GET /one HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: www.test.com
Accept: */*

---------------------------------------------------------------

New TCP connection 2: 10.10.72.30(37217) <-> 10.10.70.211(80)
1318066233.1743 (0.0002)  C>S
---------------------------------------------------------------
GET /one HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: www1one.test.com
Accept: */*

---------------------------------------------------------------