Multiple gateways linux router + Load balance

Multiple gateways linux router + Load balance

[Mikado]

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I'm making a router with 2 adsl lines. How can I use
both lines with R-E-A-L load balancing on 2.4.x linux
box and share these lines for hosts on LAN?

I've got some guides show the way of using Multipath
routing + Equalizing between these routes but I cannot
get real advantage of load balancing because the
route-cache make connections to 1 address go the same
route as the first connection to that address.

Is there any patch for kernel 2.4.x outside the wild
to fix this situation?

Thank you, I need all your helps!

P.S: I attach a text file which shows my box structure
down here!

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[-- Attachment #2: box.txt --]
[-- Type: text/plain, Size: 1189 bytes --]


 [adsl-modem-1   ][adsl-modem-2   ]
 [192.168.1.150  ][192.168.1.150  ]
         +                +                    Hosts
         +                +                     on
         +                +                     LAN
=======eth0=============eth1========         ===  ===
=[192.168.1.10   ][192.168.2.10   ]=          +    +
=                                  =          +    +
=                                  =          +    +
=                 [192.168.0.10   ]eth2+++++[ switch ]
=                                  =
=                                  =
=[210.245.x.x    ][203.113.x.x    ]=
=======ppp0=============ppp1========
         +                +
         +                +
         +                +
         +                +
 [210.245.24.5   ][203.113.168.254]
 [isp1-gateway   ][isp2-gateway   ]
         +                +
         +                +
         +                +
         +                +
======================================================
              INTERNET ENVIRONMENT

- adsl-modem-1 is used to make ppp0
  adsl-modem-2 is used to make ppp1
- 210.245.x.x has network: 210.245.0.0/16
  203.113.x.x has network: 203.113.0.0/16