Hi folks...

I am just wondering, is it possible to do this kind of thing with RH 6.2
(kernel 2.2.16)?

I have 3 cable modems. I connect each to one NIC, thus in this computer I
have 4 NICs. 3 for outbound connection to the Internet and the fourth NIC is
given the address 192.168.1.1 (for private LAN). The rough figure:

                            +--------------+
                            |   Internet   |
                            +------+-------+
                                   |
               +-------------------+-------------------+
               |                   |                   |
        +------+-------+    +------+-------+    +------+-------+
        |     eth0     |    |     eth1     |    |     eth2     |
        | 202.155.15.1 |    | 202.155.16.2 |    | 202.155.17.3 |
        +--------------+    +--------------+    +--------------+

        --------------------------------------------------------
                            Some kind of NAT
         I'm thinking of just a simple:
              # ipchains -A forward -s 192.168.1/0 -j MASQ
        --------------------------------------------------------

                            +--------------+
                            |     eth4     |
                            | 192.168.1.1  |
                            +------+-------+
                                   |
                            +------+-------+
                            |   switch     |
                            +--------------+

Currently I have eth0 and eth4 in the figure (no eth1 and eth2 YET). I use
ipchains to masq all outgoing traffic from 192.168.1.0 network.

Is it possible to simply let the system know, "Hey, there is 3 highway that
you can choose to go to certain destination. If highway #1 is busy, try the
second, and if the second is not available too, try the third, and etc.".
Some kind of "load balancing" that I want to achieve.

Is there any solution? URLs that I can read?

Thanks a lot...

/john



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