Try these:

Upgrade to kernel 2.4.20. You will not need the
bridge-nf-0.0.7-against-2.4.19.diff

Your nics do not have ip address, but they need to have arp and promisc
enabled:

Ifconfig eth0 0.0.0.0 arp promisc
Ifconfig eth1 0.0.0.0 arp promisc

I think you may not need iproute.

These should work.

After a while try:

brctl showmacs br0

This will show the MAC addresses the bridge has learned.



> Hello,
> 
> I'm a newbie trying to use some ablilties of the bridge. First of all, I'd
> like to congratulate you for the great job you made :)
> Here is my problem : I've got the following configuration
>    - a range of addresses from my ISP 190.200.210.144/28
>    - the ISP's router is 190.200.210.158
>    - all my machines have an address unreacheable from Internet (10.5.1.0)
>    - my bridge is between my first machine and my ISP's router. I want it
> to do some NAT and filtering (I set it to DNAT evrey packet to
> 190.200.210.144 to destination 10.5.1.1).
> 
>       -------------------
>       |  ISP's Router   |
>       | 190.200.210.158 |
>       -------------------
>                |
>                |
>                | eth0
>         ---------------
>         |Bridge : br0 |
>         |    no IP    |
>         ---------------
>                | eth1
>                |
>                |
>         ---------------
>         | 1st machine |
>         |  10.5.1.1   |
>         ---------------
> 
> The problem is that I need that my bridge answer the ARP request for the
> address 190.200.210.145. I test differents possiblities :
>  I try to add the address to the interface eth0 (ip addr add
> 190.200.210.145 dev eth0), I also try on br0 (ip addr add 190.200.210.145
> dev br0).
>  I try to add some Proxy ARP (ip route add nat 190.200.210.144/28 via
> 10.5.1.0 table local).
>  None of these works.
> 
> The only thing that works is to add the address to my 1st machine (ip addr
> add 190.200.210.145 dev eth0). But for security reason I don't want that.
> 
> My configuration is the following :
>    Kernel 2.4.19 + bridge-nf-0.0.7-against-2.4.19.diff.
>    two EtherExpress pro 100 nics.
>    bridge-utils-0.9.6
>    iproute2-2.4.7
> 
> Thanks.
> 
>    Phil
> 
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