2.2.x and proxy arp?
Andreas Dewes
you should try to set up "Networking Options"->"CONFIG_BRIDGE" in your
kernel. When you look at the help file related to that option you'll
find a link where you can download configuration software
(brcfg->http://lrp.plain.co.nz/tarballs/bridgex-0.30.tar.gz). Then just
run 'brcfg', add the two interfaces and let the kernel do the rest. I
had the same problems too, but eventually it worked with the setup
explained above.
Greets,
Andy.
P.s. Sorry for my bad English..8-)
Robert Fendt wrote:
>
> Hi!
>
> Ok folks this is going to be a bit long. But please hang on, ok?
>
> I have a small problem here. I want to connect two networks over
> a proxy arp router. To experiment, I have chosen two computers
> and the router and isolated them in a single net:
>
> 1. "here.local" 192.168.1.1
> 2. "there.local" 192.168.1.2
> 3. "bridge.local" 192.168.1.127
>
> The computers are connected as follows:
>
> here+--+bridge+--+there
>
> and naturally 'here' and 'there' have no physical connection. They
> are, however, configured exactly as they would be in a "normal"
> network (IPs and mask 192.168.1.x/24).
>
> Now, I configured both net devices on 'bridge' to have the same IP
> and mask: 192.168.1.127/32. I then set the following routes:
>
> route add 192.168.1.1 dev eth0
> route add 192.168.1.2 dev eth1
>
> I can reach both computers from 'bridge', so this works fine. Now
> I issued the following arp commands:
>
> arp -i eth1 -Ds 192.168.1.1 eth1 pub
> arp -i eth0 -Ds 192.168.1.2 eth0 pub
>
> which should create two proxy arp entries. The problem is, it
> doesn't work. I run tcpdump on 'bridge' and it displays the
> arp query from 'here' or 'there' all right, but 'bridge' apparently
> ignores them. Why? I even tried setting
> /proc/sys/net/ipv4/conf/<dev>/proxy_arp, but this did not seem to
> have any effect, either. When displaying the arp table, the proxy
> entries are marked as incomplete, and the HW address is just "*".
>
> I have absolutely no clue what's wrong; probably some quite daft
> mistake...
>
> Thanks in advance,
> Robert