smithi at nimnet.asn.au
Thu Jun 3 05:02:17 GMT 2004
On Wed, 2 Jun 2004, Alejandro 'Lanjoe9' Valenzuela wrote:
> Hello everyone, I've got a bridging problem...
> 1) The wired card (realtek rl0) is configured vía sysinstall to have a
> static IP address (currently 192.168.0.99, netmask 255.255.255.0 ) and
> as a gateway and dns server, a windoze 98 machine with ICS (don't kick
> me, the stupid modem won't work with anything else)
A smarter modem might save lots of pain, but anyway .. and I'll skip the
wireless stuff, having no direct experience.
> 3) The bridge is set up with these commands (bridge support is compiled
> into my kernel as option BRIDGE ):
> sysctl net.link.ether.bridge.enable=1
> sysctl net.link.ether.bridge.config="ath0,rl0"
> sysctl net.inet.ip.forwarding=1
So it's both a bridge AND a router? Sounds tricky ..
> The problem is, from the wireless computer I can always ping and see the
> other computers, but the other way around does not work (I can't even
> ping the wireless computer from the wired ones, including the bridging
> one), and I can only connect to the internet from the wireless computer
> (and see that wireless computer from the other ones) when I'm contacting
> in some way the gateway computer (for example hearing a sound file
> stored in the gateway computer).
> What could be the cause?
Routing? Not enough to go on. netstat? tcpdumps? firewall?
I've set up one bridge / firewall / monitor / logger etc between a proxy
/ NAT gateway and its ethernet, also providing an 'inside'web and samba
server, but all traffic through the bridge (ie not to the box itself)
is, well, bridged, not routed.
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