On Wed, Jan 28, 2009 at 3:38 PM, Adam Retter <adam.ret...@googlemail.com>wrote:

> Hi there I am hoping someone can help me with a weird wireless problem...
>
> I have a Soekris net4801 with an Atheros AR5212 mini-PCI card and
> OpenBSD 4.2 installed - I am trying to use the Soekris as an Access
> Point amongst other things.
>
> I setup the Atheros card with the hostname.ath0 file, containing -
>
> up inet 192.168.0.254 netmask 255.255.255.0 media autoselect mediaopt
> hostap mode 11a nwid MY_NET nwkey mykey12345678
>
> Now from my laptop (192.168.0.251) I can see the MY_NET Wireless
> network and connect to it fine (excellent signal strength), however at
> a first glance I dont seem to be to send any data forwards or
> backwards?!? I cant ping either machine from the other.
>
> However "route show" on the Soekris does show an entry for the laptops
> 192.168.0.251 address so there must of been an interchange of arp
> traffic, and the arp table (arp -a) shows the laptops IP address and
> MAC address -
> ? (192.168.0.251) at 00:1b:77:a8:66:f4 on ath0
>
> On the laptop (Windows XP), the arp table does have the Soekris IP in
> it but its marked as invalid -
> 192.168.0.254   00-00-00-000000   invalid
>
> Now I dont understand how I can connect to the wireless network and
> have the arp tables on each machine know about the others IP addresses
> but yet am unable to send any tcp/ip traffic forwards and backwards. I
> have disabled pf with "pfctl -d" to test this as well, with no change
> in result.
>
> Is there some configuration I have missed to enable tcp/ip on the ath0
> interface? or any suggestions about what the problem may be?
>
> Thanks
>
> --
> Adam Retter
>

I recently set up a wireless access point on a machine that already had a
wired access point on it. At first I had a similar situation to yours. I
could "connect" to the access point, yet could not pass info to and from the
web. That is, my wireless machines were getting an IP address, but the the
gateway address was wrong . . . it was from the wired access point.

The problem was how I set up my dhcpd.conf. I had both the wired and the
wifi subnets in the same *shared network* block. To fix this I set up two
shared network blocks, one for the wired and the wireless.

-Neal


-- 
www.nealhogan.net

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