[compoundeye]

i cant get airport express to share the internet, its letting people join the network but only the first person to connect can use the net

i have an adsl modem (dsl-300g) which is connected to the net

by default the ethernet port on the modem is set to 10.1.1.1
i can see using the modems built in webserver that it is connected to the net with the ip address of 203.217.43.187

the modem is connected to the airport express via an ethernet cable,
the ethernet port on the aiprort express is set to 10.1.1.3
at the moment that ip address is set manually,
though i have also tried using dhcp.

my airport card has connected to the wireless network using dhcp
and has set the settings

ip 203.217.43.187
mask 255.255.255.255
router 203.217.43.187

i'm suprised that that works but here i am happily netting away.

but if anyone else tries to connect to the net they get something like

ip 10.1.1.4
mask 255.0.0.0
router 10.1.1.1

automatically,
i'd have thought that that would work, but no, they can ping the airport extreme and the modem, some times even the modems external ip 203.217.43.187

but thats as far as they can go.

if we all restart our machines, whoever connects first will connect and work, other machines will get 10.1.1.... adresses and not be able to access the net.

does anyone understand this?

[Big Mac]

It sounds like the Express does not have Network Address Translation (NAT) turned on for some reason. That is strange - I would imagine that NAT would be turned on out of the box. I have yet to configure an Airport Express, but look through the software (I would guess it would be the AirPort Admin Utility) and see if there's some setting that you have missed.

[compoundeye]

thank you,
that was part of the answer.

i set my adsl modem to work on 10.0.1.2
so that it could work with airports default address range of 10.0.1.X

then i gave snail (the airport express) a factory reset my taking it out of the socket and holding down the reset butto while i reinserted it into the power socket
(keep holding the button till the light flashes green four times)

now its happy

thanks
for the help