Re: (Revisiting) Using airport- doesn't anyone know?


Subject: Re: (Revisiting) Using airport- doesn't anyone know?
From: Brice D Ruth (brice@webprojkt.com)
Date: Thu Jun 28 2001 - 11:06:42 MDT


So, do you have something besides the cable modem plugged into the
ethernet side of your AirPort? If so, how is that all setup? Explain
in as much detail as you can :)

-Brice

William K. Gibson wrote:

> on 6/26/01 5:11 PM, Brice D Ruth at brice@webprojkt.com wrote:
>
> So, is your AirPort connected directly to your cable modem? If
> so, I think there may be some things wrong with your setup -
>
> 1) If your client computers (wireless) are not using DHCP, then
> you shouldn't be distributing IP adresses via DHCP
>
>
> I have check the "Distribute IP Addresses" box in the Network section
> in order to trick Airport into acting as a router for the network. If
> I don't do this, then the Base Station won't route or masquerade. Then
> I select the "Share a single IP Address" radio button so that it will
> work with manually configured IP addresses. Not only that, but I must
> fill in the "Share a range of IP Addresses" with the same numbers as
> the manual Network I am using (yes, even though I don't choose it).
> Otherwise the router address of the Base Station comes out wrong and
> my network clients refuse to connect. I also check the "Ethernet
> client computers also share a single IP adddress (using NAT)" box so
> that ethernet clients can use the Base Station as a router.
>
> I *do not* check the "Enable DHCP Server on Ethernet" either. This
> would try to give DHCP addresses to any connected clients. The problem
> with distributing through DHCP, is that it confuses the cable modem,
> which also works through DHCP. Or maybe it confuses the Base Station,
> anyway, it just plain doesn't work.
>
> 2) Ethernet to AirPort bridging is also probably not what you're
> looking for - this is only useful if the network on either side of
> the AirPort is identical. If it isn't (e.g. cable modem =
> Internet on one side; wireless = private network on the other
> side) then you don't want to bridge.
>
>
> Ok, I did not know that. I went ahead and unchecked this and
> everything still worked fine. Unfortunately it did not fix the speed
> problem.
>
>
> Also - try disabling WEP and see if that miraculously does
> something for you. What you described is exactly what I did to
> setup WEP (following all the directions I could find), but no dice
> in the end.
>
> Disabled WEP and it did no good on the speed issue. I don't understand
> why you cannot use it though.
>
> And don't worry - you're not taking up too much of my time :) I
> enjoy solving network problems, I'm a network engineer at heart,
> though a software engineer by profession (makes more money :)).
>
>
> Ok, you asked for it :-) Anyway, I can't help but begin to believe
> that it is an issue with my kernel. I compiled the benh kernel, and I
> think maybe some of the configuration settings may be the issue. For
> example, I compiled with legacy ipchains options, but I'm not using
> ipchains anymore, so maybe that is part of the problem, etc. etc. Or
> perhaps it has to do with my MOL build which I compiled against my kernel?
>
> Hmmm, alternatively it may be the ACK problem somebody mentioned
> earlier. Using the base station as a router may be the ultimate issue
> here. I did test mail from the Linux side though using Balsa, and it
> seems fine.
>
> --William K. Gibson
> 1stDesk Systems
> firstdesk@columbus.rr.com

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