Addressing APIPA/IPv4LL issues with uamanyip

Murray Long murray at skyrove.com
Tue May 6 15:16:25 UTC 2008


Ok, thanks, I'll stop worrying then..

But it does seem strange to me that future DHCP requests will reissue an old
address used though anyip.  Is there any reason for this?

-Murray

On Tue, May 6, 2008 at 4:39 PM, Gunther Mayer <gunther.mayer at googlemail.com>
wrote:

> Murray Long wrote:
>
> > Hi Gunter,
> > Thanks for the patch.
> >
> > Have done some testing myself and found that the same problem applies if
> > a user arrives at a hotspot with a static IP and no gateway.
> > If, on finding he can connect, he tries to connect though DHCP he will
> > be given his origional IP without any gateway.
> > And so won't be able to connect until the router is rebooted.
> >
> > With this in mind, would it not be better for your patch to test for all
> > IP's outside of the DHCP dynamic ip range rather than just those in the
> > IPv4LL subnet?
> >
> No, and this is the one and only case where uamanyip fails. You see, if
> you ignore all IP's outside the dynamic dhcp range you might as well not use
> uamanyip as it then wouldn't serve any purpose whatsoever.
>
> But I doubt this is any cause for concern and is a highly unlikely case
> anyways. Somebody who arrives at a hotspot with a static ip and no gateway
> likely has never used the Internet before and doesn't use the Internet where
> he comes from because without a default gateway it's impossible for ANY
> client ANYWHERE to connect to the Internet. So chances are you're dealing
> with somebody who doesn't know how to use the Internet and probably wouldn't
> want to use it in the first place. You see, I doubt you'll ever encounter
> such a case.
>
> Gunther
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: chilli-unsubscribe at coova.org
> For additional commands, e-mail: chilli-help at coova.org
> Wiki: http://coova.org/wiki/index.php/CoovaChilli
> Forum: http://coova.org/phpBB3/viewforum.php?f=4
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.coova.org/pipermail/chilli/attachments/20080506/51ab1247/attachment.htm>


More information about the Chilli mailing list