Re: diald vs ipmasquerade
>
> "Brian M. Rectanus" wrote:
> >>
> >> At 09:38 AM 11/22/97 +0000, Chuma Agbodike wrote:
> >> >Do diald and ipmasquerading serve the same purpose ?
> >> >Or do I have to use both ? I have a 3 node ethernet lan.
> >> >The all had windows on them. Now I installed Linux 2.0.29 (debian 1.3)
> >> >on the unit that has the modem on it. And would like the other units
> >> >to access the internet via the modem on LINUX unit.
> >> >So I have diald running on the linux. The windows node have the
> >> >linux unit as their gateway. But if I ping an IP diald doesn't dial.
> >
> >You cannot ping an IP. You have to ping an address that must be looked up
> >like:
> >
> >server.no.where.net
> >
> >Otherwise diald assumes that the ip in on your local net and no dial is
> >nessasary.
>
> I don't understand what you are saying here. Diald works on the basis of
> IP addresses only. If you ping a name, the very first thing that happens
> is that gethostbyname() is called to look up the IP address from the name.
> That _may_ involve a nameserver lookup across the network or it may be
> relovable from cached data. If it is not cached it will send a query to
> external nameservers, and that will cause diald to start the link.
> Equally, diald will start the link if it receives any other kind of
> packet for a remote site, provided that you have your routing correct.
> (Don't forget that it has to call the nameserver itself in that manner.)
Ah,
Basically I mean that I could not get diald to work with a ping to an IP.
diald seems to only want to come up for something requiring a name lookup. Of
course, now that I think of it, this is probably because I have a dynamic IP
from my ISP...
-Brian
>
> --
> Oliver Elphick Oliver.Elphick@lfix.co.uk
> Isle of Wight http://www.lfix.co.uk/oliver
>
> PGP key from public servers; key ID 32B8FAA1
>
>
>
--
Brian Rectanus
Kansas State University
Computing and Informational Sciences
Multimedia/Web Programmer
trojan@cis.ksu.edu
http://www.cis.ksu.edu/~trojan
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