On Fri, 26 Jun 1998, Michael Jinks wrote:
> Ryuji Yokoyama wrote:
> >
> > Hello All!
> >
> > I just upgraded from RH5.0 to 5.1 and got a problem. Whenever I connect to
> > ISP, my local host name is changed. For instance, originally my local host
> > name is "localhost", but after I connect to ISP, my local host name becomes
> > DIAL8-ASYNC44.DIAL.NET.NYU.EDU. The numbers(8 and 44) are different every
> > time.
>
> Okay. . . here I am, the wet-eared newbie, trying to explain the
> subtleties of DNS and dynamic IP allocation. . . take all information as
> suspect.
>
> Here's what I think is happening. Your ISP assigns your ppp interface
> to an IP address dynamically depending upon which modem gets your call.
> On their end, each of those dialup lines has a DNS name. So, for
> example, their "modem #0" might be assigned to IP address 1.2.3.1, and
> have DNS name DIAL8-ASYNC44.DIAL.NET.NYU.EDU. The next time you dial
> in, you might get "modem 1" with IP address 1.2.3.2, which might map to
> the DNS name DIAL9-ASYNC45.DIAL.NET.NYU.EDU.
>
> Now, that name and IP address should only apply to your ppp interface,
> not to your machine; what does your /etc/hosts file say? Are you
> connected to any net other than through your ppp connection?
>
> Why is this a problem?
localhost is what the computer sets itself if it doesn't have a hostname.
I would recommend setting a hostname in the netcfg utility that comes with
redhat. I would recommend setting a hostname other than localhost.
-----
Jim Kusznir ([EMAIL PROTECTED])
RidgeNET Tech Support
371-3501
[EMAIL PROTECTED]
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