 | | | Re. Re: Re: DNS lookup failure on Linksys router | Re. Re: Re: DNS lookup failure on Linksys router 2004-12-20 - By Steven J. Yellin
Back
You wrote that your router "does act as DNS for my Windows machines."
But it's possible that your router doesn't have the ability to store
name-IP resolution tables on its own, but instead, as a DHCP client to
Verizon, obtains the IP of the service provider's nameserver, and simply
relays to that IP requests the internal network sends to the router. Did
you actually produce a name resolution table inside the router? Or are
the tables only inside your Windows machines? For example, under
NT/2000/XP, %SystemRoot%\System32\Drivers\ETC\HOSTS may contain the
IP/name pairs for phoenix1 and phoenix2, in which case the Windows
NT/2000/XP machine would not need corresponding information inside the
router. But if your router really does have an internal DNS, then your
question "If the router serves as DNS to Windows, why not Linux?" is a
legitimate one for which I don't know the answer.
Steven Yellin
On Mon, 20 Dec 2004, Joshua E Vines wrote:
>
> > Date: Sun, 19 Dec 2004 14:06:23 -0600 From: Randy Kelsoe
> > <randykel@(protected)> Subject: Re: DNS lookup failure on Linksys
> > router To: "Discussion of Red Hat Linux 9 (Shrike)"
> > <shrike-list@(protected)> Message-ID: <41C5DF3F.5060904@(protected)>
> > Content-Type: text/plain; charset=ISO-8859 (See http://ISO-8859.ora-code.com)-1; format=flowed
> >
> >This is a problem. I don't know of any Linksys router that acts as a
> >DNS server. When you setup your router, there is a place to put your
> >ISP's DNS servers, and another place so that the DHCP server in the
> >router can relay the DNS server info to DHCP clients. For your local
> >net, add the 3(?) ( you have phoenix1 listed twice above) machines to
> >your hosts file on the Windows machines as well as the linux machine.
> >In your /etc/resolv.conf, add your ISP's DNS server entries. Your other
> >alternative is to configure DNS on you linux machine and use that as
> >your primary DNS server, and your ISP's DNS servers as secondary.
> >
> >
> It does act as DNS for my Windows machines. They have the router set as
> the only DNS.
>
> >Do you really have 2 machines named phoenix1?
> >
> >
> You must not be able to tell the difference between a 1 (one) and an l
> (lowercase L), sorry.
>
> >man dos2unix and unix2dos
> >
> >
> I will use this a lot, thanks.
>
> >Date: Sun, 19 Dec 2004 12:40:35 -0800 (PST)
> >From: "Steven J. Yellin" <yellin@(protected)>
> >Subject: Re: Re: DNS lookup failure on Linksys router
> >To: "Discussion of Red Hat Linux 9 (Shrike)" <shrike-list@(protected)>
> >Message-ID:
> > <Pine.GSO.4.58.0412191238170.1673@(protected)>
> >Content-Type: TEXT/PLAIN; charset=US-ASCII
> >
> > Since phoenix1 and phoenix2 can ping phoenixl by name (bad policy
> > to use the difference between "1" and "l" as the only difference
> > between names) I guess you have a router which runs a DNS and knows
> > that phoenixl has IP 192.168.1.105. I assume the router knows about
> > phoenix1 and phoenix2, too. Can phoenix1 ping phoenix2 by name? If
> > so, I don't know why the router refuses to tell phoenixl the IP's of
> > phoenix1 and phoenix2. Maybe someone else can help. But another way
> > of supplying phoenixl with the relationship between IP and name is to
> > add appropriate lines in /etc/hosts for phoenix1 and phoenix2.
> > Speaking of /etc/hosts, you may be better off removing the line
> >192.168.1.105 phoenixl
> >and replacing the first line
> > 127.0.0.1 localhost.localdomain localhost lo
> >with
> > 127.0.0.1 localhost.localdomain localhost phoenix1
> >so that your computer knows localhost is the same as phoenixl. That way
> >it won't matter to phoenixl what IP it gets assigned, and "hostname -f",
> >"hostname -i", ... may stop complaining about "Host name lookup failure".
> >
> All Windows machines can ping each other by name. The point made by
> listing phoenixl (L) in the hosts file is that if I listed each computer
> in the hosts file, my problems would go away. For some reason (I know
> not what) Windows networking (including accessing the Internet) will not
> work if I disable DHCP in the router and go completely manual with the
> IP assignments.
>
>
> If the router serves as DNS to Windows, why not Linux?
>
> -
>
> * * * * * * * * * * * * * * *
> Joshua E Vines
> jev@(protected)
>
>
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