to the Network guru's out there

[Imran .]

Router accepts ping. From my other computer i can ping the router and get a 
reply.
In /etc/resolv.conf my router is setup as nameserver. And on the other 
computer its same. i.e router is setup as nameserver. I think Ted might be 
right, sound like something wrong with hardware. However, i am amazed that 
when i manually configure PPPoE then everything works fine. Few days ago i 
never had to do any PPPoE. , i still don't have to configure PPPoE on other 
system (both on windows and linux) using the same router port and cable.
---------
thanks for reply.
imran

>From: Aaron Vegh <aaronvegh-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org>
>Reply-To: tlug-lxSQFCZeNF4 at public.gmane.org
>To: tlug-lxSQFCZeNF4 at public.gmane.org
>Subject: Re: [TLUG]: to the Network guru's out there
>Date: Wed, 16 Nov 2005 19:53:09 -0500
>
>Does the router accept ping requests? It may be ignoring them.
>
>Sounds like a DNS problem. Can your computer ping the DNS server? Do
>you have DNS configured in /etc/resolv.conf?
>
>Cheers,
>Aaron.
>
>On 11/16/05, Imran . <imranqau-PkbjNfxxIARBDgjK7y7TUQ at public.gmane.org> wrote:
> >
> > Here is my somewhat strange network problem:
> > I have a ADSL connection from bell. Hight speed modem is connected to a
> > broadband router, and then i have two PCs connected to router.
> >
> > 3 days ago i just had to turn computer on and i was on the internet. 
>Now,
> > one computer is fine. I just powerup the computer and its connected to 
>the
> > internet.
> >
> > Problem is 2nd computer. When Linux boots up, it says bringing up eth0
> > .......... OK
> > When system is up, i do "ifconfig" and computer has IP address 
>192.168.2.100
> > assigned by router. I do "route -n" and my router (192.168.2.1) is setup 
>as
> > default gw. I can ping my other computer (192.168.2.101). 
>However,although
> > IP address is assigned using DHCP by my router. by I CANNOT PING MY 
>ROUTER
> > (192.168.2.1). and i cannot go to any webpage.
> >
> > Even strange, I take the ethernet cable from this problematic computer 
>and
> > put the cable into my laptop ethernet port and my laptop is connected to 
>the
> > internet. That means there is no problem with either router or the 
>cable.
> >
> > After spending much time using tcpdump, arp, i was not able to figure 
>out
> > what's wrong. I have tried other router ports but same problem.
> >
> > so i finally formatted my hard-disk and reinstalled Fedora, it 
>configured
> > network automatically during installation and brings up the interface 
>during
> > boot. IP address is assigned, default gw is setup. However, i cannot 
>ping
> > router, cannot go to any webpage. and i can still ping the other 
>computer.
> >
> > Isn't it strange that PC gets IP address and other network settings from
> > router but cannot ping the router? and can ping the other computer. They 
>all
> > r on the same network.
> >
> > any thoughts? is something wrong with my network card?
> > And interestingly, if i manually configure PPPoE then i can connect to
> > internet. although i cannot still ping the router. before that i didnot 
>have
> > to configure PPPoE and computer was on internet upon startup.
> >
> > And again on the same network cable my other computer works fine. my 
>both
> > computers are dual boot and i am having same problem with both Linux and
> > Windows.
> >
> > any thoughts?
> > and thanks for reading through this long problem.
> > imran. -- The Toronto Linux Users Group. Meetings: http://tlug.ss.org 
>TLUG
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>--
>The Toronto Linux Users Group.      Meetings: http://tlug.ss.org
>TLUG requests: Linux topics, No HTML, wrap text below 80 columns
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--
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TLUG requests: Linux topics, No HTML, wrap text below 80 columns
How to UNSUBSCRIBE: http://tlug.ss.org/subscribe.shtml