Re: Simple Network Question: Part 2

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On Thu, 2009-11-05 at 22:16 +0100, Athmane Madjoudj wrote:
> On Thu, Nov 5, 2009 at 10:06 PM, Dennis Mattingly
> <dennismattinglyzzark@xxxxxxxxx> wrote:
> > I have (another) simple question involving my router.
> >
> > Is this a Linux Bug, or simply a Bad Router?
> >
> > 1) My internet is perfect (normal setup)
> > 2) Plug my computer internet directly into ethernet router
> > 3) $ ping 192.168.1.1
> > network is unreachable
> >
> > So, is this my router, do I need to turn-off network manager, Linux bug,
> > what next?
> >
> > Thanks in advance
> >
> >
> 
> Some router (like mine) has a different ip (192.168.1.254)
> 
> To discover your router's ip :
> 
> $ route
> 
> or
> 
> Discover all active ip on your network using nmap:
> $ nmap -sP 192.168.1.1-254
> 
> NB:
> Some router has a firewall that block ICMP traffic (pings)
> 
> 
> -- 
> Athmane Madjoudj
> 

When it says "Network is Unreachable" I assume this means he has no
route to begin with.. So he may not be able to do the above.

Otherwise it would spit out "Destination Host Unreachable" if it could
get to the network and/or 100% packet loss if the router IP was
different.

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