[NTLUG:Discuss] Getting eth0 working with Kubuntu

[Terry]

On 1/30/06, Terry <trryhend at gmail.com> wrote:
> On 1/29/06, Wayne Dahl <w.dahl4 at verizon.net> wrote:
> > On Sun, 2006-01-29 at 18:51, Terry wrote:
> > > Since you've not mentioned domain name resolution or /etc/resolv.conf,
> > > I suspect that is the issue you have omitted. But, maybe not...
> > > If your network runs DHCP server, try
> > >        dhclient
> >
> > The domain name servers I was given when I got my DSL (and that works
> > for my other two computers) is what shows in /etc/resolv.conf...namely
> >
> > nameserver 4.2.2.4
> > nameserver 4.2.2.5
> > nameserver 4.2.2.6
> >
>
> If the above 3 entries are literally what's in your /etc/resolv.conf
> file, it is wrong, and that is your problem.  You need to replace them
> with valid DNS address'.  You can probably just replace the first one
> with the IP address of your router and it'll work, (most routers also
> function or double as a cacheing nameserver).
>
> i.e. try this for first nameserver entry
> nameserver 192.168.1.100
>
> ---------------
> NOTE:
> If you can ping IP addresses on the outside but not domain names, then
> your problem is DNS issue.
>
> For instance, if you cannot ping www.google.com, try pinging one if
> google.com's IP addresses:
> google.com has address 64.233.187.99
> google.com has address 72.14.207.99
> google.com has address 64.233.167.99
> If you can ping one of the above IP addresses, then your only problem
> is not having a valid DNS address in your /etc/resolv.conf file.

Some routers block port 113 and do not allow you to ping anything in
the first place, so, just drop one of the above addresses into the
address bar of your browser and it should take you to google.com
If so, you DNS is your issue.
>
>
> > > ------------------------------------------------
> > > You have 3 issues to resolve before getting Internet service working.
> > > 1) IP address set and in the right range, (whether you're using DHCP
> > > or static IP)
> > >            ifconfig
> >
> > I'm using static IP's on all my machines.  This one is set to
> > 192.168.1.104.
> >
> > The other two are 192.168.1.102 and 103.
> >
> > > 2) Gateway (default gateway) - to manually set default gateway:
> > >           route add default gw ###.##.##.##
> >
> > The router is the gateway, 192.168.1.100 and it shows up under the "home
> > dsl" profile.
> >
> > > 3) Domain name resolution (having valid name server addresses in
> > > /etc/resolv.conf )  To manually do that, simply edit /etc/resolv.conf
> > > and add lines like so:
> > > nameserver ###.###.##.#
> > > nameserver ###.###.##.#
> >
> > See above.
> >
> > >
> > >        --------TROUBLESHOOTING-------
> > > If you don't know if you're network is working at all, you might start
> > > [troubleshooting] by pinging the PC's own NIC.
> > > i.e. If you set the PC's NIC to 192.168.1.5, do this:
> > >          ping 192.168.1.5
> > > If you can ping your own nick, you can be pretty sure it is working ok.
> > > Next, ping the gateway IP address.
> >
> > I can ping the router just fine.  I just can't ping anything outside the
> > router.  It's as if the router is not routing this one PC.
> >
> > > If that fails, check your wiring.
> > > Next, ping one of your nameserver addresses.
> >
> > I get network is unreachable when I attempt to ping the nameservers.
> > Clearly the problem is the router, but I have no idea why it would pass
> > the other two machines and not pass this one.  The configurations are
> > identical and as I said, I can log into the router from that box with
> > Konqueror and make changes to the router config, so I can clearly route
> > to the router, just not to the WAN interface for some reason.
> >
> > > and / or try to do name resolution, i.e.
> > >            host www.google.com
> > > should show you google.com's IP address
> >
> > I couldn't ping the nameservers or google.
> >
> > > If all of the above yields positive results and you're still not
> > > surfing the Internet, I'm as lost as you are...  :)
> >
> > More info for you...I'm using a Netgear 108Mbps wireless router, model
> > number WGT624.  The only computer currently running wireless on it is my
> > wifes computer running ExPee...I was too lazy to run Cat5 for it.  And
> > it works just fine.  So does the one I'm currently typing this message
> > on and this one is hardwired to the router, as is the computer in
> > question.
> >
> > Thanks again,
> >
> > Wayne
> >
> >
>
>
> --
> <><
>


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