network query; route command
Paul Howarth
paul at city-fan.org
Thu Mar 3 08:39:06 UTC 2005
On Thu, 2005-03-03 at 09:05 +1100, Shelagh Manton wrote:
> Paul Howarth wrote:
>
> > Shelagh Manton wrote:
> >> Hello,
> >> I've been reading up on networks and comparing what the NAG from TDLP has
> >> to say and what my computer settings look like. Um... I did find a few
> >> differences (problems?). I will be upgrading to ADSL sometime soon and
> >> wanted to be more prepared as my ISP don't know nothing about Linux.
> >>
> >> One thing which worries me is when I ask the route command to add or del
> >> a network or IP address I get this message.
> >>
> >> SIOCADDRT: Invalid argument
> >>
> >> or SIOCDELRT: No such process
> >>
> >> When I ask it for information "route -e" I get back a table which
> >> includes an IP address I did not give it, and is not from My ISP. And of
> >> course I can't delete it using the "route del 163.254.0.0" command
> >
> > Are you sure it's not "169.254.0.0" rather than "163.254.0.0"?
> >
> > What's the output of "netstat -rn" and what are the routes you want to
> > add/remove?
> >
> > Paul.
> >
> Yes, when I look more carefully, that is the very IP address. I wanted to
> follow the instructions of the NAG where it says to add the 127.0.0.1 lo
> address with the route add command. The address it shows at present is
> 127.0.0.0 which is the lo network, and does not have 127.0.0.1 at all. Is
> this a problem?
>
> [shelagh at pandorasbox shelagh]$ netstat -rn
> Kernel IP routing table
> Destination Gateway Genmask Flags MSS Window irtt
> Iface
> 220.244.163.3 0.0.0.0 255.255.255.255 UH 0 0 0
> ppp0
> 192.168.32.0 192.168.32.3 255.255.255.0 UG 0 0 0
> eth0
> 192.168.32.0 0.0.0.0 255.255.255.0 U 0 0 0
> eth0
> 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0
> eth0
> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
> 0.0.0.0 220.244.163.3 0.0.0.0 UG 0 0 0
> ppp0
>
> What I'm eventually hoping to achieve is understanding of NAT so that my 2
> sons machines can access the internet through my internet connected
> computer. But, just one slow step at a time, otherwise my brain might
> explode.
This all looks fine. You still didn't say which routes you wanted to add
or delete. You can stop the zeroconf route appearing appearing by
putting "NOZEROCONF=yes" in /etc/sysconfig/network; next time your
machine reboots, it'll be gone.
Paul.
--
Paul Howarth <paul at city-fan.org>
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