[nSLUG] Eastlink cable modem access

Matt Chamberlain chamberlain2007 at gmail.com
Thu Jan 31 13:40:32 AST 2008


That would be quite unlikely.  Since the 10.x.x.x addresses are served by
your router, they will give you correct DNS servers.  You shouldn't have a
problem.

On Thu, Jan 31, 2008 at 1:38 PM, Gerald <linux at zdoit.airpost.net> wrote:

> Matt,
>
> I forgot to say: Is there a problem that my IP addresses are sometimes
> issued by the 10.6.x.x address? My concern is it will give me a bad DNS
> server which in turn will give me the wrong IP addresses for some
> popular sites such as Paypal and my bank.
>
> Matt Chamberlain wrote:
> > Well I'm not too clear what your issue is, but any 24.x.x.x address is
> > likely to be Eastlink, or another web site. 10.x.x.x is going to be a
> > local address.
> >
> > On Thu, Jan 31, 2008 at 1:27 PM, Gerald <linux at zdoit.airpost.net
> > <mailto:linux at zdoit.airpost.net>> wrote:
> >
> >     I'm sorry it was not clear before the problem is the IP address of
> the
> >     DHCP server that is issuing my address, not with the address I
> receive.
> >
> >     The IP address I am getting is a valid Eastlink address. The IP
> address
> >     issued is the same from both DHCP servers. No problems with getting
> >     anywhere on the Internet.
> >
> >     I looked at my logs where I sometimes see:
> >
> >     Jan 28 16:22:21 x dhclient: DHCPREQUEST on eth0 to 24.x.x.x port 67
> >     Jan 28 16:22:25 x dhclient: DHCPREQUEST on eth0 to 24.x.x.x port 67
> >     Jan 28 16:22:25 x dhclient: DHCPACK from 24.x.x.x
> >     Jan 28 16:22:25 x dhclient: bound to 24.y.y.y -- renewal in 68428
> >     seconds.
> >
> >     And sometimes something similar to:
> >
> >     Jan 30 17:24:52 x dhclient: DHCPREQUEST on eth0 to 255.255.255.255
> >     <http://255.255.255.255> port 67
> >     Jan 30 17:24:57 x dhclient: DHCPREQUEST on eth0 to 255.255.255.255
> >     <http://255.255.255.255> port 67
> >     Jan 30 17:24:57 x dhclient: DHCPACK from 10.6.z.z
> >     Jan 30 17:24:57 x NET: /sbin/dhclient-script : updated
> /etc/resolv.conf
> >     Jan 30 17:24:57 x dhclient: bound to 24.y.y.y -- renewal in 78329
> >     seconds.
> >
> >     Jon wrote:
> >      > A 10.6.x.x is a private network much like a 192.168 network. It
> is
> >      > unroutable which means that any packet on the Internet to or from
> >     a 10.
> >      > IP will be dropped. So, Matt is correct in that you are getting
> an IP
> >      > address from device which is issuing private IPs (and performing
> >     NAT if
> >      > you are able to get out onto the internet) and that is almost
> >     always a
> >      > router.
> >      >
> >      > While I'm relatively new to NS, I can't see a cable modem issuing
> >     IPs.
> >      > Assuming you can reach the outside world, try to traceroute
> something
> >      > like google.com <http://google.com> <http://google.com> and see
> >     what you get. That should
> >      > illuminate some of your internal network routing.
> >      >
> >      > Jon
> >      >
> >      >
> >      >
> >      > On Jan 31, 2008 12:36 PM, Matt Chamberlain
> >     <chamberlain2007 at gmail.com <mailto:chamberlain2007 at gmail.com>
> >      > <mailto:chamberlain2007 at gmail.com
> >     <mailto:chamberlain2007 at gmail.com>>> wrote:
> >      >
> >      >     Have you started using a router? 10.x.x.x is often associated
> >     with
> >      >     routers, I believe.
> >      >
> >      >     On Thu, Jan 31, 2008 at 12:34 PM, Gerald
> >     <linux at zdoit.airpost.net <mailto:linux at zdoit.airpost.net>
> >      >     <mailto:linux at zdoit.airpost.net
> >     <mailto:linux at zdoit.airpost.net>>> wrote:
> >      >
> >      >         How do I tell if a 10.6.x.x IP address is my Eastlink
> >     cable modem?
> >      >
> >      >         My DHCP addresses now seem to be issued by that instead
> >     of the
> >      >         222.x.x.x
> >      >         address.
> >
> >     --
> >     Gerald
> >     _______________________________________________
> >     nSLUG mailing list
> >     nSLUG at nslug.ns.ca <mailto:nSLUG at nslug.ns.ca>
> >     http://nslug.ns.ca/cgi-bin/mailman/listinfo/nslug
> >
> >
> >
> > ------------------------------------------------------------------------
> >
> > This body part will be downloaded on demand.
>
> --
> Gerald
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