If you can find someone with a non Comcast issued modem I would suggest
testing that.

I went through 3 different xfinity crap modems resulting in the same BS
performance. This may not resolve your issue but worth a try. Make sure
that your connections are well tightened as well.
On Feb 1, 2015 2:19 PM, "Olwe Bottorff" <galanolwe at yahoo.com> wrote:

> Outside says Xfinity XB3. Admin page says:
>
> Model: DPC3939
> Vendor: Cisco
> Hardware Revision: 1.0
> Serial Number: 269815875
> Processor Speed: 447.28 MHz
> DRAM: 524288 MB
> Flash: 128 MB
>
>
>   On Sunday, February 1, 2015 3:01 PM, Ryan Coleman <ryan.coleman at cwis.biz>
> wrote:
>
>
>
> Which model modem did they bring?
>
> On Feb 1, 2015, at 1:44 PM, Olwe Bottorff <galanolwe at yahoo.com> wrote:
>
> Looking at the modem admin page, I saw that the errant T410 was only
> listed as its MAC address. Also, it was not listed as DHCP but always
> listed with a "Reserved IP" of 172.16.0.145 --which will not allow itself
> to be changed, even when I repeatedly try to choose DHCP and save. On a
> hunch, I changed (Ubuntu/Gnome) in the "IPv4 Settings" tab from "Automatic
> (DHCP) to "Automatic (DHCP) addresses only". Now it works . . . after a
> whole weekend of hair-tearing-out! Can anyone tell me why it wants to
> default to (won't change from) "Reserve IP"? And what did my changing to ".
> . . addresses only" do exactly?
>
> Thanks.
>
>
>   On Sunday, February 1, 2015 1:43 PM, Olwe Bottorff <galanolwe at yahoo.com>
> wrote:
>
>
>
> I want to blame Comcast because these problems on the T410 don't appear
> when I use it on any other Wifi connection (I'll test again to make sure)
> -- and they don't even happen when Comcast gave us a loaner modem a few
> weeks ago! The new box is a dual 2.4/5.0 GHZ, while the loaner box was just
> 2.4 GHZ. On the new (and previous) 2.4/5.0 box I can't get any Internet
> logging into the 2.4, and the 5.0 connection gives me the aforesaid
> weirdness. There has been sporadic weirdness with other things too: Android
> devices tend to act up occasionally; an older Kindle has trouble getting
> online. I also tested this with the T410 on a straight ethernet connection
> to the modem -- same problems. To make it even more confusing, I tried
> Win8.1 on the T410 -- and it worked just fine. So if my T410/U14.10 works
> elsewhere AND with a different Comcast modem, gosh, it must be some very
> weird clash with the 2.4/5.0 Comcast modem and my T410/U14.10. Also, my
> Thinkpad X201 used to have weirdness, but it settled down and seems to work
> now. That's another wrinkle to this, problems come and go. For a long time
> we'd get Internet AFTER we waited 10 minutes or so after Wifi login,
> sometimes even with ethernet. But again, like I say, my older T61/U14.10
> works fine. The only explanation I can think of is that the Comcast 2.4/5.0
> modem and U14.10's network software don't like each other when U14.10 is
> installed on my T410. Just for laughs, I should get a non-Debian Linux
> version or even BSD for my T410 and see what happens.
>
>
>   On Sunday, February 1, 2015 11:32 AM, Ryan Coleman <
> ryan.coleman at cwis.biz> wrote:
>
>
>
>  My Thinkpad T61 (also Ubuntu 14.10) works fine with no weirdness.
>
> So it’s your laptop not Comcast.
>
> It’s amazing who quickly people blame their ISP when only one device on
> the network has issues.
>
> I suspect something is RFU with your firewall (UFW).
>
> On Feb 1, 2015, at 9:47 AM, Olwe Bottorff <galanolwe at yahoo.com> wrote:
>
> Still having problems with my Comcast Internet service. Now it looks like
> my U14.10 Thinkpad 410 connection (wire or w-less) won't do ssh (no route
> to host), won't give me most web pages, but, amazingly, will connect with
> gmail, YouTube, and Wikipedia. Also, I can do software updates and
> synaptic. My Thinkpad T61 (also Ubuntu 14.10) works fine with no weirdness.
>
> LB
> Grand Marais (in spirit)
> _______________________________________________
> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
> tclug-list at mn-linux.org
> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>
>
>
>
>
>
>
>
>
>
> _______________________________________________
> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
> tclug-list at mn-linux.org
> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20150201/981a67e4/attachment.html>