Re: [Nolug] Cox 2nd level technician says...

Is the loss you're seeing to the first (external) hop when doing a
traceroute?

Jerry Wilborn
jerrywilborn@gmail.com

On Mon, May 19, 2014 at 1:15 PM, John Souvestre <johns@sstar.com> wrote:

> Hello Jerry.
>
>
>
> I have a Cisco DPC3010, straight from Cox (twice). It allows access to
> the status page (192.168.100.1) which includes the signal level info. My
> signals are always good, even when the packet loss is taking place. Others
> in my area have the problem also. So it’s not a problem on just my feed.
>
>
>
> Sometimes problem seems to correlate with high-usage times (late
> afternoon, evening), but not well enough to say there is a casual link.
> For example, I saw loss of over 1% yesterday during these periods:
>
>
>
> 00:50 to 01:00
>
> 03:00 to 05:00 (up to 10%)
>
> 15:40 to 17:00 (up to 12%)
>
> 19:52 to 19:59 (up to 25%)
>
>
>
> The techs have totally replaced every bit of the line (and splitter, and
> port) from my modem to the pedestal port. Besides checking signal levels
> dozens of times, they have also checked it with a spectrum analyzer and a
> TDR.
>
>
>
> The problem is very intermittent, even when it is bad. The field techs
> are working blind, because they never show up when it is happening. In
> spite of this, they often tell me that they have found something wrong and
> fixed it. Doesn’t help, however. They found a few issues this last week,
> for example.
>
>
>
> On two of the previous occasions it turned out to be the Cox gateway
> router. I suspect it again this time. I’m nudging the Network Engineer to
> take a closer look at it.
>
>
>
> Besides the packet loss issues, I’ve had multiple problems with the
> Motorola DVR which Cox provides. The software in it is buggy. I reported
> two of the bugs to them and they told me that nobody else was having these
> problems, so it had to be something physical on my line or DVR. Swapping
> the DVR didn’t help.
>
>
>
> I considered both issues to be almost certainly software bugs. But they
> wasted months before even considering the possibility. When they finally
> did, the supervisor working the first issue asked the guys in his own
> office if they had ever heard of the problem. A few of them had the
> problems on their own DVR’s! I guess that the more you know about Cox’s
> inability to address unusual problems, the less inclined you are to report
> them! And guess what? The next software release fixed the problem.
>
>
>
> Almost the same story with the second issue. Cox spent 11 months,
> including 4 different DVRs, before they officially gave up and declared the
> problem unsolvable. The DVR software vendors claimed there was no such
> problem. Guess what? The next software release reduced the problem by 75%.
>
>
>
> It’s pretty sad.
>
>
>
> John
>
> John Souvestre - New Orleans LA
>
>
>
> *From:* owner-nolug@stoney.kellynet.org [mailto:
> owner-nolug@stoney.kellynet.org] *On Behalf Of *Jerry Wilborn
> *Sent:* Mon, May 19, 2014 10:40 am
>
> *To:* nolug@nolug.org
> *Subject:* Re: [Nolug] Cox 2nd level technician says...
>
>
>
> If you have a Motorola SurfBoard, then you can check your signal levels
> here: http://192.168.100.1/RgSignal.asp
>
>
>
> There are a million things that can affect your specific drop (customers
> being added, weather, etc, etc). When you see your signals go south, you
> can bet on your connection getting worse. It gives you something
> quantifiable to say "my power level is now X dB, someone needs to come
> check it"; I've had good luck getting them to schedule an appointment when
> I'm able to quantify the problem for them (shouldn't have to, but -- oh
> well).
>
>
>
>
>
>
> Jerry Wilborn
> jerrywilborn@gmail.com
>
>
>
> On Sun, May 18, 2014 at 5:29 PM, John Souvestre <johns@sstar.com> wrote:
>
> Interesting. I saw a lot of packet loss between 3:45 and 4:45 this
> afternoon.
> Makes me wonder if some network changes were being made.
>
> The packet loss I see is generally very intermittent. I hope that yours is
> gone for good. :)
>
>
> John
>
> John Souvestre - New Orleans LA
>
>
> -----Original Message-----
> From: owner-nolug@stoney.kellynet.org [mailto:
> owner-nolug@stoney.kellynet.org]
> On Behalf Of Ron Johnson
>
> Sent: Sun, May 18, 2014 4:58 pm
> To: nolug@nolug.org
> Subject: Re: [Nolug] Cox 2nd level technician says...
>
> The problem disappeared some time this afternoon.
>
>
>

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Received on 05/19/14