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Comments on news posted 2013-01-22 12:18:33: AT&T customers in our forums note that AT&T has been experiencing a service outage across numerous states. ..

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jbob
Reach Out and Touch Someone
Premium
join:2004-04-26
Little Rock, AR

No Explanations yet

They still have no explanation for the outage? Single point failure?


Linklist
Premium
join:2002-03-03
Longport, NJ
kudos:5

Some info on outage

Consumerist fielding many reports of the U-Verse outage:
»consumerist.com/2013/01/22/u-ver···-states/

AT&T support forum thread on outage:
»forums.att.com/t5/Features-and-H···/3407509

ISurfTooMuch

join:2007-04-23
Tuscaloosa, AL

So tell me again why landlines are better?

OK, I know that U-verse voice is more of a VoIP service than a landline, but that's the direction that the telcos want to move in. So, when that happens, won't that negate any advantages of a landline in terms of reliability?

What I'm curious about is what could cause such a widespread outage. If it's a failure in a single piece of equipment, then it seems that AT&T's infrastructure isn't very robust. Not very comforting for something as important as telecommunications.


morbo
Complete Your Transaction

join:2002-01-22
00000

NSA cable switchover is causing some problems. Hold tight-- your phone, internet, and wireless communications will be 100% monitored by the NSA again very soon.


amungus
Premium
join:2004-11-26
America
Reviews:
·KCH Cable
·AT&T DSL Service

possible?

Hmm, is it possible that this could be due to massive NAT failure?
I recall reading about some ISP's wanting to NAT out tons of IPv4 addresses since they are so 'rare' anymore... could it be that they were attempting to implement something like this, and it all fell apart?

Sorry to hear about all the fail. Taking it to a recent FB post is probably one of the only ways to reach out and touch them, being such a massive and impossible to penetrate tangled web.


IllIlIlllIll
EliteData
Premium
join:2003-07-06
Hampton Bays, NY
kudos:7

reply to ISurfTooMuch

Re: So tell me again why landlines are better?

said by ISurfTooMuch:

OK, I know that U-verse voice is more of a VoIP service than a landline, but that's the direction that the telcos want to move in. So, when that happens, won't that negate any advantages of a landline in terms of reliability?

What I'm curious about is what could cause such a widespread outage. If it's a failure in a single piece of equipment, then it seems that AT&T's infrastructure isn't very robust. Not very comforting for something as important as telecommunications.

from reading the forum posts, it sounds like hardware/power failure at a major facility.
--
Suffolk County NY Police Feed - »www.scpdny.com
PS3 Gaming Feed - »www.livestream.com/elitedata


MovieLover76

join:2009-09-11
kudos:1
Reviews:
·Verizon FiOS
·DIRECTV
·Optimum Online
·Cablevision

reply to ISurfTooMuch
Reliability is something that comes in time, newer technologies have growing pains. Remember when Verizon had LTE outages which are now a thing of the past.

And U-verse hasn't had a lot of widespread outages, this is the first I've heard of.

More reliability comes with time. POTS can have downtime too, but they are normally more localized.



FBGuy
Premium
join:2005-03-19
Evanston, IL

reply to amungus

Re: possible?

I'm going to venture a guess that AT&T has no shortage of IPv4 addresses.


jjoshua
Premium
join:2001-06-01
Scotch Plains, NJ
kudos:3

Don't complain via twitter

Everyone should pay their bill a few days late when this happens.


Linklist
Premium
join:2002-03-03
Longport, NJ
kudos:5

reply to ISurfTooMuch

Re: So tell me again why landlines are better?

said by ISurfTooMuch:

What I'm curious about is what could cause such a widespread outage.

From what I read in the AT&T forum on the outage, it appears to be a problem with the DHCP servers that hand out IP addresses. They may have been doing a software upgrade on those servers and the software update bombed out.
--
A democracy cannot exist as a permanent form of government. It can only exist until the voters discover that they can vote themselves money from the public treasury.

tkdslr

join:2004-04-24
Pompano Beach, FL
Reviews:
·T-Mobile US
·Speakeasy

My bet.. DHCP servers crashed..

And forgot all the existing IP address lease assignments..

When it comes back up.. it starts handing out already leased(still in use) IP addresses.. to newly rebooted boxes.. I.E. A real mess.

People who left their boxes plugged in/on.. stayed on.. sort of, until a the freshly restarted u-verse box get's a dup'd DHCP IP assignment. Then the games begin.

This type of mayhem could continue on for several days. (depending on DHCP lease interval).


Metatron2008
Premium
join:2008-09-02
Stockbridge, GA

The REAL reason for the crash

Is that Uverse is run by At&t.


dnoyeB
Ferrous Phallus

join:2000-10-09
Southfield, MI

reply to tkdslr

Re: My bet.. DHCP servers crashed..

You don't really believe DHCP is that unintelligent do you?


shortyd999

join:2008-10-21
Birmingham, AL

Info

We were told there are 32 VHOs are affected by the outage and the DHCP server in TX. No ETR or what cause the outage.


Kara

@comcast.net

TOS covered when att has outages

Sorry but terms of service will cover their butts when outage ect happen don't matter that is phone or tv same apply. Try reading it

tkdslr

join:2004-04-24
Pompano Beach, FL

reply to dnoyeB

Re: My bet.. DHCP servers crashed..

yes, it is... especially when a network is too large to support wholesale network wide broadcasts.. (I.E. It's some sort of customized hybrid network)..


Mr Anon

@k12.il.us

Glad I missed it.

I feel bad for all those having issues but my service Oak Lawn IL, is fine.


NetFixer
From my cold dead hands
Premium
join:2004-06-24
The Boro
Reviews:
·Comcast Business..
·Vonage
·Cingular Wireless
·Comcast

reply to FBGuy

Re: possible?

said by FBGuy:

I'm going to venture a guess that AT&T has no shortage of IPv4 addresses.

Perhaps not, but they are nonetheless conserving their use by using NAT:


C:\>tracert -4 att.yahoo.com
 
Tracing route to ds-any-ycpi-uno.aycpi.b.yahoodns.net [206.190.57.60]
over a maximum of 30 hops:
 
  1     *        *        *     Request timed out.
  2   381 ms   401 ms   401 ms  172.26.248.2
  3   359 ms   365 ms   368 ms  172.16.7.82
  4   348 ms   406 ms   401 ms  10.251.11.32
  5   365 ms   399 ms   474 ms  10.251.10.2
  6   323 ms   349 ms   340 ms  10.252.1.1
  7   315 ms   365 ms   337 ms  209-183-048-002.mobile.mymmode.com [209.183.48.2]
  8   327 ms   370 ms   365 ms  172.16.75.1
  9   339 ms   400 ms   388 ms  12.94.97.13
 10   368 ms   399 ms   410 ms  cr1.dlstx.ip.att.net [12.122.100.26]
 11   340 ms   411 ms   364 ms  dlstx02jt.ip.att.net [12.122.214.245]
 12   340 ms   342 ms   389 ms  192.205.37.50
 13   355 ms   365 ms   383 ms  ash-bb3-link.telia.net [213.155.130.70]
 14   350 ms   491 ms   414 ms  ash-bb1-link.telia.net [80.91.248.161]
 15   386 ms   443 ms   352 ms  yahoo-ic-141068-ash-bb1.c.telia.net [80.239.193.54]
 16   333 ms   398 ms   388 ms  UNKNOWN-206-190-56-X.yahoo.com [206.190.56.13]
 17   351 ms   411 ms   388 ms  r1.ycpi.vip.dcb.yahoo.net [206.190.57.60]
 
Trace complete.
 



The above traceroute example is on an AT&T Mobility 3G connection, but they are doing the same thing to U-verse in many areas (and the plan is to make NAT universal for all customers who do not pay for static IPv4 public addresses).

--
A well-regulated militia, being necessary to the security of a free State, the right of the people to keep and bear arms shall not be infringed.

When governments fear people, there is liberty. When the people fear the government, there is tyranny.


maartena
Elmo
Premium
join:2002-05-10
Orange, CA
kudos:1

Southern California still up

Glad I still have internet


dnoyeB
Ferrous Phallus

join:2000-10-09
Southfield, MI
Reviews:
·Comcast

reply to tkdslr

Re: My bet.. DHCP servers crashed..

If you can hand out network wide IP addresses you have enough communication to ensure they do not get used twice. Otherwise this problem would have always existed.
--
dnoyeB
"Then said I, Wisdom [is] better than strength: nevertheless the poor man's wisdom [is] despised, and his words are not heard. " Ecclesiastes 9:16

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