[outages] AT&T Wireless Web Site - IPv6 down, routing loop

Tue Nov 11 10:17:51 EST 2014

I see the same thing.  I'll see if I can dig up a NOC contact.  I'll also
add it to my monitoring list.

root at nagios:/home/fbulk# traceroute6 wireless.att.com

traceroute to wireless.att.com (2001:1890:1c00:2401::c:0), 30 hops max, 80
byte packets

1  router-core.mtcnet.net (2607:fe28:0:1000::1)  0.284 ms  0.365 ms  0.416
ms

2  sxct.spnc.mtcnet.net (2607:fe28:11:1002::194)  0.216 ms  0.255 ms  0.317
ms

3  v6-premier.movl-mlx.fbnt.netins.net (2001:5f8:7f0a:1::1)  4.948 ms  5.060
ms  5.168 ms

4  v6-ins-kb1-te-12-2-3031.kmrr.netins.net (2001:5f8:2:2::1)  9.332 ms
9.412 ms  9.996 ms

5  v6-ins-kc1-et-9-3.kmrr.netins.net (2001:5f8::28:1)  9.649 ms  9.647 ms
9.640 ms

6  2001:438:fffe::e99 (2001:438:fffe::e99)  13.992 ms  13.947 ms  13.924 ms

7  ae5.cr1.ord2.us.above.net (2001:438:ffff::407d:1e59)  22.817 ms  22.402
ms  22.711 ms

8  ae0.cr2.ord2.us.above.net (2001:438:ffff::407d:14f6)  22.416 ms  22.377
ms  22.354 ms

9  ae14.er2.ord7.us.above.net (2001:438:ffff::407d:1f46)  22.135 ms  22.403
ms  22.983 ms

10  2001:438:ffff::407d:cba (2001:438:ffff::407d:cba)  26.935 ms  25.135 ms
26.908 ms

11  cgcil22crs.ipv6.att.net (2001:1890:ff:ffff:12:122:132:198)  50.822 ms
50.811 ms  51.621 ms

12  sl9mo22crs.ipv6.att.net (2001:1890:ff:ffff:12:122:2:22)  54.079 ms
51.372 ms  51.580 ms

13  sl9mo21crs.ipv6.att.net (2001:1890:ff:ffff:12:122:2:217)  50.745 ms
50.700 ms  50.697 ms

14  dlstx22crs.ipv6.att.net (2001:1890:ff:ffff:12:122:3:221)  115.270 ms
115.295 ms  115.278 ms

15  dlstx406me3.ipv6.att.net (2001:1890:ff:ffff:12:122:119:17)  64.502 ms
64.472 ms  64.468 ms

16  2001:1890:c00:8500::11eb:dd97 (2001:1890:c00:8500::11eb:dd97)  50.943 ms
50.237 ms  50.385 ms

17  * * *

18  * * *

19  * * *

20  * * *

21  * * *

22  * * *

23  * * *

24  * * *

25  * * *

26  * * *

27  * * *

28  * * *

29  * * *

30  * * *

root at nagios:/home/fbulk#

Frank

From: Outages [mailto:outages-bounces at outages.org] On Behalf Of Vinny Abello
via Outages
Sent: Tuesday, November 11, 2014 8:59 AM
To: outages at outages.org
Subject: [outages] AT&T Wireless Web Site - IPv6 down, routing loop

It appears there is a routing loop when trying to reach AT&T Wireless's web
site over IPv6 from where I currently sit:

Pinging wireless.att.com [2001:1890:1c00:2401::c:0] with 32 bytes of data:

Reply from 2001:1890:1c00:2401::c:0: TTL expired in transit.

Ping statistics for 2001:1890:1c00:2401::c:0:

    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Tracing route to wireless.att.com [2001:1890:1c00:2401::c:0]

over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  vlan40.s1-lnsskinj.dellservices.net
[2607:f2a8:1:5::1]

  2    <1 ms    <1 ms    <1 ms  vlan31.colo3.tdc.nwt.dellservices.net
[2607:f2a8:1::1]

  3     1 ms    <1 ms    <1 ms  ge2-3.core3.tdc.nwt.dellservices.net
[2607:f2a8:0:28::1]

  4   135 ms    49 ms     7 ms  ge1-4.core2.tlx.nyc.dellservices.net
[2607:f2a8:0:26::2]

  5     5 ms     5 ms    13 ms  ge1-13.core1.tlx.nyc.dellservices.net
[2607:f2a8:0:6::1]

  6     6 ms     6 ms     6 ms  vlan111.car3.NewYork1.Level3.net
[2001:1900:2100::12ed]

  7     7 ms     6 ms     6 ms  2001:1900:19:7::9

  8     7 ms     7 ms     7 ms  ATT [2001:1900:4:3::202]

  9    46 ms    47 ms    47 ms  n54ny22crs.ipv6.att.net
[2001:1890:ff:ffff:12:122:130:170]

10    46 ms    46 ms    52 ms  wswdc22crs.ipv6.att.net
[2001:1890:ff:ffff:12:122:3:38]

11    45 ms    47 ms    47 ms  attga21crs.ipv6.att.net
[2001:1890:ff:ffff:12:122:2:29]

12    50 ms    47 ms    48 ms  dlstx22crs.ipv6.att.net
[2001:1890:ff:ffff:12:122:28:174]

13    44 ms    44 ms    48 ms  dlstx406me3.ipv6.att.net
[2001:1890:ff:ffff:12:122:119:17]

14    45 ms    45 ms    45 ms  2001:1890:c00:8500::11eb:dd97

15     *        *        *     Request timed out.

16    45 ms    45 ms    45 ms  2001:1890:1c00:2103::3:1a

17     *        *        *     Request timed out.

18    46 ms    45 ms    45 ms  2001:1890:1c00:2103::3:1a

19     *        *        *     Request timed out.

20    45 ms    45 ms    45 ms  2001:1890:1c00:2103::3:1a

21     *        *        *     Request timed out.

22    45 ms    45 ms    45 ms  2001:1890:1c00:2103::3:1a

23     *        *        *     Request timed out.

24    46 ms    45 ms    45 ms  2001:1890:1c00:2103::3:1a

25     *        *        *     Request timed out.

26    46 ms    45 ms    45 ms  2001:1890:1c00:2103::3:1a

27     *        *        *     Request timed out.

28    46 ms    45 ms    46 ms  2001:1890:1c00:2103::3:1a

29     *        *        *     Request timed out.

30    47 ms    46 ms    46 ms  2001:1890:1c00:2103::3:1a

Trace complete.

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