nanog mailing list archives

Re: SBCglobal routing loop.


From: "Mike Lyon" <mike.lyon () gmail com>
Date: Fri, 18 Jul 2008 10:40:43 -0700

Think this may be an ongoing issue... Last night out here in the bay
area, myself and many other SBC/ATT users were experiencing random
blackholed networks. Total PITA!

-Mike


On Fri, Jul 18, 2008 at 10:33 AM, Justin Ream <justin.ream () tierzero com> wrote:
Hey we got one too - we're having problems through Level 3.



 Hop IP Address Hostname ASN Network Name % Loss Min Latency Latency Avg
Latency Max Latency Std Dev
 1 192.168.1.1 192.168.1.1   0 0.37  0.47 0.67 0.06
 2 192.168.1.254 192.168.1.254   0 0.66  0.76 1.1 0.07
 3 216.31.131.253 s1p20.colo1.lax.ca.us.tierzero.net 11509 TIERZERO-700LA 0
1.98  5.02 133.36 18.37
 4 216.31.128.131 asbr2.bsap.lax1.ca.us.tierzero.net 11509 TIERZERO-700LA 0
2.24  6.88 186.29 25.73
 5 4.71.142.93 ge-9-23.car2.LosAngeles1.Level3.net 3356 LVLT-ORG-4-8 0 2.4
11.92 183.51 36.78
 6 4.68.20.69 ae-23-79.car3.LosAngeles1.Level3.net 3356 LVLT-ORG-4-8 0 2.79
7.21 70.62 14.11
 7 4.68.110.114 sbc-level3-10ge.LosAngeles1.Level3.net 3356 LVLT-ORG-4-8 0
2.89  15.72 207.58 35.31
 8 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 5.71 2.77
3.8 21.95 3.22
 9 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 76 2.86
36.28 196.96 71.87
 10 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 11.11
2.72  7.12 126.74 21.49
 11 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 52 3.06
16.62 138.84 37.11
 12 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 13.89
2.91  15.14 160.99 35.24
 13 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 48.28
2.93  15 92.22 29.64
 14 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 2.63 2.76
8.06 122.75 20.76
 15 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 61.54
3.18  11.46 49.49 15.65
 16 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 0 2.81
8.9 85.47 19.06
 17 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 72 3  4
7.61 1.49
 18 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 8.33 2.75
8.65 142.66 24.57
 19 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 80 3.24
5.15 11.5 3.19
 20 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 0 2.91
3.57 9.63 1.06
 21 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 68 3
36.53 139.3 57.23
 22 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 5.26 2.94
9.24 198.98 32.15
 23 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 55.56
3.23  6.79 39.86 9.99
 24 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 11.43
3.05  7.4 123.63 21.22
 25 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 80 3.17
41.51 194.34 76.41
 26 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 7.32 3
7.36 137.2 21.43
 27 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 61.54
3.08  7.36 24.55 7.1
 28 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 8.33 3.1
7.76 132.98 22.14
 29 151.164.188.138 bb2-p14-0.scrm01.sbcglobal.net 7132 SBCIS-SIS80 68 3.44
21.86 148.94 48.03
 30 151.164.191.226 ex2-p3-0.eqlaca.sbcglobal.net 7132 SBCIS-SIS80 23.08
3.16  7.74 84.7 17.66

-Justin

On 7/18/08 10:30 AM, "Logan Rawlins" <logan.rawlins () highwinds com> wrote:

Anyone from sbcglobal out there?  i'm seeing a routing loop.  Please
contact me off list  thanks.

sourceip:  69.16.137.66


tracert 75.58.215.133

Tracing route to adsl-75-58-215-133.dsl.hstntx.sbcglobal.net
[75.58.215.133]
over a maximum of 30 hops:

1     2 ms    <1 ms    <1 ms  192.168.113.1
2     1 ms     2 ms     2 ms  69.16.137.66
3     1 ms     2 ms     2 ms  e-2-21-1000m.core-04.phx2.puregig.net
[69.16.128
.110]
4     2 ms     2 ms     5 ms  v303.ar1.ph.hwng.net [69.16.128.137]
5     1 ms     1 ms     2 ms  ve1011.r2.ph.hwng.net [69.16.190.161]
6    11 ms    20 ms    11 ms  2-1.r1.la.hwng.net [69.16.191.37]
7    12 ms    11 ms    11 ms  vl101.ar1.lax1.us.nlayer.net
[69.31.127.29]
8    11 ms    11 ms    11 ms  ae0-60.cr1.lax1.us.nlayer.net
[69.31.127.165]
9    11 ms    11 ms    11 ms  ex1-g12-0.eqlaca.sbcglobal.net
[69.31.127.50]
10    11 ms    11 ms    11 ms  151.164.188.139
11    11 ms    11 ms    11 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

12    11 ms    11 ms    11 ms  151.164.188.139
13    11 ms    11 ms    11 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

14    14 ms    11 ms    11 ms  151.164.188.139
15    11 ms    11 ms    11 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

16    11 ms    11 ms    11 ms  151.164.188.139
17    11 ms    12 ms    11 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

18    11 ms    11 ms    11 ms  151.164.188.139
19    12 ms    11 ms    11 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

20    12 ms    11 ms    11 ms  151.164.188.139
21    11 ms    11 ms    12 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

22    11 ms    11 ms    11 ms  151.164.188.139
23    14 ms    11 ms    12 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

24    11 ms    11 ms    11 ms  151.164.188.139
25    11 ms    11 ms    16 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

26    14 ms    11 ms    12 ms  151.164.188.139
27    11 ms    12 ms    12 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

28    12 ms    11 ms    11 ms  151.164.188.139
29    11 ms    12 ms    12 ms  bb2-p14-0.scrm01.sbcglobal.net
[151.164.188.138]

30    11 ms    11 ms    11 ms  151.164.188.139

Trace complete.







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