Packetloss while transiting as7018

Brad Tarno brad.tarno at rackspace.com
Tue Jul 1 14:20:34 CDT 2008


Any AT&T engineers willing to help me out?  I'm seeing some significant
packet loss but only when using our AT&T circuit.


(USING AT&T)
Source: 67.192.51.58
Destination:  24.73.68.114

traceroute to 24.73.68.114 (24.73.68.114), 30 hops max, 46 byte packets
 1  72.3.242.2 (72.3.242.2)  0.569 ms  0.566 ms  0.606 ms
 2  core3-120.dfw1.rackspace.net (72.3.129.128)  0.359 ms  0.338 ms
0.366 ms
 3  vlan903.edge4.dfw1.rackspace.com (72.3.128.52)  0.484 ms  0.476 ms
0.366 ms
 4  12.87.41.177 (12.87.41.177)  2.111 ms  1.980 ms  1.864 ms
 5  tbr1.dlstx.ip.att.net (12.122.100.42)  2.485 ms  2.474 ms  2.613 ms
     MPLS Label=32334 CoS=0 TTL=127 S=0
 6  * ggr3.dlstx.ip.att.net (12.123.16.193)  2.091 ms  1.962 ms
 7  * 192.205.35.142 (192.205.35.142)  2.210 ms  2.212 ms
 8  vlan89.csw3.Dallas1.Level3.net (4.68.19.190)  2.483 ms  12.595 ms *
 9  ae-81-81.ebr1.Dallas1.Level3.net (4.69.136.129)  15.869 ms *  6.799
ms
10  ae-1-12.bar2.Tampa1.Level3.net (4.69.137.117)  59.553 ms  33.089 ms
33.075 ms
11  * * *
12  ROADRUNNER.car2.Tampa1.Level3.net (4.79.146.2)  33.198 ms  33.463 ms
33.288 ms
13  gig14-0.tampfledc-rtr2.tampflrdc.rr.com (65.32.13.34)  33.341 ms
33.190 ms *
14  gig14-1-0.tampflc03-ar41.tampflrdc.rr.com (65.32.24.113)  36.223 ms
35.200 ms *
15  rrcs-24-73-68-114.se.biz.rr.com (24.73.68.114)  46.048 ms * *


--- 24.73.68.114 ping statistics ---
374 packets transmitted, 193 received, 48% packet loss, time 373296ms
rtt min/avg/max/mdev = 42.010/44.140/65.817/2.757 ms, pipe 2


(NOT USING AT&T)

traceroute to 24.73.68.114 (24.73.68.114), 30 hops max, 46 byte packets
 1  72.3.242.2 (72.3.242.2)  0.598 ms  0.972 ms  0.606 ms
 2  core3-120.dfw1.rackspace.net (72.3.129.128)  0.504 ms  0.468 ms
0.441 ms
 3  vlan903.edge3.dfw1.rackspace.com (72.3.128.51)  1.914 ms  1.954 ms
1.992 ms
 4  xe-8-1.r02.dllstx09.us.bb.gin.ntt.net (157.238.225.221)  2.098 ms
2.138 ms  1.986 ms
 5  4.68.63.221 (4.68.63.221)  60.079 ms  2.060 ms  2.120 ms
 6  vlan89.csw3.Dallas1.Level3.net (4.68.19.190)  2.419 ms  15.234 ms
2.244 ms
 7  ae-81-81.ebr1.Dallas1.Level3.net (4.69.136.129)  2.758 ms  14.855 ms
2.995 ms
 8  ae-1-12.bar2.Tampa1.Level3.net (4.69.137.117)  33.125 ms  32.968 ms
33.334 ms
 9  ae-7-7.car2.Tampa1.Level3.net (4.69.133.41)  32.984 ms  32.956 ms
33.192 ms
10  ROADRUNNER.car2.Tampa1.Level3.net (4.79.146.2)  33.161 ms  33.068 ms
33.343 ms
11  gig10-0.tampfledc-rtr2.tampflrdc.rr.com (65.32.13.65)  33.213 ms
gig14-0.tampfledc-rtr2.tampflrdc.rr.com (65.32.13.34)  33.085 ms  32.954
ms
12  gig14-1-0.tampflc03-ar41.tampflrdc.rr.com (65.32.24.113)  34.965 ms
35.080 ms  34.845 ms
13  rrcs-24-73-68-114.se.biz.rr.com (24.73.68.114)  42.830 ms  43.941 ms
44.589 ms


--- 24.73.68.114 ping statistics ---
122 packets transmitted, 122 received, 0% packet loss, time 121191ms
rtt min/avg/max/mdev = 41.699/43.900/46.118/1.060 ms, pipe 2

============================
Brad Tarno
Backbone Network Engineer
Rackspace IT Hosting
============================



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