[outages] Intermittent ICMP and DNS for 4.2.2.[123]

Dan White dwhite at olp.net
Wed Oct 19 13:08:11 EDT 2011


10-4:

~$ mtr -n -c 100 --report 4.2.2.2
HOST: quark                       Loss%   Snt   Last   Avg  Best  Wrst StDev
   1.|-- 10.0.2.1                   0.0%   100    1.9   1.9   0.8   4.5 0.7
   2.|-- 67.217.152.5               0.0%   100    1.5   2.4   0.8  10.3 1.8
   3.|-- 67.217.151.97              0.0%   100    1.1   4.1   0.9 136.6 15.9
   4.|-- 67.217.152.34              0.0%   100    1.5   1.6   1.5   2.4 0.1
   5.|-- 4.71.13.121                0.0%   100    8.6  23.7   8.5 341.7 49.5
   6.|-- 4.2.2.2                   60.0%   100   47.4  45.0  40.0  54.7 3.2

Under normal circumstances, I typically see at least one more hop in front
of 4.2.2.2, and much lower latency.

 From this, I assume the packet loss I'm seeing is due to a problem within
Level 3's network. And may be limited to a Dallas link/router, based on
others' reports.

On 19/10/11 11:45 -0500, Frank Bulk wrote:
>If you're seeing packet loss on pings, please use a tool like mtr to show
>where it's happening.
>
>Frank
>
>-----Original Message-----
>From: outages-bounces at outages.org [mailto:outages-bounces at outages.org] On
>Behalf Of Dan White
>Sent: Wednesday, October 19, 2011 11:21 AM
>To: Josh Luthman
>Cc: outages at outages.org
>Subject: Re: [outages] Intermittent ICMP and DNS for 4.2.2.[123]
>
>Additional information (I'm still seeing the problem)
>
>~$ traceroute 4.2.2.2
>traceroute to 4.2.2.2 (4.2.2.2), 30 hops max, 60 byte packets
>  1  10.0.2.1 (10.0.2.1)  3.813 ms  3.779 ms  4.183 ms
>  2  olp-67-217-152-5.olp.net (67.217.152.5)  2.547 ms  2.582 ms  2.761 ms
>  3  router.olp.net (67.217.151.97)  2.520 ms  2.514 ms  2.509 ms
>  4  olp-67-217-152-34.olp.net (67.217.152.34)  2.678 ms  2.659 ms  2.582 ms
>  5  ge-6-10-183.car1.dallas1.level3.net (4.71.13.121)  11.008 ms  11.010 ms
>11.002 ms
>  6  * * *
>  7  * * *
>  8  * * *
>  9  * * *
>10  vnsc-bak.sys.gtei.net (4.2.2.2)  56.222 ms  61.235 ms  61.239 ms
>
>~$ ping -c 10 4.2.2.2
>PING 4.2.2.2 (4.2.2.2) 56(84) bytes of data.
>64 bytes from 4.2.2.2: icmp_req=1 ttl=59 time=51.1 ms
>64 bytes from 4.2.2.2: icmp_req=6 ttl=59 time=57.0 ms
>64 bytes from 4.2.2.2: icmp_req=7 ttl=59 time=35.5 ms
>64 bytes from 4.2.2.2: icmp_req=8 ttl=59 time=31.7 ms
>
>--- 4.2.2.2 ping statistics ---
>10 packets transmitted, 4 received, 60% packet loss, time 9045ms
>rtt min/avg/max/mdev = 31.754/43.865/57.000/10.493 ms
>
>~$ ping -c 10 4.71.13.121
>PING 4.71.13.121 (4.71.13.121) 56(84) bytes of data.
>64 bytes from 4.71.13.121: icmp_req=1 ttl=251 time=14.7 ms
>64 bytes from 4.71.13.121: icmp_req=2 ttl=251 time=9.15 ms
>64 bytes from 4.71.13.121: icmp_req=3 ttl=251 time=9.14 ms
>64 bytes from 4.71.13.121: icmp_req=4 ttl=251 time=8.82 ms
>64 bytes from 4.71.13.121: icmp_req=5 ttl=251 time=11.3 ms
>64 bytes from 4.71.13.121: icmp_req=6 ttl=251 time=9.72 ms
>64 bytes from 4.71.13.121: icmp_req=7 ttl=251 time=8.47 ms
>64 bytes from 4.71.13.121: icmp_req=8 ttl=251 time=8.47 ms
>64 bytes from 4.71.13.121: icmp_req=9 ttl=251 time=9.57 ms
>64 bytes from 4.71.13.121: icmp_req=10 ttl=251 time=9.49 ms
>
>--- 4.71.13.121 ping statistics ---
>10 packets transmitted, 10 received, 0% packet loss, time 9014ms
>rtt min/avg/max/mdev = 8.471/9.898/14.793/1.809 ms
>
>
>On 19/10/11 12:14 -0400, Josh Luthman wrote:
>ping -c 10 4.2.2
>>Rock solid at 26 ms for me
>>
>>-> traceroute 4.2.2.2
>>traceroute to 4.2.2.2 (4.2.2.2), 30 hops max, 40 byte packets
>> 1  rrcs-74-218-208-193.central.biz.rr.com (74.218.208.193)  0.531 ms
>>0.485 ms  0.450 ms
>> 2  rrcs-74-218-88-133.central.biz.rr.com (74.218.88.133)  0.418 ms
>>0.390 ms  0.589 ms
>> 3  rrcs-74-218-88-129.central.biz.rr.com (74.218.88.129)  1.061 ms
>>2.046 ms  2.024 ms
>> 4  vln864.dytnoh1-swt101.woh.rr.com (74.218.88.73)  3.000 ms  2.977
>>ms  2.943 ms
>> 5  gig2-1-801.dytnoh1-rtr102.woh.rr.com (70.60.47.5)  2.910 ms  2.884
>>ms  2.858 ms
>> 6  gig5-0.dytnoh1-rtr1.woh.rr.com (24.29.160.21)  2.840 ms  2.845 ms
>1.922 ms
>> 7  tge5-1-0.tr00.clmkohpe.mwrtn.rr.com (65.25.137.177)  8.852 ms
>>8.812 ms  8.788 ms
>> 8  ae-4-0.cr0.chi30.tbone.rr.com (66.109.6.68)  18.744 ms  18.953 ms
>>ae-9-0.cr0.chi30.tbone.rr.com (107.14.19.16)  18.692 ms
>> 9  107.14.17.147 (107.14.17.147)  18.899 ms
>>ae-1-0.pr0.chi10.tbone.rr.com (66.109.6.155)  18.874 ms  18.839 ms
>>10  xe-10-2-0.edge2.Chicago2.Level3.net (4.59.28.109)  25.573 ms
>>xe-10-0-0.edge2.Chicago2.Level3.net (4.59.28.101)  25.549 ms
>>xe-10-2-0.edge2.Chicago2.Level3.net (4.59.28.109)  25.507 ms
>>11  vlan51.ebr1.Chicago2.Level3.net (4.69.138.158)  25.482 ms  25.458
>>ms vlan52.ebr2.Chicago2.Level3.net (4.69.138.190)  25.432 ms
>>12  ae-6-6.ebr1.Chicago1.Level3.net (4.69.140.189)  41.152 ms  34.879
>>ms  35.936 ms
>>13  ae-11-51.car1.Chicago1.Level3.net (4.69.138.3)  35.880 ms
>>ae-21-52.car1.Chicago1.Level3.net (4.69.138.35)  35.848 ms  35.822 ms
>>14  vnsc-bak.sys.gtei.net (4.2.2.2)  36.780 ms  36.755 ms
>>
>>Josh Luthman
>>Office: 937-552-2340
>>Direct: 937-552-2343
>>1100 Wayne St
>>Suite 1337
>>Troy, OH 45373
>>
>>
>>
>>On Wed, Oct 19, 2011 at 11:59 AM, Dan White <dwhite at olp.net> wrote:
>>> I've been noticing packet loss while pinging 4.2.2.1, 4.2.2.2, and
>4.2.2.3
>>> in the last few minutes, which are usually my go to IP addresses for
>>> testing external server connectivity.
>>>
>>> DNS also seems to be intermittent.
>>>
>>> --
>>> Dan White
>>> _______________________________________________
>>> Outages mailing list
>>> Outages at outages.org
>>> https://puck.nether.net/mailman/listinfo/outages
>>>
>>
>
>-- 
>Dan White
>BTC Broadband
>Ph  918.366.0248 (direct)   main: (918)366-8000
>Fax 918.366.6610            email: dwhite at olp.net
>http://www.btcbroadband.com
>_______________________________________________
>Outages mailing list
>Outages at outages.org
>https://puck.nether.net/mailman/listinfo/outages
>
>
>
>_______________________________________________
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>

-- 
Dan White
BTC Broadband
Ph  918.366.0248 (direct)   main: (918)366-8000
Fax 918.366.6610            email: dwhite at olp.net
http://www.btcbroadband.com



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