[outages] Possible XO/ATT peering issue in Chicago

Mitchell Kuch mitch at basejp.com
Thu Sep 18 13:21:35 EDT 2014


It does seem to be limited XO/ATT. All looks good to XO via Level3.

4. crr02aldlmi-bue-4.aldl.mi.charter.com         0.0%    10   11.1
10.2   5.3  16.2   3.6
5. bbr01aldlmi-bue-2.aldl.mi.charter.com         0.0%    10    6.2
8.3   5.1  11.9   2.1
6. lag-20.ear1.Chicago2.Level3.net              50.0%    10    9.8
9.9   9.8  10.1   0.1
7. ae-1-51.edge3.Chicago3.Level3.net             0.0%    10    9.7
17.2   9.7  84.6  23.7
8. XO-Level3.edge3.Chicago3.Level3.net           0.0%    10    9.9
9.8   9.7   9.9   0.0
9. 207.88.14.193.ptr.us.xo.net                   0.0%    10   17.8
17.7  15.9  19.1   1.1
10. ae1d0.mcr1.southfield-mi.us.xo.net            0.0%    10   15.7
15.9  15.7  16.4   0.2

 - - Mitchell

On Thu, Sep 18, 2014 at 1:01 PM, Breeden, James W. via Outages
<outages at outages.org> wrote:
> I don't think its only in Chicago. We normally go ATT AS7018 via XO out of Dallas, but I can't get there right now.
>
> Originating from AS19754 BGP against XO in Dallas Equinix.
>
> C:\Users\jwb_000>tracert cr2.cgcil.ip.att.net
>
> Tracing route to cr2.cgcil.ip.att.net [12.122.8.4] over a maximum of 30 hops:
>
>   1    <1 ms    <1 ms    <1 ms  172.24.130.1
>   2     5 ms     5 ms     4 ms  172.24.128.1
>   3     5 ms     5 ms    12 ms  1825a-cloud-cv60-gw.1825a-rtr0.austin-tx.as19754.liveair.net [199.66.152.129]
>   4    10 ms    10 ms    10 ms  1825a-q303-10g.1950stemmons-rtr0.dallas-tx.as19754.liveair.net [199.66.153.86]
>   5    10 ms    11 ms    11 ms  ge5-0-1d0.cir1.dallas2-tx.us.xo.net [65.47.204.17]
>   6     *        *        *     Request timed out.
>   7     *        *        *     Request timed out.
>   8     *        *        *     Request timed out.
>   9     *     ^C
> C:\Users\jwb_000>tracert 216.156.0.185
>
> Tracing route to vb1730.rar3.chicago-il.us.xo.net [216.156.0.185] over a maximum of 30 hops:
>
>   1    <1 ms    <1 ms    <1 ms  172.24.130.1
>   2     5 ms     5 ms     4 ms  172.24.128.1
>   3    10 ms    16 ms     5 ms  1825a-cloud-cv60-gw.1825a-rtr0.austin-tx.as19754.liveair.net [199.66.152.129]
>   4     9 ms    10 ms    13 ms  1825a-q303-10g.1950stemmons-rtr0.dallas-tx.as19754.liveair.net [199.66.153.86]
>   5    10 ms    12 ms    10 ms  ge5-0-1d0.cir1.dallas2-tx.us.xo.net [65.47.204.17]
>   6    39 ms    37 ms    37 ms  vb1730.rar3.chicago-il.us.xo.net [216.156.0.185]
>
> Trace complete.
>
> C:\Users\jwb_000>tracert 12.122.133.34
>
> Tracing route to cr1.cgcil.ip.att.net [12.122.133.34]over a maximum of 30 hops:
>
>   1    <1 ms    <1 ms    <1 ms  172.24.130.1
>   2     5 ms     5 ms     4 ms  172.24.128.1
>   3     5 ms    10 ms     5 ms  1825a-cloud-cv60-gw.1825a-rtr0.austin-tx.as19754.liveair.net [199.66.152.129]
>   4    10 ms     9 ms    10 ms  1825a-q303-10g.1950stemmons-rtr0.dallas-tx.as19754.liveair.net [199.66.153.86]
>   5     9 ms    10 ms     9 ms  ge5-0-1d0.cir1.dallas2-tx.us.xo.net [65.47.204.17]
>   6     *        *        *     Request timed out.
>   7     *        *        *     Request timed out.
>   8     *        *        *     Request timed out.
>   9     *        *        *     Request timed out.
>  10  ^C
>
>
> jwb
> --------------
> James W. Breeden | CEO | LiveAir Networks | it's the way we think
> Smithville West Operations Center | 125 Kellar Rd, Suite C2 | Smithville, TX 78957
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>
>
> -----Original Message-----
> From: Outages [mailto:outages-bounces at outages.org] On Behalf Of Mitchell Kuch via Outages
> Sent: Thursday, September 18, 2014 11:54 AM
> To: outages at outages.org
> Subject: Re: [outages] Possible XO/ATT peering issue in Chicago
>
> For what it is worth, here is the other direction.
>
>  Host                                      Loss%  Last   Avg  Best  Wrst StDev
>  4. cr2.cgcil.ip.att.net                    0.0%   7.8   8.4   6.4  13.7   1.3
>  5. gar13.cgcil.ip.att.net                  0.0%   8.5   8.7   6.6  33.6   2.2
>  6. 206.111.2.89.ptr.us.xo.net             17.9%  38.0  38.3  37.3  75.4   3.0
>  7. 207.88.14.193.ptr.us.xo.net            13.7%  44.7  45.7  43.2  48.8   1.2
>  8. ae1d0.mcr1.southfield-mi.us.xo.net     13.7%  44.5  46.5  43.2 104.6   8.2
>
>  - - Mitchell
>
> On Thu, Sep 18, 2014 at 12:34 PM, Bill Wichers via Outages <outages at outages.org> wrote:
>> Is anyone else seeing excessive packet loss between ATT and XO in Chicago?
>> We started seeing this this morning, and the problem looks like it
>> might actually be within XO’s network in Chicago but I’m not 100%
>> certain. I have no info from either carrier as of yet.
>>
>>
>>
>> Hop #6 is 216.156.0.185
>>
>> Hop #9 is 12.122.133.34
>>
>> Hop #10 in the lower mtr output is 12.122.2.206
>>
>>
>>
>> Packets               Pings
>>
>> Host                                                Loss%  Last   Avg  Best
>> Wrst StDev
>>
>> 5. ae1d0.mcr1.southfield-mi.us.xo.net                0.0%   8.0  10.8   6.6
>> 48.9   7.0
>>
>> 6. vb1730.rar3.chicago-il.us.xo.net                  0.0%   9.8  10.0   6.6
>> 14.7   1.4
>>
>> 7. 207.88.14.194.ptr.us.xo.net                      46.4%   7.9   8.4   6.5
>> 44.9   3.7
>>
>> 8. 206.111.2.90.ptr.us.xo.net                       12.9%  39.5  41.8  38.4
>> 60.6   1.9
>>
>> 9. cr1.cgcil.ip.att.net                             15.5%  49.7  49.6  46.3
>> 52.8   1.5
>>
>> 10. 12.122.99.26                                     17.8%  49.9  48.4  45.0
>> 51.5   1.4
>>
>>
>>
>> And
>>
>>
>>
>> 5. ae1d0.mcr1.southfield-mi.us.xo.net                    0.0%   7.7   9.6
>> 6.5  80.1   7.3
>>
>> 6. vb1730.rar3.chicago-il.us.xo.net                      0.0%  10.4   9.0
>> 6.6  11.6   1.3
>>
>> 7. 207.88.14.194.ptr.us.xo.net                          44.4%   6.6   7.5
>> 6.5  32.8   2.9
>>
>> 8. 206.111.2.90.ptr.us.xo.net                           12.1%  41.5  41.4
>> 38.1  64.2   2.1
>>
>> 9. cr1.cgcil.ip.att.net                                 14.2%  65.4  66.2
>> 63.8  76.0   1.5
>>
>> 10. cr1.cl2oh.ip.att.net                                 15.2%  67.5  67.0
>> 64.0 123.6   4.7
>>
>> 11. cr2.nsvtn.ip.att.net                                 15.2%  69.3  68.6
>> 64.3 163.8   9.3
>>
>>
>>
>>    -Bill




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