Ubiquity<->Mzima routing loop

Guy_Shields at Stream.Com Guy_Shields at Stream.Com
Fri Jul 18 18:07:16 CDT 2008


This is not a routing loop. It is simply a route that was not tied down via a static route to NULL with a weight of 254. 


----- Original Message -----
From: "Paul Wall" [pauldotwall at gmail.com]
Sent: 07/18/2008 06:57 PM AST
To: "William Pitcock" <nenolod at systeminplace.net>
Cc: nanog at merit.edu
Subject: Re: Ubiquity<->Mzima routing loop



I'd like to rip on Mzima as much as the next guy, but I'm not sure how
they could "fix" this routing loop, shy of some creative ACLs.

You should try contacting Ubiquity, as this traceroute looks like an
issue on their (Mzima's customer's) side.

Paul Wall

On Fri, Jul 18, 2008 at 3:27 PM, William Pitcock
<nenolod at systeminplace.net> wrote:
> Hi,
>
> Can someone at Ubiquity or Mzima fix this routing loop:
>
> traceroute to hg.atheme.org (72.37.225.164), 30 hops max, 40 byte
> packets
>  1  64.62.134.193  12.402 ms  12.370 ms  12.363 ms
>  2  ge5-0.cr01.ord01.mzima.net (206.223.119.62)  16.003 ms  15.985 ms
> 15.964 ms
>  3  ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  14.139 ms  14.858
> ms  14.838 ms
>  4  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  15.875 ms  15.854 ms
> 16.497 ms
>  5  ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  14.747 ms  14.763
> ms  14.745 ms
>  6  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  16.405 ms  8.773 ms
> 8.758 ms
>  7  ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  9.831 ms * *
>  8  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  4.417 ms  4.403 ms
> 4.381 ms
>  9  * * *
> 10  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  4.293 ms  4.933 ms
> 4.914 ms
> 11  * * *
> 12  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  14.527 ms  14.526 ms
> 14.438 ms
> 13  * * *
> 14  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  14.352 ms  14.335 ms
> 3.770 ms
> 15  * * *
> 16  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  3.684 ms  13.897 ms
> 13.897 ms
> 17  * * *
> 18  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  8.599 ms  8.581 ms
> 8.668 ms
> 19  * * ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  8.246 ms
> 20  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  8.584 ms  8.565 ms
> 8.545 ms
> 21  * * ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  8.119 ms
> 22  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  8.456 ms  8.931 ms
> 8.913 ms
> 23  * ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  6.049 ms *
> 24  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  15.862 ms  15.754 ms
> 15.736 ms
> 25  ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  7.132 ms *  7.092
> ms
> 26  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  15.293 ms  15.998 ms
> 10.752 ms
> 27  ge0-ubiquity.cust.ord01.mzima.net (72.37.148.158)  5.353 ms  5.336
> ms *
> 28  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  3.800 ms  3.854 ms
> 3.823 ms
> 29  * * *
> 30  ge0-12.cr01.ord01.mzima.net (72.37.148.157)  3.228 ms  4.426 ms
> 13.019 ms
>
> Thanks!
>
> William
>
>
>





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