Re: Routing Loops

[Marshall Eubanks <tme () 21rst-century com>]

"Foster, Kristopher" wrote:

Well, that might be what they are TRYING to do, but read it carefully :

6259
6295
6259

Is a loop in my book.

Marshall

> They're just prepending the AS path to influence their upstreams..
>
> Kris,
>
> -----Original Message-----
> From: Marshall Eubanks [mailto:tme () 21rst-century com]
> Sent: April 20, 2001 2:23 PM
> To: Nanog mailing list; hostmaster () fnsi net
> Subject: Routing Loops
>
> Hello;
>
> I suddenly see a whole bunch of routing loops for paths going through AS
> 6259
>
> Unicast Autonomous System Routing Loop Detection
>
>  Date of BGP Dump  Fri Apr 20 13:57:36 EDT 2001
>
>    1 ROUTING LOOPS Detected for ASN 11548 Prefix =  63.69.155.0/24    : PATH
> = :  1239  3549  6259  6295  6259 11548
>    1 ROUTING LOOPS Detected for ASN 11548 Prefix =  63.81.238.0/24    : PATH
> = :  1239  3549  6259  6295  6259 11548
>    1 ROUTING LOOPS Detected for ASN 13944 Prefix =  64.241.89.0/24    : PATH
> = :  1239  3549  6259  6295  6259 13944
>    1 ROUTING LOOPS Detected for ASN 13944 Prefix =                    : PATH
> = :  1239  3549  6259  6295  6259 13944
>    1 ROUTING LOOPS Detected for ASN 14813 Prefix =  66.35.68.0/22     : PATH
> = :  1239  3549  6259  6295  6259 13944 14813
>    1 ROUTING LOOPS Detected for ASN 17266 Prefix =  66.35.72.0/23     : PATH
> = :  1239  3549  6259  6295  6259 13944 17266
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  138.46.0.0        : PATH
> = :   701  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =                    : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  2015 Prefix =  139.171.0.0/19    : PATH
> = :  1239  3549  6259  6295  6259  2015
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  143.61.153.0/24   : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  143.61.233.0/24   : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  192.84.218.0      : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  198.181.242.0     : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  204.107.238.0     : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  204.238.145.0     : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  206.183.224.0/19  : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  209.41.192.0/18   : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  8142 Prefix =                    : PATH
> = :  1239  3549  6259  6295  6259  8142
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  209.115.0.0/17    : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =  216.28.0.0/15     : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN 14470 Prefix =  216.28.223.0      : PATH
> = :  1239  3549  6259  6295  6259 14470
>    1 ROUTING LOOPS Detected for ASN 11325 Prefix =  216.29.50.0       : PATH
> = :  1239  3549  6259  6295  6259 11325
>    1 ROUTING LOOPS Detected for ASN 11303 Prefix =  216.52.158.0      : PATH
> = :  1239 11853 11303 11301 11303
>    1 ROUTING LOOPS Detected for ASN 11303 Prefix =                    : PATH
> = :   701 11853 11303 11301 11303
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =                    : PATH
> = :  1239  3549  6259  6295  6259
>    1 ROUTING LOOPS Detected for ASN  6259 Prefix =                    : PATH
> = :  1239  3549  6259  6295  6259
>
> Anyone know a NOC contact for
> Fiber Network Solutions, Inc. (ASN-FIBERNET) ?
>
>                                  Regards
>                                  Marshall Eubanks



--
                                 Regards
                                 Marshall Eubanks


T.M. Eubanks
Multicast Technologies, Inc
10301 Democracy Lane, Suite 410
Fairfax, Virginia 22030
Phone : 703-293-9624
Fax     : 703-293-9609
e-mail : tme () multicasttech com
http://www.on-the-i.com

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