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North American Network Operators Group

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Re: Issue AS and Subnet Announcment on BGP - Conflict with a major TelCO - 30h+ of route flapping unresolved

  • From: Charles Gucker
  • Date: Wed Nov 16 00:07:13 2005

On Tue, Nov 15, 2005 at 11:46:35PM -0500, Alain Hebert wrote:
> 
>    Hi,
> 
>    I know somebody that is experiencing route flapping for more than a 
> day now and we found out 10h ago that it was due to the announcement of 
> his subnet by a major TelCO.
> 
>    Once that telco contacted, we got the run around for 10h now and no 
> willingness from their part to fix the problem immediately.

	Well, a 'normal' solution (short term) would be to announce more 
specific announcements of your address space, then contact said Telco's
upstream providers to have your prefix filtered from their connection(s).
A nicely worded (polite) email/fax would go a long way with the NOC.

	This is of course, if they are not returning your calls, or as
you say giving you the run around.   I would also try to find a sympathetic
body at the telco to help to properly resolve the issue, so you can go back
to announcing only your aggregate netblock.

>    We're wondering what is the proper process to make the TelCo correct 
> their behavior and cooperate?
>    (ARIN Conflict Resolution Process, etc ... We found nothing about 
> this situation)

	ARIN will not step in here.  They allocate resources, they do not
police or enforce those resources.

charles




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