North American Network Operators Group
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Re: That pesky AS path corruption bug...

  • From: Vijay Gill
  • Date: Tue May 23 14:11:32 2000 
On Tue, 23 May 2000, Vadim Antonov wrote:

> This is not only practical, but, in fact, the only sane way to do things.
> Dropping BGP session causes withdrawal of hundreds or thousands of
> acceptable routes.  When the BGP session is reestablished, these routes
> will be acquired again, causing a wave of announcements.  When the
> invalid route shows up, the cycle is repeated.
> 
> What a perfect way to kill the Internet :)

This is what BGP dampening is for.  Dropping a few prefixes here and there
is a good way to make operational debugging of a network of any size,
hell.

With a NOTIFY and a drop, there is a definite positive feedback that
something is majorly wrong and allows people to open top level cases with
vendors.

/vijay