Re: more specific routes in today reality
- Date: Tue, 9 Oct 2001 13:44:12 +0200
Hi,
On Tue, Oct 09, 2001 at 01:22:43PM +0200, Sascha E. Pollok wrote:
> >> "- If PI is requested for multi-homing please explain why the second
> >> provider cannot route PA space as a more specific route (with the
> >> PA block holder adding a more specific route too)."
> >
> >This doesn't specify who is originating the BGP prefix. Both providers
> >have to *route* it, of course.
>
> We got this reply to a PI-space request for a customer that does
> not have his own ASN therefore ISPs would need to originate the
> route. Don't you think that this implies originating the prefix
> from two different ASes? (would appear when doing "sh ip bgp incons").
Yes. But this would not be any different from getting a PI space and
announcing it inconsistently, that is, originating it from both ISPs.
Which is not a good practice in any case - I agree on that.
Gert Doering
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