Re: [YA] Fwd: Class B Purchase

[Randy Bush <randy () psg com>]

> > second, if they (AS5662) were connected to MCI/CW rather than
> > Sprint, they would be unreachable with this announcement, other
> > than the fact that ANS would be announcing the aggregate, and following
> > that path, rather than having the actual as-path be traversed.
> Uhm but an AS-path is a trail of bread-crumbs to prevent an announcement
> loop, not a proper predictor of the forwarding-path towards the origin.

but, as jared was talking about filtering of routes, forwarding path is
quite irrelevant.

randy