Re: BGP and aggregation

[Ralph Doncaster <ralph () istop com>]

> On Sat, May 11, 2002 at 05:34:39PM -0400, Ralph Doncaster wrote:
[...]
> > goes down I want each city to announce the local /21.  Is this
> > possible? (using either a Cisco router or Zebra)
>
> If I was paying for transit, I would want THEM to do the work of 
> delivering it to the right city, without wasting the bandwidth of my 
> circuit (unless they're really close and that circuit is really cheap).

It's 2 different providers, and one is much cheaper than the
other.  Therefore I want all traffic to come in through city A, unless my
circuit to city B is down.

-Ralph