Disaster recovery using as-prepend?

Christopher L. Morrow christopher.morrow at verizonbusiness.com
Sat Feb 18 03:50:20 UTC 2006


On Fri, 17 Feb 2006, Warren Kumari wrote:

> On Feb 17, 2006, at 1:25 PM, Christopher L. Morrow wrote:
>
> > I might be crazy, but couldn't you just prepend the route enough to
> > effectively poison it at ingress to 'backup-isp' ? so they kept
> > chosing
> > the remote path and never really accept the route from local until the
> > remote path is gone?
> >
>
> Not really - horrendous ASCII art below:
>
>                            Customer
>                          /                  \
>                        /                     \
>                   ISP_A ---------ISP_B
>                      \                      /
>                      \                    /
>                    DC1         DC2
>

see, I knew I was crazy :( where is that halabi book when I needed it. Did
the original poster ever say if he/she was able to accept
incidental traffic to the backup DC ?



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