[c-nsp] Conditional BGP

[Stephen Kratzer]

On Tuesday 23 September 2008 08:37:56 Paul Stewart wrote:
> Hi folks..
>
>
>
> We have a couple of customers that are looking to purchase an Internet
> connection from us - this will be a BGP feed to each customer as they are
> multihomed today etc.
>
>
>
> Normally, we would just supply a full table and let them decide what to do
> with it.  In this scenario, they both wish to use us as a backup provider
> and wish to ONLY use our network if their primary provider (Cogent) is
> down.
>
>
>
> What is common practice for this scenario?  We would still prefer to just
> send a full table and put the control into their hands but I'm also
> concerned if they will have the technical expertise to accomplish this.. 
> On their side, what would be common practice?  I've been looking at
> conditional BGP advertisements using route-maps but don't believe that's
> the best solution..
>
>
>
> Thanks for your input.
>
>
>
> Paul

Forgot to mention that they'll still need to set local pref to always prefer 
the primary provider.

Stephen Kratzer
Network Engineer
CTI Networks, Inc.