[c-nsp] Testing New BGP Provider

[Joe Maimon]

Have them setup an additional multihop ebgp setup that you can funnel to 
a disjoint route server so that you can examine what exactly is in their 
full table.

Thats a good way to find the rfc1918 prefixes and customer routes and 
more specific peer routes that really dont belong there.

Or even just use the multihop+connected session approach full time.

A provider willing to work with you is a cut above the rest, so now is a 
good time to find out exactly how accommodating you can get them to be.

Push out only a /24 test prefix, have some test nodes running on that, 
or even some "sacrificial lambs". Check and see that you can properly 
withdraw the route, that it shows up (and disappears) as it is supposed to.

Use some policy to prefer some of what you are getting from them and see 
how that goes.

Then normalize.

Joe

Mitch Stoner wrote:
> Whats the best way to go about testing a new service provider connection
> with BGP on a production router? Should I put the new connection in a VRF
> to receive the global routing table and make sure things work as expected?
> Or do I simply filter all routes initially and slowly permit a few
> individual routes to be sure things look correct? Router is an ASR9000. What
> do others typically do?
>
> Thanks!
>
>
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