[c-nsp] ospf between me and customer - design ?

[Pete Templin]

matthew zeier wrote:

> For various reasons, it's been decided to run OSPF between me and a 
> customer network.  However, since their gear is outside my 
> administrative control, I want to make sure I only get the networks I 
> expect from them and they only get a default route from me.
> 
> Assuming they'll be in their own area, should I use area filter-lists or 
> create another ospf process and use distribute-in/out filters?   Or 
> should I make them a stub and use either a seperate ospf process or area 
> filter-lists ?

Mind if I/we ask why it's been decided to use OSPF instead of BGP?  If 
nothing else, I've read in multiple places that all OSPF nodes need to 
have an identical view of the topology, and filtering could really mess 
that up.

pt