[c-nsp] MPLS - collapsed P PE

[Phil Mayers]

harbor235 wrote:
> Is anyone out there utilizing a collapsed P/PE in thier MPLS networks?

Yes. Every router in our network is a PE, though we an run enterprise 
rather than SP-size network (it is more like SP than enterprise in 
architecture though).

> Do you regret deploying the architecture and what are the problem areas if
> any?

No regrets, no problems. We've a relatively small routing table and 
almost all of the CE adjacencies are "connected" subnets rather than 
dynamic routing neighbours. In that situation, separate P buys you 
nothing, and the rest of our network architecture doesn't need it.



> 
> I assume it's a dollar issue and as long as you have minimal PE to CE
> aggregation
> this is the way to go. However, if you need to scale this solution then the
> price per CE port
> can get costly on the single platform. Adding PE is cheaper than adding a P
> !!
> Can you migrate to a seperate P and PE easily ?
> 
> 
> thanx
> 
> Mike
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