Re: [j-nsp] MPLS PEs out in the last-mile

2013-08-30 Thread Per Granath
http://www.juniper.net/us/en/local/pdf/whitepapers/2000452-en.pdf

BGP LU
LDP DoD
...

-Original Message-
From: juniper-nsp [mailto:juniper-nsp-boun...@puck.nether.net] On Behalf Of 
Will Orton
Sent: Thursday, August 29, 2013 9:28 PM
To: juniper-nsp@puck.nether.net
Subject: [j-nsp] MPLS PEs out in the last-mile

I have found recently that we are pushing MPLE PE's closer and closer out 
towards some customers, which means sometimes across flaky RF and DSL last-mile 
type connections. Usually this is with small SRX's, to provide a 
managed-endpoint for L2VPN over nasty last-mile topology.

Is there some way to have a PE hanging out in the breeze without setting it up 
directly in my IGP? I don't really want last-mile IGP churn from hundreds of 
"micro-PEs" in my network.

Does it work to build the MPLS LSPs to endpoints learned over BGP instead of an 
IGP, since I need BGP to the local POP's RRs for L2VPN NLRI anyway?

I'm waiting on some junosphere credits to test this out but thought I'd ask 
what others are doing.


-Will
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Re: [j-nsp] MPLS PEs out in the last-mile

2013-08-30 Thread Eric Van Tol
> -Original Message-
> From: juniper-nsp [mailto:juniper-nsp-boun...@puck.nether.net] On Behalf Of
> Will Orton
> Sent: Thursday, August 29, 2013 2:28 PM
> To: juniper-nsp@puck.nether.net
> Subject: [j-nsp] MPLS PEs out in the last-mile
> 
> Is there some way to have a PE hanging out in the breeze without
> setting it up directly in my IGP? I don't really want last-mile IGP
> churn from hundreds of "micro-PEs" in my network.

Not sure what type of provider you work for, whether it be "this is what you 
get, deal with it" or "we'll do anything within reason to provide the service 
and win the business against someone larger", but one solution to this exact 
problem that we implemented was Carrier-of-Carriers VPN.  We basically build 
the customer their own L3VPN as though they are a VPN service provider, then 
create L2VPNs within that, either to a corresponding SRX at their other remote 
site, or to a "customer" logical system on an edge router.  

It may not be pretty and certainly may not be the best way to do this, but it 
works well, prevents the CPE from participating in our IGP, and so far has been 
stable.

-evt

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Re: [j-nsp] MPLS PEs out in the last-mile

2013-08-29 Thread Mark Tinka
On Thursday, August 29, 2013 08:27:42 PM Will Orton wrote:

> Does it work to build the MPLS LSPs to endpoints learned
> over BGP instead of an IGP, since I need BGP to the
> local POP's RRs for L2VPN NLRI anyway?

RFC 3107.

But I'm not sure whether the SRX's support this.

Mark.


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[j-nsp] MPLS PEs out in the last-mile

2013-08-29 Thread Will Orton
I have found recently that we are pushing MPLE PE's closer and closer
out towards some customers, which means sometimes across flaky RF and
DSL last-mile type connections. Usually this is with small SRX's, to
provide a managed-endpoint for L2VPN over nasty last-mile topology.

Is there some way to have a PE hanging out in the breeze without 
setting it up directly in my IGP? I don't really want last-mile IGP
churn from hundreds of "micro-PEs" in my network.

Does it work to build the MPLS LSPs to endpoints learned over BGP
instead of an IGP, since I need BGP to the local POP's RRs for L2VPN
NLRI anyway?

I'm waiting on some junosphere credits to test this out but thought
I'd ask what others are doing.


-Will
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