[j-nsp] lsp required for vpls?

[Harry Reynolds]

Ldp can both signal vpls (ldp based vpls control plane) and establish lsps. You either single vpls with ldp or bgp, and then transport via a lsp between pes. This transport lsp can be rsvp or ldp signaled.

Regards

 

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Simon Chen
Sent: Thursday, August 06, 2009 9:35 AM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] lsp required for vpls?

Hi all,

I read in the VPN configuration guide that LSPs between PEs are required for VPLS. However, I am able to establish a VPLS setup using LDP signalling, but without MPLS-LSP between PEs.

Does anyone know why? My guess is that LSP is only required if you're going for the BGP signalling, but not required if you're doing LDP.
Can anyone clarify this?

Thanks.
-Simon
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