[c-nsp] MPLS to Customer (Option B) / Multiple VRFs on CPEs

[Vitkovský Adam]

> Yeah I new the ASR9K could fo it but nothing smaller I know of. Yes our
> ME3x00's are happy to QoS to one label although I was thinking of MPLS
> down to CPE with AToM L2VPNs so a 2nd label is required; perhaps a method
> of copying the EXP from the bottom label to the top label so it can become
> subject to QoS would be useful. 

Well you could do L2TPv3 for L2 services between CEs. 
During the imposition all labels in the label stack gain the same label. 

adam