Is HSRP supported for MPLS VPNs on 7600 equipments?

There are different versions for this card? I find 2 different specifications for optical power for this card: one that respect I-16 (2006 specification) and the second that can be compatible with both I-16 and S-16.1 (1992-2003 specification) becaus...

HiI have an Metro Ethernet network that have implemented VTP without VTP prunning. I want to configure prunning in my network. The question is: can have VTP prunning any negative impact of my network?