The MPLS Feature Pack is supported on the below platforms:
Summit X460, X480, X670, and X770
series switches.
E4G-200 and E4G-400 cell site routers.
BlackDiamond 8900 xl-series modules.
BlackDiamond 8900 xm-series
modules.
BlackDiamond X8 seri...
EXOS 16.x is supported on the X670, but you'll need a support agreement in order to download it. If you have a support agreement and still don't see it, you may want to call GTAC.
What about using an ACL to match the particular traffic and adding a VLAN ID based on that, similar to the process in this article:
https://gtacknowledge.extremenetworks.com/articles/Solution/move-Ether-Wake-from-one-VLAN-to-another
