This feature is a Standard Image (SI) to Enhanced Image (EI) Upgrade License for the DGS-3630-28PC Managed Switch. Upgrading a switch with this software adds additional features

OSPFv2
OSPFv3
BGPv4/v6
VRF-Lite
IGMP/MLD
PIM-DM/SM/SSMv4
PIM-SMv6/DVMRPv3