This read-create Unsigned32 (1-8, default 1) specifies the minimum number of Interface Group Handler members that must be active before the group handler itself can be brought operationally up. Admins tune this threshold to require a minimum level of link redundancy, such as requiring at least 2 active member links, before the group is considered usable. For example, setting this to 2 on a group with 4 member links means the group only comes up once at least two of those links reach the 'up' protocol state.