ICP DAS USA MSM-6226 - Manual (Page 158)

UC, MC (Unknown Unicast, Multicast Storm Control):
Enable the function of bandwidth storm control for Unknown
Unicast and multicast Storm packets in transmission.
BC, UC, MC (Broadcast, Unknown Unicast, Multicast Storm Control):
Enable the function of bandwidth storm control for all packets in
transmission.
Rate :
Set up the limit of bandwidth for storm type you choose. Valid value of
the storm rate ranges:
FE Ports: 64 - 102400 (Kbps)
GE Ports: 1024 - 1024000 (Kbps).
And only integer is acceptable. Default is 102400.