25 Feb
2009
25 Feb
'09
4:58 a.m.
Not every bit in results in just one bit out. Broadcast, multicast, flooding for unknown MACs (or switching failures), ...
They were talking about a simple scenario where a bit that enters a port will leave a port. With 24 gigabit ports, for all intents and purposes, you will only ever have 24 gigabits at the most traversing the backplane.