about CAM table overflow attack?

["Monty Ree" <chulmin2 () hotmail com>]

Hello, all.

I have read some documents about CAM table overflow(or mac flooding, switch 
jam) attack.
I have some questions about this.

If some attacker executes macof for sometime, so CAM tables would be 
overflowed.

1. then attacker can see other traffic only which in a same VLAN? 

2. or attacker can see all traffic(over vlan) which switch services, like 
dummy hub?


Thanks in advance.

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