Config cisco switches against arpspoofing

[Vs Metal <vserpoul () isep fr>]

I wanna know if there is a definite LAYER 2 ( switch )
configuration to disable this attack ( root@linux  # 
arpspoof -t... ). I heard about private VLANs, but this 
solution doesn't really suit customers'demand. Does anyone 
know another way to disable it ?

             thx a lot

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