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hi
Could anybody tell me why we need a 64bit fixed length
interface id? and do we really need a network that contains so many
hosts?
If router advertise a prefix which is longer than 64bit,then
the possibility of address duplication is increasing.for example ,it will
overwrite 56 bits of the 64bit interface id when router advertise a 120bit
length prefix.so only 8 bits is left for interface id.how can we deal with
this?
Thanks
liqunhui
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