Re: MBone

[Joe Touch <touch at ISI.EDU>]

Joe Touch wrote:
> Gary E. Miller wrote:
...
> > Barring that, please name ONE switch, or cite ONE credible reference
> > source, where arpspoofing is prevented at the switch by any means short
> > of harcoding the MACs.
>
> Practical != economical. Further, there are MACs which are hardcoded
> (i.e. to prevent overwrite of MAC addresses).

PS - as I also raised on private email earlier, some ISPs definitely
hardcode which MAC can attach to a port (i.e., they lock on the first
one that gets there, and prevent subsequent ones until there's an
override).

Specific case: Santa Barbara, Cox ISP.