Re: Universal/Local Bit

heheheheh.... There is no need. :)

It's an academic one! If you modify your MAC you're supposed to change
that. IMHO, if you can't figure out there was something modified in
order to go from 48 bits to 64 bits, you need therapy. But it's part
of the spec. Go figure.

*Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,

JNCIE-M #153, JNCIS-ER, CISSP, et al.

CCSI #21903, JNCI-M, JNCI-ER

swm_at_emanon.com

Knowledge is power.

Power corrupts.

Study hard and be Eeeeviiiil......

Anantha Subramanian Natarajan wrote:
> Hi All,
>
> I am trying to understand the need for inverting the U/L bit(7th MSB bit)
> to get the modfied EUI-64 address for IPV6.My understanding is,FFFE is
> inserted in middle to increase the size from 48 bit mac address to 64 so
> that we could be able to accomdate ipv6 /64 host spacing and couldn't
> understand why we invert U/L bit.Thanks for the assistance.
>
> Regards
> Anantha Subramanian Natarajan
>
>
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Received on Tue Jun 23 2009 - 08:48:39 ART