[opendtv] Re: Twang's Tuesday Tribune (Mark's Monday Memo)
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Wed, 5 May 2004 10:40:06 -0400
Craig Birkmaier wrote:
> Doesn't IPV6 deal with these shortcomings?
IPv4 *and* IPv6 have to deal with the possibility of
two identical MAC addresses existing in the world. But
it's not a problem unless the two identical addresses
happen to coexist in the *same* IP subnet. When this
happens, ARP can't resolve the IP address to a MAC
address very well, if two devices respond to the same
query.
DECNET used to assign its own MAC addresses to every
device in the subnet, so this was never a problem.
Bert
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