nanog mailing list archives

Re: subnet prefix length > 64 breaks IPv6?


From: Valdis.Kletnieks () vt edu
Date: Tue, 27 Dec 2011 18:35:42 -0500

On Wed, 28 Dec 2011 04:58:19 +0530, Glen Kent said:

I had assumed that nodes derive their link local address from the
Route Advertisements. They derive their least significant 64 bytes
from their MACs and the most significant 64 from the prefix announced
in the RAs.

No, on Ethernet-ish networks the link-local is derived from an 'fe80::' and the MAC.

Attachment: _bin
Description:


Current thread: