Using IPv6 with prefixes shorter than a /64 on a LAN
fweimer at bfk.de
Thu Feb 3 07:03:36 CST 2011
* Ray Soucy:
> Every time I see this question it' usually related to a fundamental
> misunderstanding of IPv6 and the attempt to apply v4 logic to v6.
True, you have to ignore more than a decade of IPv4 protocol
development and resort to things like pre-VLSM networking.
> That said. Any size prefix will likely work and is even permitted by
> the RFC.
Could you quote chapter and verse, please? RFC 4291 section 2.5.4
All Global Unicast addresses other than those that start with binary
000 have a 64-bit interface ID field (i.e., n + m = 64), formatted as
described in Section 2.5.1.
Florian Weimer <fweimer at bfk.de>
BFK edv-consulting GmbH http://www.bfk.de/
Kriegsstraße 100 tel: +49-721-96201-1
D-76133 Karlsruhe fax: +49-721-96201-99
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