RE: The state of IPv6 multihoming development

["Craig A. Huegen" <chuegen@cisco.com>]

On Wed, 23 Oct 2002, Randy Bush wrote:

> > I've still yet to see an idea here that provided complete multihoming
> > (i.e. ones that won't get filtered to uselessness)
>
> as i am not aware of anyone filtering v6 announcements at the moment
> (well, other than maybe at /48 or something), perhaps this wg should
> work on solutions to the routing problems presented and assume that,
> if reasonable aggregation is one of those goals and is met, that the
> isps will act rationally.

We had been announcing a /40 for a short period of time.  A month or two
ago, we experienced unreachability to www.kame.net and found that filters
were put in place to filter anything longer than /35 in one of the
Japanese ISP's, such that 2001:420::/40 was no longer accepted.

/cah

---
Craig A. Huegen, Chief Network Architect      C i s c o  S y s t e m s
IT Transport, Network Technology & Design           ||        ||
Cisco Systems, Inc., 400 East Tasman Drive          ||        ||
San Jose, CA  95134, (408) 526-8104                ||||      ||||
email: chuegen@cisco.com       CCIE #2100      ..:||||||:..:||||||:..