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Re: [PATCH] IPv6: Fix Prefix Length of Link-local Addresses

To: Yuji Sekiya <sekiya@xxxxxxxxxxxxxx>
Subject: Re: [PATCH] IPv6: Fix Prefix Length of Link-local Addresses
From: Derek Fawcus <dfawcus@xxxxxxxxx>
Date: Thu, 10 Oct 2002 00:51:49 +0100
Cc: "David S. Miller" <davem@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx, usagi@xxxxxxxxxxxxxx
In-reply-to: <uu1jv9o3j.wl@xxxxxxxxxxxxxx>; from sekiya@xxxxxxxxxxxxxx on Thu, Oct 10, 2002 at 08:41:52AM +0900
References: <20021009234421.J29133@xxxxxxxxxxxxxxxxxxx> <20021009.161414.63434223.davem@xxxxxxxxxx> <20021010002902.A3803@xxxxxxxxxxxxxxxxxxx> <20021009.162438.82081593.davem@xxxxxxxxxx> <uu1jv9o3j.wl@xxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Thu, Oct 10, 2002 at 08:41:52AM +0900, Yuji Sekiya wrote:
> 
> The reason we change the prefix length  from /10 to /64 is
> following spec and adapting other imprementations.

I said I wouldn't comment futher on the spec issue.

I know of at least one other implementation that allows any set of bits
within the link local range to be specified.  (Two if you include the
current/previous Linux behaviour :-)

Changing to restrict the allowed link local addresses doesn't _enhance_
interoperability.  Leaving it as it is/was doesn't harm anything.

DF


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