Subject: Re: IPv6 local link address mystery?
To: None <>
From: Bill Sommerfeld <>
List: current-users
Date: 08/02/1999 08:36:10
> Is it something special with the KAME stack?

link-local addresses are specific ton a particular interface; on a
multi-homed host, you need something to distinguish between

KAME embeds an interface index into link-local addresses which gets
stripped out before the packet hits the wire.

the fe80:1:: means "link local on i/f 1"
fe80:2:: would be "link local on i/f 2".

so, link-local addresses for interface N appears in the host looking like:


but on the wire as:


I got the impression from earlier discussions on the topic that this
is one of those "seemed like a good idea at the time..." hacks.

					- Bill