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Date:      Mon, 15 Aug 2005 15:01:49 -0400
From:      "Michael W. Oliver" <michael@gargantuan.com>
To:        Emanuel Strobl <Emanuel.strobl@gmx.net>
Cc:        freebsd-current@freebsd.org, freebsd-questions@freebsd.org
Subject:   Re: Simple IPv6 question [Was: Re: IPv6 site local EUI-64 adresses and jails]
Message-ID:  <20050815190149.GD2805@gargantuan.com>
In-Reply-To: <200508152051.17454@harrymail>
References:  <200508122053.29480@harrymail> <200508122124.23580@harrymail> <200508152051.17454@harrymail>

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On 2005-08-15T20:51:05+0200, Emanuel Strobl wrote:
> Dear inet6 guys,
>=20
> I don't know the kind of addresses FreeBSD uses for autoconfigured=20
> link-local addresses.
> For example: fe80::20e:cff:fe34:2bf8%em0
>=20
> What the hack is %em0 ??? Interestingly I can use this address, but ping6=
=20
> fe80::20e:cff:fe34:2bf8 doesn't work....
> The Handbook doesn't clarify this mysterious address. Is it FreeBSD=20
> specific?

Check out....

http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/ipv6.h=
tml

``Some of the userland tools support extended numeric IPv6 syntax, as
documented in draft-ietf-ipngwg-scopedaddr-format-00.txt. You can
specify outgoing link, by using name of the outgoing interface like
"fe80::1%ne0". This way you will be able to specify link-local scoped
address without much trouble.''

--=20
Mike Oliver
[see complete headers for contact information]

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