Simple IPv6 question [Was: Re: IPv6 site local EUI-64 adresses and jails]

Michael W. Oliver michael at gargantuan.com
Mon Aug 15 19:01:57 GMT 2005


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

Check out....

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

``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.''

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