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Date:      Tue, 07 Mar 2000 22:06:23 +0900
From:      Yoshinobu Inoue <shin@nd.net.fujitsu.co.jp>
To:        jose@we.lc.ehu.es
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: IPv6: can a link-site (or global) address be configured inrc.conf?
Message-ID:  <20000307220623I.shin@nd.net.fujitsu.co.jp>
In-Reply-To: <38C4F649.501C98CA@we.lc.ehu.es>
References:  <38C3C9A6.28E3A38@we.lc.ehu.es> <20000307102149S.shin@nd.net.fujitsu.co.jp> <38C4F649.501C98CA@we.lc.ehu.es>

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> > (By the way, this is local addr here, and please not use
> > exactly same prefix at another place. :-)
> 
> Yes, I am using site-local addresses like "fec0::9ee3:6b4", where I
> am coding the IPv4 address in the lower 32 bits, and I am using
> a prefixlen=120.

I think there have been not much experiences in using non 64
prefixlen for IPv6 on LAN, so there might be some problem
hidden behind the usage, or maybe not.

> Just wondering: is the "alias" necessary? I can add a site-local IPv6
> address to the same interface without the "alias" ifconfig keyword.

Yes, alias is not necessary for IPv6.

> If this
> is valid, then something as
> ifconfig_fxp0="inet 158.227.6.180 netmask 255.255.255.0 inet6 fec0::9ee3:6b4 prefixlen 120"
> should be OK.

But above config does not seems work here.

I think 

 ifconfig_ifname_aliasnum

is just necessary for configuring multiple addrs for one
interface purpose.

Cheers,
Yoshinobu Inoue


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