Date: Tue, 13 Dec 2011 18:25:43 -0800 From: Doug Barton <dougb@FreeBSD.org> To: Hiroki Sato <hrs@FreeBSD.org> Cc: doconnor@gsoft.com.au, mrossi@swin.edu.au, freebsd-net@FreeBSD.org Subject: Re: FreeBSD 8 as an IPv6 router Message-ID: <4EE80927.1060502@FreeBSD.org> In-Reply-To: <20111214.094151.1901872428047005963.hrs@allbsd.org> References: <58FFF22D-6578-447D-AAC0-9673057DAD84@gsoft.com.au> <yge39co5rk4.wl%ume@mahoroba.org> <4EE7CDBE.1090605@swin.edu.au> <20111214.094151.1901872428047005963.hrs@allbsd.org>
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On 12/13/2011 16:41, Hiroki Sato wrote: > I do not think it is a good idea that the rtadvd daemon automatically > splits prefixes shorter than 64 to ones with just 64. "Which prefix > should be advertised" is one of things which a sysadmin must specify > explicitly when it receives prefixes shorter than 64 via IA-PD or > something, and it should match the actual subnet structure. A simple > way to do so is to assign an address onto eth0, in his example, with > desired /64 subnet prefix from the delegated (shorter) prefix, and > run rtadvd with no configuration file. This is the expected > scenario. A /60 address assigned on eth0 does not work as a default > router address for multiple /64 subnets anyway... +1 There are some things that can be done automatically, this isn't one of them. The "assign an address" trick being a reasonable compromise. Doug -- [^L] Breadth of IT experience, and depth of knowledge in the DNS. Yours for the right price. :) http://SupersetSolutions.com/
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