FreeBSD 8 as an IPv6 router
Doug Barton
dougb at FreeBSD.org
Wed Dec 14 02:25:43 UTC 2011
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
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