On Thu, May 17, 2007 at 11:48:43AM +0000, YAMAMOTO Takashi wrote:
> 
> Module Name:	src
> Committed By:	yamt
> Date:		Thu May 17 11:48:43 UTC 2007
> 
> Modified Files:
> 	src/sys/netinet6: ip6_input.c ip6_var.h route6.c
> 
> Log Message:
> remove net.inet6.ip6.rht0 sysctl.
> it's too dangerous compared to its benefit.
> 
> strongly requested by itojun@.  ok'ed by core@.

I disagree with this. What danger is there that is not enough taken care
of by having the RH0 processing controllable by sysctl? (n. b. even
disabled by default!)

Also, I don't recall RH0 support being optional.

Pavel