ipv6 related warnings

[Paul B. Mahol]

On 9/30/09, Hajimu UMEMOTO <ume at freebsd.org> wrote:
> Hi,
>
>>>>>> On Wed, 30 Sep 2009 01:31:17 +0200 (CEST)
>>>>>> Alexander Best <alexbestms at math.uni-muenster.de> said:
>
> alexbestms> my /etc should now be finally in sync with /usr/src/etc. however
> i'm still
> alexbestms> getting the warnings i desribed at the beginning of this thread:
>
> alexbestms> Additional TCP/IP options:
> alexbestms>  rfc1323 extensions=NO
> alexbestms>  no-ipv4-mapped-ipv6
> alexbestms> sysctl:
> alexbestms> unknown oid 'net.inet6.ip6.v6only'
>
> alexbestms> .
> alexbestms> wlan0: Ethernet address: 00:0f:b5:82:07:c8
> alexbestms> Starting Network: lo0 ath0.
> alexbestms> Starting devd.
> alexbestms> Configuring keyboard:
> alexbestms>  keymap
> alexbestms>  keyrate
> alexbestms>  keybell
> alexbestms> \^[[=0;0B
> alexbestms> .
> alexbestms> add net default: gateway 192.168.1.1
> alexbestms> route:
> alexbestms> bad keyword: inet6
>
> alexbestms> usage: route [-dnqtv] command [[modifiers] args]
> alexbestms> route:
> alexbestms> bad keyword: inet6
>
> alexbestms> usage: route [-dnqtv] command [[modifiers] args]
> alexbestms> route:
> alexbestms> bad keyword: inet6
>
> alexbestms> usage: route [-dnqtv] command [[modifiers] args]
> alexbestms> route:
> alexbestms> bad keyword: inet6
>
> alexbestms> usage: route [-dnqtv] command [[modifiers] args]
> alexbestms> Additional routing options:
> alexbestms>  ignore ICMP redirect=YES
> alexbestms>  log ICMP redirect=YES
>
> It seems that the recent rc scripts have a problem.  They do IPv6
> operation regardless of an availability of an IPv6 in the kernel, in
> some places.  Please try the following patch and let me the result.
> Sorry but I don't try it by my self.
>

It fixed warnings.

I noticed that tcp_keepalive and tcp_extensions
options do not work from rc.conf.
They only put sysctl values to zero.
log_in_vain and drop_synfin works correctly (even if they are configured via
sysctl.conf and not via rc.conf)

-- 
Paul