rc.d/static_arp for v6: static_ndp

[Xin LI]

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On 2010/07/09 07:55, Frank Bartels wrote:
> Hi,
> 
> I've just noticed we have rc.d/static_arp for a while now, but the
> v6 counterpart is missing: I'd call it static_ndp.
> 
> So I took rc.d/static_arp and patched it. ndp does not know about
> -S (deleting old entry first), so I've just changed it to -s. Maybe
> someone is able to add -S to ndp, otherwise one should add -d line
> before -s.

Wouldn't -s replace existing entry?  Testing on link-local entry seems
that -s would just replace it...

> rc.conf works the same way:
> 
> static_ndp_pairs="gateway"
> static_ndp_gateway="2001:db8:120:9260::1 00:26:ff:ff:ff:ff"
> 
> --- /etc/rc.d/static_arp        2010-07-09 15:25:08.929932175 +0200
> +++ /usr/local/etc/rc.d/static_ndp      2010-07-09 16:39:20.396958047 +0200
> @@ -24,46 +24,46 @@
>  # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
>  # SUCH DAMAGE.
>  #
> -# Configure static ARP table
> +# Configure static NDP table
>  #
> -# $FreeBSD: src/etc/rc.d/static_arp,v 1.4.2.2.2.1 2010/06/14 02:09:06 kensmith Exp $
> +# $FreeBSD$
>  #
>  
> -# PROVIDE: static_arp
> +# PROVIDE: static_ndp
>  # REQUIRE: netif
>  # KEYWORD: nojail
>  
>  . /etc/rc.subr
>  
> -name="static_arp"
> -start_cmd="static_arp_start"
> -stop_cmd="static_arp_stop"
> +name="static_ndp"
> +start_cmd="static_ndp_start"
> +stop_cmd="static_ndp_stop"
> 
> 
> -static_arp_start()
> +static_ndp_start()
>  {
> -       local e arp_args
> +       local e ndp_args
>  
> -       if [ -n "${static_arp_pairs}" ]; then
> -               echo -n 'Binding static ARP pair(s):'
> -               for e in ${static_arp_pairs}; do
> +       if [ -n "${static_ndp_pairs}" ]; then
> +               echo -n 'Binding static NDP pair(s):'
> +               for e in ${static_ndp_pairs}; do
>                         echo -n " ${e}"
> -                       eval arp_args=\$static_arp_${e}
> -                       arp -S ${arp_args} >/dev/null 2>&1
> +                       eval ndp_args=\$static_ndp_${e}
> +                       ndp -s ${ndp_args} >/dev/null 2>&1
>                 done
>                 echo '.'
>         fi
>  }
>  
> -static_arp_stop()
> +static_ndp_stop()
>  {
> -       local e arp_args
> +       local e ndp_args
>  
> -       if [ -n "${static_arp_pairs}" ]; then
> -               echo -n 'Unbinding static ARP pair(s):'
> -               for e in ${static_arp_pairs}; do
> +       if [ -n "${static_ndp_pairs}" ]; then
> +               echo -n 'Unbinding static NDP pair(s):'
> +               for e in ${static_ndp_pairs}; do
>                         echo -n " ${e}"
> -                       eval arp_args=\$static_arp_${e}
> -                       arp -d ${arp_args%%[    ]*} > /dev/null 2>&1
> +                       eval ndp_args=\$static_ndp_${e}
> +                       ndp -d ${ndp_args%%[    ]*} > /dev/null 2>&1
>                 done
>                 echo '.'
>         fi
> 
> It seems this "hack" is needed for the native v6 connectity provided
> by Hetzner (German hosting provider).
> 
> Cheers,
> Knarf
> _______________________________________________
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> http://lists.freebsd.org/mailman/listinfo/freebsd-rc
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> 


- -- 
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!	       Live free or die
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