[RFC] script for binding ARP <-> IP pairs

[Doug Barton]

Xin LI wrote:
> Doug Barton wrote:
>> Xin LI wrote:
>>> Any objections for the attached patch?  I'll commit this version if
>>> everybody is happy with it and then see if re@ would approve it for
>>> 8.0-RELEASE.
>> Sorry if I wasn't clear before, but all of the rc.conf variables
>> should be prepended with static_arp_ (as opposed to just arp_). So
>> rather than arp_args you'd want static_arp_args. I realize you're not
>> using set_rcvar() but it's still a good idea to do that for
>> consistency's sake, as well as to make it easier for admins to sort
>> stuff, etc. Please make sure you change that in the man page as well.
> 
> I see.  I have corrected arp_ prefixes to static_arp_ prefixes.  Note
> that "arp_args" are not changed because they are intermediate variables
> that are intended as "arp(1) arguments".  I have marked these as local.

That look great, commit it when you are ready. :)

>> Other than that it looks fine to me.
> 
>> Silly question that I'm sorry just occurred to me right now, have you
>> tested this with IPv6? :)
> 
> I think IPv6 would need to use "ndp" instead (cross referenced from
> arp(8)) but am not sure.  Because the script rely on space or tab as
> separator I think it would just work after a simple s/arp/ndp/g for ndp
> but I don't have a local production IPv6 network for the test...

Sorry, I had intended that as a joke since in general we're trying to
achieve parity in IPv6 for the features in IPv4. Looking back it's not
even that funny to me anymore ....   :)


Doug

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