vendor-encapsulated-options and Scope

[David W. Hankins]

On Thu, Dec 11, 2008 at 01:29:48PM -0500, Reissom Beshir wrote:
> I believe you can define one class and use subclass statements in the 
> subnet scope. So your config would be as follows.

No, that doesn't work either.  The subclasses are just attached to
the class in a hash table, which is again searched globally.

But you can use a global class statement to select a vendor class,
and scope vendor class configuration at a subnet level.

ex;

option space foo hash size 3;
option foo.bar code 1 = unsigned integer 8;

class "foo" {
  match if option vendor-class-identifier = "foo";

  vendor-option-space foo;
}

subnet a.b.c.d netmask 255.255.255.0 {
  option foo.bar 42;
}

Of course this means you'd have to stop trying to use raw hex to
configure the vendor class options, which may be a barrier to
entry.

-- 
Ash bugud-gul durbatuluk agh burzum-ishi krimpatul.
Why settle for the lesser evil?	 https://secure.isc.org/store/t-shirt/
-- 
David W. Hankins	"If you don't do it right the first time,
Software Engineer		     you'll just have to do it again."
Internet Systems Consortium, Inc.		-- Jack T. Hankins
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