Hi all,

I've superficially looked through intarea-arp-yang-model-00 and one thing stood 
out to me:

+--rw proxy-arp
.  +--rw mode?   enumeration

The proxy-arp mode being an enum makes it really hard/annoying if some platform 
has additional parameters that are applicable only to some of the modes, since 
you can't add additional leaves under an enum.  I would suggest to instead make 
it a choice of containers instead, i.e.

container proxy-arp {
  choice mode {
    default disabled;
    case disabled {
      leaf disabled { type empty; }
    }
    case remote-only {
      leaf remote-only { type empty; }
      /* room to augment things here */
    }
    case all {
      leaf all { type empty; }
      /* room to augment things here */
    }
  }
}

(I'm not sure this is 100% correct YANG, please take it only as an illustration 
of what I mean.)  The point is that with this representation, extra leaves can 
be added on the cases.  (AIUI it's also easier to add extra cases if needed.)

Cheers,


-equi

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