On 08-Apr-24 04:59, Jürgen Schönwälder wrote:

On 06.04.24 22:57, Brian E Carpenter wrote:
On 06-Apr-24 19:52, Jürgen Schönwälder wrote:

I believe numeric zone identifiers were always supported so they
always work as a fallback.

Correct, but do all network elements actually support RFC4007? Maybe
there are devices where interfaces do not have a simple sequential
numbering.


There is nothing that says sequential. And the native identifier for
an interface used to be a number (and text about using the number as
the canonical format is not new either).

That's all true, but I could imagine a device which by design requires
(say) two numbers to identify an interface (e.g. interface 3 in row 2).
That might simply be out of scope for your model, as it is for RFC 4007.

   Brian


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