Re: [netconf] Pullback tcp-client-server also?

["Joe Clarke (jclarke)" <[e-mail]>]

Thanks Med and Joe.  I had a sidebar with Rob and Mahesh, and we’re going to do this update in Auth48.

Let us (the WG) agree on the exact change.
  1) change ‘leaf’ to ‘leaf-list’
  2) tweak the ‘description’ to say that it’s a list

Anything else?  Do we need to disallow shadows?  (e.g., two wildcards)

I think a leaf-list and description update would be sufficient.  You could have two wildcards (one for v4 and one for v6).  That’s my first example below.

Joe

K.


On Mar 20, 2024, at 9:02 AM, Joe Clarke (jclarke) <[e-mail]> wrote:

I agree with Med.  Your description is an either/or, but one server might do something like:

tcp46      0      0 *.9100                 *.*                    LISTEN • Listen on all v4 and v6 addresses

Or:

tcp4       0      0 127.0.0.1.25           *.*                    LISTEN • Listen on just v4 on an explicit address

Or:

tcp6       0      0 ::1.25   *.*                              LISTEN • Listen on just v6 on an explicit address

In the first case, I’d think you’d at least need a leaf-list to hold both 0.0.0.0 and ::.  In the second two cases, you’d want this service to have a leaf list for 127.0.0.1 and ::1.

Joe

From: netconf <[e-mail]> on behalf of [e-mail] <[e-mail]>
Date: Tuesday, March 19, 2024 at 18:23
To: Kent Watsen <[e-mail]>, Rob Wilton (rwilton) <[e-mail]>
Cc: [e-mail] <[e-mail]>
Subject: Re: [netconf] Pullback tcp-client-server also?
Hi Kent, all,

When I initially raised the issue for the UDP grouping, I had in mind any, IPv4/IPv6 explicit address bindings, and eventually listening on distinct port numbers per AF. Given this is a reusable model, these cases should be all covered.

Cheers,
Med

De : netconf <[e-mail]> De la part de Kent Watsen
Envoyé : mercredi 20 mars 2024 06:54
À : Rob Wilton <[e-mail]>
Cc : [e-mail]
Objet : [netconf] Pullback tcp-client-server also?

Rob, Netconf,

Regarding support for “dual-stack”, do we need to convert from a “leaf” to a “leaf-list”?

Please note that the existing text says that a wildcard card may be used to bind to all addresses:


leaf local-address {

      type inet:ip-address;

      mandatory true;

      description

        "The local IP address to listen on for incoming

         TCP client connections.  INADDR_ANY (0.0.0.0) or

         INADDR6_ANY (0:0:0:0:0:0:0:0 a.k.a. ::) MUST be

         used when the server is to listen on all IPv4 or

         IPv6 address.";

    }

Good enough?

Kent


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