Hello Lyle,

An Interface Group on a DPN would also have have attributes for Peer Interface Groups residing on other DPNs.  So, the data plane configuration can already exhibit the ("cross-DPN") interconnection between Interface Groups even if the interfaces of the Group all reside on the same DPN.

Could you give an example of an Interface Group that perforce requires to reside on multiple DPNs?  Is it a case that could be handled better by defining a virtual DPN to host the Interface Group?  I understand the word "containment" but I'm not at all clear about what sort of Group requires the extra complication to expedite the stated purpose, which is DPN selection.  If there are other purposes, I would be inclined to define other structures for them that do not have the effect of complicating the Interface Group definition.

Regards,
Charlie P.


On 1/22/2018 5:11 AM, Bertz, Lyle T [CTO] wrote:

<adding mailing list>

No, I don’t think they should reside under a DPN.   Groups like these also span multiple DPNs which would make containment graphs far too confusing.

*From:*Charlie Perkins [mailto:charles.perk...@earthlink.net]
*Sent:* Sunday, January 21, 2018 10:51 PM
*To:* Bertz, Lyle T [CTO] <lyle.t.be...@sprint.com>
*Cc:* Marco Liebsch <marco.lieb...@neclab.eu>; Satoru Matsushima <satoru.matsush...@gmail.com>; Sri Gundavelli (sgundave) <sgund...@cisco.com>; Moses, Danny <danny.mo...@intel.com>; Weaver, Farni [CTO] <farni.wea...@sprint.com>; Matsushima Satoru <satoru.matsush...@g.softbank.co.jp>
*Subject:* Question about Interface Groups

Hello folks,

Can we have it so that all the Interfaces of an "Interface Group" (formerly, "DPN Group") reside on the same DPN?

If so, I can make good sense out of the text in the document, but otherwise I think there are big problems.

I have some other questions, but this is the main thing right now.  If the answer to my question is "Yes" I think I will have a sensible revision tomorrow.

I have some more questions, not quite as important, which I will put in separate emails.

Regards,
Charlie P.

On 1/18/2018 5:26 AM, Bertz, Lyle T [CTO] wrote:

    Charlie,

    Glad to hear things are going well.  I’m looking forward to your
    document update.

    Lyle


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