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Re: [lisp] Unknown LCAF Types (?) (draft-ietf-lisp-vendor-lcaf)

Dino Farinacci <farinacci@gmail.com> Wed, 13 April 2022 19:02 UTC

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From: Dino Farinacci <farinacci@gmail.com>
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Date: Wed, 13 Apr 2022 12:02:23 -0700
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Cc: lisp-chairs@ietf.org, "draft-ietf-lisp-vendor-lcaf@ietf.org" <draft-ietf-lisp-vendor-lcaf@ietf.org>, "lisp@ietf.org list" <lisp@ietf.org>, Luigi Iannone <ggx@gigix.net>
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Subject: Re: [lisp] Unknown LCAF Types (?) (draft-ietf-lisp-vendor-lcaf)
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> Just confirm, the behavior is not specified in rfc8060, right?  It seems to me that it would be good to specify it somewhere and draft-ietf-lisp-vendor-lcaf looks as good a place as any - do you agree?

I search as well and it wasn't obviously stated. But 6833bis has this text:



Which doesn't make clear if the LCAF AFI is supported but the LCAF type is NOT supported, the LCAF type should be dropped.

Should we add this to rfc6833bis?

The suggested text would be:

. . . LISP control-plane messages that include an unrecognized AFI or LCAF-Type MUST be dropped . . .

Dino

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