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Re: [Idr] draft-litkowski-idr-flowspec-interfaceset => NLRI vs EXTCT (part 2)

"Acee Lindem (acee)" <acee@cisco.com> Fri, 28 July 2017 14:16 UTC

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From: "Acee Lindem (acee)" <acee@cisco.com>
To: Robert Raszuk <robert@raszuk.net>, "Juan Alcaide (jalcaide)" <jalcaide@cisco.com>
CC: idr wg <idr@ietf.org>
Thread-Topic: [Idr] draft-litkowski-idr-flowspec-interfaceset => NLRI vs EXTCT (part 2)
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Date: Fri, 28 Jul 2017 14:16:44 +0000
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Subject: Re: [Idr] draft-litkowski-idr-flowspec-interfaceset => NLRI vs EXTCT (part 2)
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Hi Robert,

If we agree that Juan’s suggestion to use an RD to differentiate identical Flow Spec NLRIs with different group interface-ids, it would be something you and your co-authors should discuss in draft-ietf-idr-rfc5575bis. Even though the draft is much closer to publication, you could address the  use case generically with an informative reference.

Thanks,
Acee

From: Idr <idr-bounces@ietf.org<mailto:idr-bounces@ietf.org>> on behalf of Robert Raszuk <robert@raszuk.net<mailto:robert@raszuk.net>>
Date: Friday, July 28, 2017 at 9:20 AM
To: "Juan Alcaide (jalcaide)" <jalcaide@cisco.com<mailto:jalcaide@cisco.com>>
Cc: IDR List <idr@ietf.org<mailto:idr@ietf.org>>
Subject: Re: [Idr] draft-litkowski-idr-flowspec-interfaceset => NLRI vs EXTCT (part 2)


I also agree that use of RD would work. But we cannot use SAFI 134 if all we have is plain IPv4

​Why not ? While original intention of SAFI 134 was to be used with VPNs there is nothing which prevents to use it for "global" table. Just import the filters with RT corresponding to global VRF :)

Thx,
R.

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