IETF Logo Mail Archive

[bess] Query about Ethernet Tag Id for TYpe-5 routes (RFC 9136)

"Joshi, Vinayak" <vinayak.joshi@hpe.com> Thu, 02 December 2021 06:33 UTC

Return-Path: <prvs=09707eccea=vinayak.joshi@hpe.com>
X-Original-To: bess@ietfa.amsl.com
Delivered-To: bess@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 496DB3A0B35 for <bess@ietfa.amsl.com>; Wed, 1 Dec 2021 22:33:12 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.789
X-Spam-Level:
X-Spam-Status: No, score=-2.789 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.701, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=hpe.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZqfDUzqsa_qT for <bess@ietfa.amsl.com>; Wed, 1 Dec 2021 22:33:06 -0800 (PST)
Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id ABAB33A0B34 for <bess@ietf.org>; Wed, 1 Dec 2021 22:33:06 -0800 (PST)
Received: from pps.filterd (m0148663.ppops.net [127.0.0.1]) by mx0a-002e3701.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1B25LvxO017352 for <bess@ietf.org>; Thu, 2 Dec 2021 06:33:05 GMT
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : subject : date : message-id : content-type : mime-version; s=pps0720; bh=3fazH1F2WpFlsgErQq5GTwQxaBk4vObXpmC2sUgiqpw=; b=kq8YW5yzbUWIjaezCkQvfvBs464O+DAefGzu/8mgD3RfTewW419JkT1LiReWEWaym847 oPo+5tWuZesn+yNoxXYa3POfVLz/p72EJC0rXol2iR7wFB82rK/72ZureYUy5lZiHF6S f4r4BgZrMVPlnLkecxlDlyQ5q7lKiWNlcpI4IQzghTAFoK7b54mjA1G165+zkolwz75m PGbVTDZjhMQcEVRRVrJOxoBqNYZTLVFP1+coVXOzvUxETn7mIakI14ShDx76DBXl13pQ AFxniQWyxX2L2ly+dB6UpNQkK6eqCRDosayxSQ0gnpo65zu7UV6tRav2RTG8+XDmNgwq kg==
Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by mx0a-002e3701.pphosted.com with ESMTP id 3cp9th6whd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for <bess@ietf.org>; Thu, 02 Dec 2021 06:33:04 +0000
Received: from G9W8453.americas.hpqcorp.net (g9w8453.houston.hp.com [16.216.160.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by g9t5009.houston.hpe.com (Postfix) with ESMTPS id DC80C58 for <bess@ietf.org>; Thu, 2 Dec 2021 06:33:03 +0000 (UTC)
Received: from G9W8455.americas.hpqcorp.net (2002:10d8:a15e::10d8:a15e) by G9W8453.americas.hpqcorp.net (2002:10d8:a0d3::10d8:a0d3) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Thu, 2 Dec 2021 06:33:03 +0000
Received: from NAM10-BN7-obe.outbound.protection.outlook.com (15.241.52.13) by G9W8455.americas.hpqcorp.net (16.216.161.94) with Microsoft SMTP Server (TLS) id 15.0.1497.23 via Frontend Transport; Thu, 2 Dec 2021 06:33:03 +0000
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=POZITr2CIPe6RIpLooP+VWbphF1/YM2UAdDvkq8wP2MGDwKL+o/7RV4h4fC3HikBdSYILFBo7LcPyzlR2ZRj/zFwJ44Y61VlRHMkFfMilGSqIN8UB4fzCriPe5uMW4ObPReDSl5SxGdms7bDmNIBEO4u0TNSP5VPx8nN3IdukirMM7V3/FjaV5vWeOKjeXldT5SKbyKSEMMN6CclYLI8raEpX0/xZk7Z5VpCJNaAN7edbQ0SgwY4JU1csgkLdiE/3pN+WnH4V3nNdSWrOjDdP7C6lNlnCz9TmfKy/RJu07K+187aLC7969MzLAjpOHOyqSC1E85Q4bSlTE2Hk+IsEw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=3fazH1F2WpFlsgErQq5GTwQxaBk4vObXpmC2sUgiqpw=; b=brBiXIDcms41d9wwxpNjXJzdpy2KyG0PunOXwwBwJ3DLuq4/BsNhEdfaoaXLsQEGL0IJm3wtfXLXXUjjKL447jZR8kk2meUxkDbNE6R8UJ4Y1QW6egvIzSvFRnfBZSIwXzWp7HC+5gzR9ny7oSzYd7QqGTyPINK/4CCuVPqtoZrcQCE3Z3jMzeU6/hBwxs7zNcFZv1Y2OBRI+FBpVNGTVFnmwjqLTnBBtKBdCQYaNaRWJdYoffizwiSB1q9O9fn9pJoilRJfh8AA2ABttuLQBRxNUgoTZMc6M5949FgbIf6e59eVt6gYt1WofG5Ef9DMAgOs0xWa9w7jRtORfQdcYA==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=hpe.com; dmarc=pass action=none header.from=hpe.com; dkim=pass header.d=hpe.com; arc=none
Received: from CS1PR8401MB1062.NAMPRD84.PROD.OUTLOOK.COM (2a01:111:e400:750c::8) by CS1PR8401MB0872.NAMPRD84.PROD.OUTLOOK.COM (2a01:111:e400:750e::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4734.22; Thu, 2 Dec 2021 06:33:02 +0000
Received: from CS1PR8401MB1062.NAMPRD84.PROD.OUTLOOK.COM ([fe80::a1b2:3d06:611d:4dfc]) by CS1PR8401MB1062.NAMPRD84.PROD.OUTLOOK.COM ([fe80::a1b2:3d06:611d:4dfc%3]) with mapi id 15.20.4734.024; Thu, 2 Dec 2021 06:33:02 +0000
From: "Joshi, Vinayak" <vinayak.joshi@hpe.com>
To: "bess@ietf.org" <bess@ietf.org>
Thread-Topic: Query about Ethernet Tag Id for TYpe-5 routes (RFC 9136)
Thread-Index: AdfnRcdCuEP4KLRhRX+IIl/qhpHxaQ==
Date: Thu, 02 Dec 2021 06:33:02 +0000
Message-ID: <CS1PR8401MB106290067F945313D44AB0F3F2699@CS1PR8401MB1062.NAMPRD84.PROD.OUTLOOK.COM>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: d1f37be0-c80c-4dc2-e69d-08d9b55d973e
x-ms-traffictypediagnostic: CS1PR8401MB0872:
x-microsoft-antispam-prvs: <CS1PR8401MB0872FD64F129ADFC8F9D7D82F2699@CS1PR8401MB0872.NAMPRD84.PROD.OUTLOOK.COM>
x-ms-oob-tlc-oobclassifiers: OLM:8273;
x-ms-exchange-senderadcheck: 1
x-ms-exchange-antispam-relay: 0
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: 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
x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:CS1PR8401MB1062.NAMPRD84.PROD.OUTLOOK.COM; PTR:; CAT:NONE; SFS:(366004)(55016003)(52536014)(26005)(4744005)(9686003)(66946007)(66476007)(71200400001)(82960400001)(38070700005)(7696005)(5660300002)(76116006)(38100700002)(86362001)(8676002)(8936002)(186003)(64756008)(66556008)(508600001)(316002)(33656002)(55236004)(66446008)(6916009)(6506007)(122000001)(2906002); DIR:OUT; SFP:1102;
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: aSH72XftIWy7B43KtLpKicxMCnfZi4Rr3m6D+2h9KCZ3rQo9sA14wW7rXf7ANKdXawoYBHBMZdccGKf+4d8RAugJXp9zRpJYpGsCzmFpOzqlevk5evNB72ETTt8RZHkKl8qhXb92RPqdPDQOPuTQtp3Fv7n0c9gk2v7TGpH96pIXSxrq1u8WaBTjtZ31c/VNlYQtgu+nKMbNUdBARjcBUiTwNSO9xXQfkPf/hfAVLXqpqq1x3cTQqiAAx7oZtxCBemUqheXaCbsLPArz+mDBziBA9mvFWJDoHs5lN9BvABzaiL/EggncOUtRQodIJBLg460xUJkHg/Q8AWUoejxe6DR5Z+0JbU+Vvikyzje7LdG1nzAWmerMhTUA23+BG66jvG+eIzn1a2ezEDDhedNE153CCaUO1gQkpAAZ2/VptA2xQOe4sAm1n3Yo8+1S06isidIttWNVuWK0b9sV5AIJALXbWtfzSw/4Aj3jH7lURiIbnHGMy2sR/3o7246EmPeZrTm4RUngb9abSxexi+Q02PI7f1bT7QKBodmxLNKxjVUDzOlQMDNp3FxSddT+0ZtNmjNZxG13LXUJuICkbJJnUDwk+sVjdE2kR6chlGot8V6xcLLjjMfGyI674h46HA49+C5ab+/ymaSHB7ImqarXhLPs77opUFTikAq9GzwxrKlN4/BRzrhh06/KHQNCcedrWE/RZISka76iJmWXY+zn/gj+ncFjdDQoQmqL6DpGiIa+LcTLH1eKKYVjj1+sn3+UO215kCI7vChDNfR8AqfZ5JoWAXQFRV2eDDhnDsSE8+OzgEDF634c+nVsgonlnKh0Ghp4y7CKgZBH54/kkp+zpg21fzdgKLNC6x7qUn/6/B2PQytbuI3yP1e0R7bb2A/XcvXLtN2pPEVcIJ/FVsTJ0Z8IlskmStvCE6Q3+blMUtW0wwyek2WCFUUyN+70LA9GxP8AYiR1t3PtV8nRfpwDfDV4r8lt6QAdkxbtIHnwtepYslkfxc9+ciWCX7AhhY09h68zc0DReWz4i4JXoj3byI8Bq26ubb3afMZ81bwoZ28ELRag6zRp87V3VeaqK+UI3Le6GwYPq+D8xAZdinFiJ/5jKbxk6f9EtMg1ltsXZmP+dHQnfRhR/FtpUZ9/olFKOpDgEDpeDdEYrYwhvFf68OOUqT4x1KaE6CMUmBr4KXwh75R3y1tP/ZcGbgBcBP9kN+eF0tcJ4S7NvrXv0RaGz+SLnkcjY6OTc5Jbvb9NRQelEX1qvmp8G0ahXqNj42/WyglImoYn6WXiTv+KqXOj341VLeNavQi4jK5MZtEHH2Foxf6m7nQIGuHseKhZLRwTFmRbLvSSt3NjYPw8GxU1sDYfybS0WnsOxQM9etJoinhr4i7REsIqApz4TwkFXw2fFKUMGDznhiH7TYogneWibBFN9S1BDwwjsYNqe8Wy/MycVrx6es10pDBUU6B/XDRxGkzHTlWPjFx4P+ozVRBp3kjaIGrY5YUjtLIa1D5U8H9g3KYpX02P5Bq9sWdGTMFMU7oku7tILjqINsuDRyJOs9GvHZhmZvoHO9gsgKyTbWmwWIEVv27YEzgKII5DOoveCXrRl4VIT79nGrbq1H537WiDeEyBKlJgmddCSWSLhsY=
Content-Type: multipart/alternative; boundary="_000_CS1PR8401MB106290067F945313D44AB0F3F2699CS1PR8401MB1062_"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: CS1PR8401MB1062.NAMPRD84.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-Network-Message-Id: d1f37be0-c80c-4dc2-e69d-08d9b55d973e
X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Dec 2021 06:33:02.2964 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 105b2061-b669-4b31-92ac-24d304d195dc
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: BztkvvEMJmOpB6TAGCrbEE4eZy++ofzZoqh9O+Wt73TozPv7ptzf2qUKVqzqrSQZG6Lmg1tLTLNPWHjO3e1S3g==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CS1PR8401MB0872
X-OriginatorOrg: hpe.com
X-Proofpoint-GUID: jnPh-9Sm3OHFaQFVz2u_FfJH69PkYCzn
X-Proofpoint-ORIG-GUID: jnPh-9Sm3OHFaQFVz2u_FfJH69PkYCzn
X-HPE-SCL: -1
X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-30_10,2021-12-01_01,2020-04-07_01
X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1031 priorityscore=1501 spamscore=0 mlxlogscore=567 malwarescore=0 phishscore=0 mlxscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112020036
Archived-At: <https://mailarchive.ietf.org/arch/msg/bess/r_yEcA5StQEANfg6AQEqLcpst-U>
Subject: [bess] Query about Ethernet Tag Id for TYpe-5 routes (RFC 9136)
X-BeenThere: bess@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: BGP-Enabled ServiceS working group discussion list <bess.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/bess>, <mailto:bess-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/bess/>
List-Post: <mailto:bess@ietf.org>
List-Help: <mailto:bess-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/bess>, <mailto:bess-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 02 Dec 2021 06:33:12 -0000

Hi all,

RFC 9136 says the following (Section 3.1)


"   The RD, Ethernet Tag ID, IP prefix length, and IP prefix are part of
   the route key used by BGP to compare routes.  The rest of the fields
   are not part of the route key.

With VLAN Aware Bundling the Eth Tag ID acts as a distinguisher for the routes while importing into L2-VRF.
But for L3 prefix routes what is the use case for setting the Ether Tag ID to any non-zero value?

Thanks in advance,
Vinayak

v2.23.0 | Report a Bug | By Email