Re: [netmod] I-D Action: draft-ietf-netmod-sub-intf-vlan-model-01.txt
Robert Wilton <rwilton@cisco.com> Thu, 15 June 2017 16:18 UTC
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To: Vladimir Vassilev <vladimir@transpacket.com>, netmod@ietf.org
References: <148943391240.20421.7015046968650807465@ietfa.amsl.com> <d8118ca7-92f7-ce53-50a0-fd1a15181e4b@transpacket.com>
From: Robert Wilton <rwilton@cisco.com>
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Date: Thu, 15 Jun 2017 17:18:22 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/VaJzAGwhFrtwbJK45sIwiC9yyvc>
Subject: Re: [netmod] I-D Action: draft-ietf-netmod-sub-intf-vlan-model-01.txt
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Hi Vladimir, Thanks for raising this. On 15/06/2017 12:59, Vladimir Vassilev wrote: > Hello, > > There is a problem with a mutually exclusive 'when' statements for the > /interfaces/inteface/encapsulation container in > ietf-interfaces-common@2017-03-13.yang > (draft-ietf-netmod-intf-ext-yang-04) and > ietf-if-l3-vlan@2017-03-13.yang models causing error with our > validation tools. > > As defined in ietf-interfaces-common@2017-03-13.yang: > > ... > > container encapsulation { > when > "derived-from-or-self(../if:type, > 'ianaift:ethernetCsmacd') or > derived-from-or-self(../if:type, > 'ianaift:ieee8023adLag') or > derived-from-or-self(../if:type, 'ianaift:pos') or > derived-from-or-self(../if:type, > 'ianaift:atmSubInterface') or > derived-from-or-self(../if:type, 'ethSubInterface')" { > > ... > > and here augmented in ietf-if-l3-vlan@2017-03-13.yang: > > augment "/if:interfaces/if:interface/if-cmn:encapsulation/" + > "if-cmn:encaps-type" { > when "../if:type = 'ianaift:l2vlan' and > derived-from-or-self(../if-cmn:forwarding-mode, > 'if-cmn:network-layer')" { > > Short term fix I use is to add "or derived-from-or-self(../if:type, > 'ianaift:l2vlan')" to the ietf-interfaces-common definition. I suspect that probably the reverse fix is probably better. I.e. add derived-from-or-self(../if:type, 'ethSubInterface' to the encapsulation when statement replacing the l2vlan, since ethSubInterface derived from l2vlan anyway. Thanks, Rob > > > Vladimir > > > On 03/13/2017 08:38 PM, internet-drafts@ietf.org wrote: >> A New Internet-Draft is available from the on-line Internet-Drafts >> directories. >> This draft is a work item of the NETCONF Data Modeling Language of >> the IETF. >> >> Title : Sub-interface VLAN YANG Data Models >> Authors : Robert Wilton >> David Ball >> Tapraj Singh >> Selvakumar Sivaraj >> Filename : draft-ietf-netmod-sub-intf-vlan-model-01.txt >> Pages : 27 >> Date : 2017-03-13 >> >> Abstract: >> This document defines YANG modules to add support for classifying >> traffic received on interfaces as Ethernet/VLAN framed packets to >> sub-interfaces based on the fields available in the Ethernet/VLAN >> frame headers. These modules allow configuration of Layer 3 and >> Layer 2 sub-interfaces (e.g. attachment circuits) that can >> interoperate with IETF based forwarding protocols; such as IP and >> L3VPN services; or L2VPN services like VPWS, VPLS, and EVPN. The >> sub-interfaces also interoperate with VLAN tagged traffic orginating >> from an IEEE 802.1Q compliant bridge. Primarily the classification >> is based on VLAN identifiers in the 802.1Q VLAN tags, but the model >> also has support for matching on some other layer 2 frame header >> fields and is designed to be extensible to match on other arbitrary >> header fields. >> >> The model differs from an IEEE 802.1Q bridge model in that the >> configuration is interface/sub-interface based as opposed to being >> based on membership of an 802.1Q VLAN bridge. >> >> >> The IETF datatracker status page for this draft is: >> https://datatracker.ietf.org/doc/draft-ietf-netmod-sub-intf-vlan-model/ >> >> There's also a htmlized version available at: >> https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-01 >> >> A diff from the previous version is available at: >> https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-sub-intf-vlan-model-01 >> >> >> >> Please note that it may take a couple of minutes from the time of >> submission >> until the htmlized version and diff are available at tools.ietf.org. >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> _______________________________________________ >> netmod mailing list >> netmod@ietf.org >> https://www.ietf.org/mailman/listinfo/netmod > > . >
- [netmod] I-D Action: draft-ietf-netmod-sub-intf-v… internet-drafts
- Re: [netmod] I-D Action: draft-ietf-netmod-sub-in… Vladimir Vassilev
- Re: [netmod] I-D Action: draft-ietf-netmod-sub-in… Robert Wilton
- Re: [netmod] I-D Action: draft-ietf-netmod-sub-in… Vladimir Vassilev
- Re: [netmod] I-D Action: draft-ietf-netmod-sub-in… Robert Wilton