Return-Path: X-Original-To: apmail-cloudstack-dev-archive@www.apache.org Delivered-To: apmail-cloudstack-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 2A9B51014A for ; Wed, 9 Oct 2013 09:58:30 +0000 (UTC) Received: (qmail 75644 invoked by uid 500); 9 Oct 2013 09:58:27 -0000 Delivered-To: apmail-cloudstack-dev-archive@cloudstack.apache.org Received: (qmail 75535 invoked by uid 500); 9 Oct 2013 09:58:26 -0000 Mailing-List: contact dev-help@cloudstack.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cloudstack.apache.org Delivered-To: mailing list dev@cloudstack.apache.org Received: (qmail 75483 invoked by uid 99); 9 Oct 2013 09:58:25 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Oct 2013 09:58:25 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of Murali.Reddy@citrix.com designates 66.165.176.63 as permitted sender) Received: from [66.165.176.63] (HELO SMTP02.CITRIX.COM) (66.165.176.63) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Oct 2013 09:58:18 +0000 X-IronPort-AV: E=Sophos;i="4.90,1062,1371081600"; d="scan'208";a="59177255" Received: from sinpex01cl03.citrite.net ([10.151.46.34]) by FTLPIPO02.CITRIX.COM with ESMTP/TLS/AES128-SHA; 09 Oct 2013 09:57:57 +0000 Received: from SINPEX01CL01.citrite.net ([169.254.1.152]) by SINPEX01CL03.citrite.net ([169.254.3.103]) with mapi id 14.02.0342.004; Wed, 9 Oct 2013 17:57:55 +0800 From: Murali Reddy To: "dev@cloudstack.apache.org" , Alena Prokharchyk Subject: Re: what's the reason for the placeholder nic in VPC/VR? Thread-Topic: what's the reason for the placeholder nic in VPC/VR? Thread-Index: AQHOxLVhQI19KDiJ/0ieenU2W/0wKpnr+LuA Date: Wed, 9 Oct 2013 09:57:54 +0000 Message-ID: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.5.121010 x-originating-ip: [10.151.46.1] Content-Type: text/plain; charset="us-ascii" Content-ID: <5561D6D52A19584A85DA35ABC45D5752@citrix.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Virus-Checked: Checked by ClamAV on apache.org On 09/10/13 11:33 AM, "Darren Shepherd" wrote: >Why is a placeholder nic created before the VRs for the VPC are created? > >Darren > Generally place holder nic is used in cases where cloudstack uses a subnet IP from the guest subnet, but ip is not used for any VM nic's. In most of the external network devices, needs a subnet IP from the guest network CIDR, cloudstack creates a place holder nic and allocates a subnet ip.