From patchwork Fri Mar 9 22:57:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gurucharan Shetty X-Patchwork-Id: 884054 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=openvswitch.org (client-ip=140.211.169.12; helo=mail.linuxfoundation.org; envelope-from=ovs-dev-bounces@openvswitch.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ovn.org Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3zyjSv3p5jz9shy for ; Sat, 10 Mar 2018 09:57:35 +1100 (AEDT) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 759A911B5; Fri, 9 Mar 2018 22:57:33 +0000 (UTC) X-Original-To: dev@openvswitch.org Delivered-To: ovs-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id EF8511177 for ; Fri, 9 Mar 2018 22:57:31 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-pf0-f193.google.com (mail-pf0-f193.google.com [209.85.192.193]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id D8ADE5E4 for ; Fri, 9 Mar 2018 22:57:30 +0000 (UTC) Received: by mail-pf0-f193.google.com with SMTP id h19so1866148pfd.12 for ; Fri, 09 Mar 2018 14:57:30 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=d2oB8d+YUBtLMiO7YZOBv2EJMlZJbt6UNuqnlxqXkBc=; b=eD3yPxWZVBObI3lRmhrtJOO0SrkMdeGoGDz5oC5iL0Xz4XoJrfwPJ3zl95Tn/18gqP VPywtMLhYXgpCDNl8ora0ZHsDOvEzXYiPYh/Eu6OEsN9feDUz9HXTCeyhkwVs6ArZ0pw y4SlK2tlwO7EEIdmeF8fo95iYksg51+JhP7UfQ9WIGK+WmaPDamo+bhC4/Uw/fAdtYgS QtYFLwnuXQ4+spIgoHxww6sOFwS2gx1stCc9GdA3tppMc+VJaAWnmPVEXG+jqYt2hXTo gMJqKFogcY1EfIQAZ7ItrV1QJb4FufGtVQfbQORnbPP56BhCndqONac1IOZ8FFVGcXwL WirA== X-Gm-Message-State: AElRT7H6Sb3C4y7yu8FDzxVc0eJTmc64zHZTL3LZRyJNVieR288qUejf nGa9OrlH5FUw9v5pZzmSv3OGDQ== X-Google-Smtp-Source: AG47ELujQcCwVcRJs0KyCgCfzX5klj+ONuyUAv/KWj6sTcq+ES5L3+/8vlrP+omndkJ4XD71yWjHgQ== X-Received: by 10.98.8.219 with SMTP id 88mr145074pfi.4.1520636250299; Fri, 09 Mar 2018 14:57:30 -0800 (PST) Received: from ubuntu.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id v8sm4371018pff.38.2018.03.09.14.57.29 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 09 Mar 2018 14:57:29 -0800 (PST) From: Gurucharan Shetty To: dev@openvswitch.org Date: Fri, 9 Mar 2018 14:57:25 -0800 Message-Id: <1520636245-4498-1-git-send-email-guru@ovn.org> X-Mailer: git-send-email 2.7.4 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: [ovs-dev] [PATCH] ovn-nb: Document a load_balancer VIP requirement. X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ovs-dev-bounces@openvswitch.org Errors-To: ovs-dev-bounces@openvswitch.org When the Load_Balancer is added to the logical_switch, the VIP has to be in a different subnet than the one used for the logical_switch. Since VIP is in a different subnet, you should connect your logical switch to either a OVN logical router or a real router (this is because the client can now send a packet with VIP as the destination IP address and router's mac address as the destination MAC address). Signed-off-by: Gurucharan Shetty Acked-by: Ben Pfaff --- ovn/ovn-nb.xml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/ovn/ovn-nb.xml b/ovn/ovn-nb.xml index b7a5b6b..6bb93de 100644 --- a/ovn/ovn-nb.xml +++ b/ovn/ovn-nb.xml @@ -951,6 +951,15 @@ "[fd0f::1]:8800". Examples for value are "10.0.0.1, 10.0.0.2" and "20.0.0.10:8800, 20.0.0.11:8800".

+

+ When the Load_Balancer is added to the + logical_switch, the VIP has to be in a different subnet + than the one used for the logical_switch. Since VIP is + in a different subnet, you should connect your logical switch to + either a OVN logical router or a real router (this is because the + client can now send a packet with VIP as the destination IP address + and router's mac address as the destination MAC address). +