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61 lines
3.6 KiB
XML
61 lines
3.6 KiB
XML
<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="add-load-balancer-rule">
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<title>Adding a Load Balancer Rule</title>
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<orderedlist>
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<listitem><para>Log in to the &PRODUCT; UI as an administrator or end user. </para></listitem>
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<listitem><para>In the left navigation, choose Network.</para></listitem>
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<listitem><para>Click the name of the network where you want to load balance the traffic.</para></listitem>
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<listitem><para>Click View IP Addresses.</para></listitem>
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<listitem><para>Click the IP address for which you want to create the rule, then click the Configuration tab.</para></listitem>
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<listitem><para>In the Load Balancing node of the diagram, click View All.</para>
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<para>In a Basic zone, you can also create a load balancing rule without acquiring or selecting an
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IP address. &PRODUCT; internally assign an IP when you create the load balancing
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rule, which is listed in the IP Addresses page when the rule is created. </para>
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<para>To do that, select the name of the network, then click Add Load Balancer tab. Continue with
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<xref linkend="config-lb"/>.</para></listitem>
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<listitem id="config-lb"><para>Fill in the following:</para>
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<itemizedlist>
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<listitem><para><emphasis role="bold">Name</emphasis>: A name for the load balancer rule.</para></listitem>
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<listitem><para><emphasis role="bold">Public Port</emphasis>: The port receiving incoming traffic to be
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balanced.</para></listitem>
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<listitem><para><emphasis role="bold">Private Port</emphasis>: The port that the VMs will use to receive the
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traffic.</para></listitem>
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<listitem><para><emphasis role="bold">Algorithm</emphasis>: Choose the load balancing algorithm you want
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&PRODUCT; to use. &PRODUCT; supports a variety of well-known
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algorithms. If you are not familiar with these choices, you will find plenty
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of information about them on the Internet.</para></listitem>
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<listitem><para><emphasis role="bold">Stickiness</emphasis>: (Optional) Click Configure and choose the
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algorithm for the stickiness policy. See Sticky Session Policies for Load
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Balancer Rules.</para></listitem>
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<listitem><para><emphasis role="bold">AutoScale</emphasis>: Click Configure and complete the AutoScale
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configuration as explained in <xref linkend="autoscale"/>.</para></listitem>
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</itemizedlist></listitem>
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<listitem><para>Click Add VMs, then select two or more VMs that will divide the load of incoming traffic, and click Apply.</para>
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<para>The new load balancer rule appears in the list. You can repeat these steps to add more load balancer rules for this IP address.</para>
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</listitem>
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</orderedlist>
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</section>
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