mirror of https://github.com/apache/cloudstack.git
CLOUDSTACK-2763
This commit is contained in:
Radhika PC
parent
0d7d345339
commit
c56a75da9c
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@ -35,113 +35,216 @@
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received at a public IP to one or more VMs that belong to a network tier that provides load
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balancing service in a VPC. A user creates a rule, specifies an algorithm, and assigns the
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rule to a set of VMs within a tier.</para>
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<orderedlist>
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<listitem>
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<para>Log in to the &PRODUCT; UI as an administrator or end user.</para>
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</listitem>
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<listitem>
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<para>In the left navigation, choose Network.</para>
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</listitem>
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<listitem>
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<para>In the Select view, select VPC.</para>
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<para>All the VPCs that you have created for the account is listed in the page.</para>
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</listitem>
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<listitem>
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<para>Click the Configure button of the VPC, for which you want to configure load balancing
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rules.</para>
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<para>The VPC page is displayed where all the tiers you created listed in a diagram.</para>
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<para>For each tier, the following options are displayed:</para>
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<itemizedlist>
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<listitem>
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<para>Internal LB</para>
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</listitem>
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<listitem>
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<para>Public LB IP</para>
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</listitem>
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<listitem>
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<para>Static NAT</para>
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</listitem>
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<listitem>
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<para>Virtual Machines</para>
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</listitem>
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<listitem>
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<para>CIDR</para>
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</listitem>
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</itemizedlist>
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<para>The following router information is displayed:</para>
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<itemizedlist>
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<listitem>
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<para>Private Gateways</para>
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</listitem>
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<listitem>
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<para>Public IP Addresses</para>
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</listitem>
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<listitem>
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<para>Site-to-Site VPNs</para>
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</listitem>
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<listitem>
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<para>Network ACL Lists</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para>In the Router node, select Public IP Addresses.</para>
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<para>The IP Addresses page is displayed.</para>
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</listitem>
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<listitem>
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<para>Click the IP address for which you want to create the rule, then click the
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Configuration tab.</para>
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</listitem>
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<listitem>
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<para>In the Load Balancing node of the diagram, click View All.</para>
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</listitem>
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<listitem>
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<para>Select the tier to which you want to apply the rule.</para>
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</listitem>
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<listitem>
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<para>Specify the following:</para>
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<itemizedlist>
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<listitem>
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<para><emphasis role="bold">Name</emphasis>: A name for the load balancer rule.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Public Port</emphasis>: The port that receives the incoming
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traffic to be balanced.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Private Port</emphasis>: The port that the VMs will use to
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receive the traffic.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Algorithm</emphasis>. Choose the load balancing algorithm
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you want &PRODUCT; to use. &PRODUCT; supports the following well-known
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algorithms:</para>
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<itemizedlist>
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<listitem>
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<para>Round-robin</para>
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</listitem>
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<listitem>
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<para>Least connections</para>
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</listitem>
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<listitem>
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<para>Source</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Stickiness</emphasis>. (Optional) Click Configure and choose
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the algorithm for the stickiness policy. See Sticky Session Policies for Load Balancer
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Rules.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Add VMs</emphasis>: Click Add VMs, then select two or more
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VMs that will divide the load of incoming traffic, and click Apply.</para>
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</listitem>
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</itemizedlist>
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</listitem>
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</orderedlist>
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<para>The new load balancing rule appears in the list. You can repeat these steps to add more
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load balancing rules for this IP address.</para>
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<section id="enable-vpc-public-lb">
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<title>Enabling NetScaler as the LB Provider on a VPC Tier</title>
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<orderedlist>
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<listitem>
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<para>Add and enable Netscaler VPX in dedicated mode.</para>
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<para>Netscaler can be used in a VPC environment only if it is in dedicated mode.</para>
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</listitem>
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<listitem>
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<para>Create a network offering, as given in <xref linkend="ext-lb-offering"/>.</para>
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</listitem>
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<listitem>
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<para>Create a VPC with Netscaler as the Public LB provider.</para>
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<para>For more information, see <xref linkend="add-vpc"/>.</para>
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</listitem>
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<listitem>
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<para>For the VPC, acquire an IP.</para>
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</listitem>
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<listitem>
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<para>Create an external load balancing rule and apply, as given in <xref
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linkend="ext-lb-vpc"/>.</para>
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</listitem>
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</orderedlist>
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</section>
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<section id="ext-lb-offering">
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<title>Creating a Network Offering for External LB</title>
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<para>To have internal LB support on VPC, create a network offering as follows: </para>
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<orderedlist>
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<listitem>
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<para>Log in to the &PRODUCT; UI as a user or admin.</para>
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</listitem>
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<listitem>
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<para>From the Select Offering drop-down, choose Network Offering.</para>
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</listitem>
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<listitem>
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<para>Click Add Network Offering.</para>
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</listitem>
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<listitem>
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<para>In the dialog, make the following choices:</para>
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<itemizedlist>
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<listitem>
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<para><emphasis role="bold">Name</emphasis>: Any desired name for the network
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offering.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Description</emphasis>: A short description of the
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offering that can be displayed to users.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Network Rate</emphasis>: Allowed data transfer rate in MB
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per second.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Traffic Type</emphasis>: The type of network traffic that
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will be carried on the network.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Guest Type</emphasis>: Choose whether the guest network is
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isolated or shared.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Persistent</emphasis>: Indicate whether the guest network
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is persistent or not. The network that you can provision without having to deploy a
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VM on it is termed persistent network. </para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">VPC</emphasis>: This option indicate whether the guest
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network is Virtual Private Cloud-enabled. A Virtual Private Cloud (VPC) is a
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private, isolated part of &PRODUCT;. A VPC can have its own virtual network topology
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that resembles a traditional physical network. For more information on VPCs, see
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<xref linkend="vpc"/>.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Specify VLAN</emphasis>: (Isolated guest networks only)
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Indicate whether a VLAN should be specified when this offering is used.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Supported Services</emphasis>: Select Load Balancer.
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Select <code>InternalLbVM</code> from the provider list.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Load Balancer Type</emphasis>: Select external LB from the
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drop-down. Use Netscaler</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">System Offering</emphasis>: Choose the system service
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offering that you want virtual routers to use in this network.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Conserve mode</emphasis>: Indicate whether to use conserve
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mode. In this mode, network resources are allocated only when the first virtual
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machine starts in the network.</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para>Click OK and the network offering is created.</para>
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</listitem>
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</orderedlist>
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</section>
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<section id="ext-lb-vpc">
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<title>Creating an External LB Rule</title>
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<orderedlist>
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<listitem>
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<para>Log in to the &PRODUCT; UI as an administrator or end user.</para>
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</listitem>
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<listitem>
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<para>In the left navigation, choose Network.</para>
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</listitem>
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<listitem>
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<para>In the Select view, select VPC.</para>
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<para>All the VPCs that you have created for the account is listed in the page.</para>
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</listitem>
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<listitem>
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<para>Click the Configure button of the VPC, for which you want to configure load
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balancing rules.</para>
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<para>The VPC page is displayed where all the tiers you created listed in a
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diagram.</para>
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<para>For each tier, the following options are displayed:</para>
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<itemizedlist>
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<listitem>
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<para>Internal LB</para>
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</listitem>
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<listitem>
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<para>Public LB IP</para>
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</listitem>
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<listitem>
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<para>Static NAT</para>
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</listitem>
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<listitem>
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<para>Virtual Machines</para>
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</listitem>
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<listitem>
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<para>CIDR</para>
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</listitem>
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</itemizedlist>
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<para>The following router information is displayed:</para>
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<itemizedlist>
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<listitem>
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<para>Private Gateways</para>
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</listitem>
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<listitem>
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<para>Public IP Addresses</para>
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</listitem>
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<listitem>
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<para>Site-to-Site VPNs</para>
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</listitem>
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<listitem>
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<para>Network ACL Lists</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para>In the Router node, select Public IP Addresses.</para>
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<para>The IP Addresses page is displayed.</para>
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</listitem>
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<listitem>
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<para>Click the IP address for which you want to create the rule, then click the
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Configuration tab.</para>
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</listitem>
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<listitem>
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<para>In the Load Balancing node of the diagram, click View All.</para>
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</listitem>
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<listitem>
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<para>Select the tier to which you want to apply the rule.</para>
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</listitem>
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<listitem>
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<para>Specify the following:</para>
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<itemizedlist>
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<listitem>
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<para><emphasis role="bold">Name</emphasis>: A name for the load balancer rule.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Public Port</emphasis>: The port that receives the
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incoming traffic to be balanced.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Private Port</emphasis>: The port that the VMs will use to
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receive the traffic.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Algorithm</emphasis>. Choose the load balancing algorithm
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you want &PRODUCT; to use. &PRODUCT; supports the following well-known
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algorithms:</para>
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<itemizedlist>
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<listitem>
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<para>Round-robin</para>
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</listitem>
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<listitem>
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<para>Least connections</para>
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</listitem>
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<listitem>
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<para>Source</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Stickiness</emphasis>. (Optional) Click Configure and
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choose the algorithm for the stickiness policy. See Sticky Session Policies for Load
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Balancer Rules.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Add VMs</emphasis>: Click Add VMs, then select two or more
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VMs that will divide the load of incoming traffic, and click Apply.</para>
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</listitem>
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</itemizedlist>
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</listitem>
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</orderedlist>
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<para>The new load balancing rule appears in the list. You can repeat these steps to add more
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load balancing rules for this IP address.</para>
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</section>
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</section>
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<section id="acros-tiers-lb">
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<title>Load Balancing Across Tiers</title>
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@ -43,7 +43,7 @@
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<para>Ensure that the hardware you have allows starting the selected service offering.</para>
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</listitem>
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<listitem>
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<para>Under Networks, select networks for the VM you are launching.</para>
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<para>Under Networks, select the desired networks for the VM you are launching.</para>
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<para>You can deploy a VM to a VPC tier and multiple shared networks.</para>
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<mediaobject>
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<imageobject>
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@ -67,9 +67,14 @@
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assign a special domain name, specify the DNS suffix. This parameter is applied to all
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the tiers within the VPC. That implies, all the tiers you create in the VPC belong to
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the same DNS domain. If the parameter is not specified, a DNS domain name is generated
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automatically. </para>
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automatically.</para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Public Load Balancer Provider</emphasis>: You have two
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options: VPC Virtual Router and Netscaler.</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem><para>Click OK.</para></listitem>
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</orderedlist>
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</section>
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