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What to do next

Deploy two additional controllers to ensure a greater level of resiliency. Three is the recommended number

by VMware. During this period, do not add or modify logical switches or distributed routing in your

environment.

If you need to delete a controller, first stop using the logical router or logical switch based on this controller

before deleting it.

Assign Segment ID Pool and Multicast Address Range to NSX Manager

You must specify a segment ID pool for each NSX Manager to isolate your network traffic. If an NSX

controller is not deployed in your environment, you must add a multicast address range to spread traffic

across your network and avoid overloading a single multicast address.

The Segment ID Pool specifies a range of VXLAN Network Identifiers (VNIs) for use when building Logical

Network segments.

Procedure

1 On the Installation tab, click Logical Network Preparation and then click Segment ID.

Click the Edit ( ) icon

3 Type a range for segment IDs. For example, 5000-5200.

The segment ID range determines the maximum number of logical switches that can be created in your

infrastructure.

4 If you do not have a deployed NSX controller in your environment, select Enable multicast addressing

and type an address range. For example, 239.1.1.10-239.1.1.20.

NOTE You must specify a multicast address range for VMware ESX 5.1 hosts or when using the hybrid

mode.

5 Click OK.

Configure VXLAN Transport Parameters

The VXLAN network is used for Layer 2 Logical Switching across hosts. You configure VXLAN on a per-

cluster basis, where you map each cluster that is to participate in a logical network to a vDS. When you map

a cluster to a switch, each host in that cluster is enabled for logical switches. The settings chosen here will be

used in creating the VMkernel interface.

Prerequisites

All hosts in the cluster must be connected to a vDS.

Network virtualization components must be installed.

Procedure

1 Ensure that you are on the Installation > Host Preparation tab.

2 For the cluster on which you want to configure VXLAN, click Configure in the VXLAN column.

3 In the Configuring VXLAN networking dialog box, select the switch to which you want to map the

cluster.

4 Type the VLAN transport.

NSX Installation and Upgrade Guide

22 VMware, Inc.

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Upgrading everyday security Commpact Manuel d'utilisateur Page 22