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VMware vCloud Director Evaluator’s Guide
5.3 Network Infrastructure in the Cloud
5.3.1 Create External Networks
Now that we have created compute and storage units in the cloud, we need to provide network access to
the cloud.
External networks are used in VMware vCloud Director to give external connectivity to vApps. vApps live in
Organizations (which will be introduced later), so in a sense these networks are “external” to the Organization in
which the vApps live.
An External Network is a portgroup in vSphere that carries external virtual-machine trac. This portgroup can
be associated with a VLAN tag to ensure network isolation.
The simple way of thinking about this is that if you wish your vApps in the cloud to connect to vApps outside
their own Organization or to an External Network service such as the Internet or a shared storage network that
you have in a vSphere environment, then you create an External Network and connect the vApp to it.
Figure 5-3-1-1.
Step 1: Create External Networks
Click“ManageandMonitor”
Click“ExternalNetworks”intheleftpane
Click
buttontocreatenewExternalNetwork
SelectthevCenterserverandthevSpherenetwork(portgrouponvDS)Click“Next”
Figure 5-3-1-2. Select vCenter Server and vSphere Portgroup.
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