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Chapter 16. Managing Networks and Traffic
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• When you create a guest network, the network offering that you select defines the network
persistence. This in turn depends on whether persistent network is enabled in the selected network
offering.
• An existing network can be made persistent by changing its network offering to an offering that has
the Persistent option enabled. While setting this property, even if the network has no running VMs,
the network is provisioned.
• An existing network can be made non-persistent by changing its network offering to an offering
that has the Persistent option disabled. If the network has no running VMs, during the next network
garbage collection run the network is shut down.
• When the last VM on a network is destroyed, the network garbage collector checks if the network
offering associated with the network is persistent, and shuts down the network only if it is non-
persistent.
16.28.2. Creating a Persistent Guest Network
To create a persistent network, perform the following:
1. Create a network offering with the Persistent option enabled.
See Section 10.5.1, “Creating a New Network Offering”.
2. Select Network from the left navigation pane.
3. Select the guest network that you want to offer this network service to.
4. Click the Edit button.
5. From the Network Offering drop-down, select the persistent network offering you have just
created.
6. Click OK.