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Chapter 10. Setting Up Networking for Users
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a web server farm and require a scalable firewall solution, load balancing solution, and alternate
networks for accessing the database backend.
Note
If you create load balancing rules while using a network service offering that includes an external
load balancer device such as NetScaler, and later change the network service offering to one that
uses the CloudPlatform virtual router, you must create a firewall rule on the virtual router for each
of your existing load balancing rules so that they continue to function.
When creating a new virtual network, the CloudPlatform administrator chooses which network offering
to enable for that network. Each virtual network is associated with one network offering. A virtual
network can be upgraded or downgraded by changing its associated network offering. If you do this,
be sure to reprogram the physical network to match.
CloudPlatform also has internal network offerings for use by CloudPlatform system VMs. These
network offerings are not visible to users but can be modified by administrators.
10.5.1. Creating a New Network Offering
To create a network offering:
1. Log in with admin privileges to the CloudPlatform UI.
2. In the left navigation bar, click Service Offerings.
3. In Select Offering, choose Network Offering.
4. Click Add Network Offering.
5. In the dialog, make the following choices:
• Name. Any desired name for the network offering.
• Description. A short description of the offering that can be displayed to users.
• Network Rate. Allowed data transfer rate in MB per second.
• Guest Type. Choose whether the guest network is isolated or shared.
For a description of this term, see Section 10.2, “About Virtual Networks”.
• Persistent. Indicate whether the guest network is persistent or not. The network that you
can provision without having to deploy a VM on it is termed persistent network. For more
information, see Section 16.28, “Persistent Networks”.
• Specify VLAN. (Isolated guest networks only) Indicate whether a VLAN could be specified
when this offering is used. If you select this option and later use this network offering while
creating a VPC tier or an isolated network, you will be able to specify a VLAN ID for the network
you create.
• VPC. This option indicate whether the guest network is Virtual Private Cloud-enabled. A Virtual
Private Cloud (VPC) is a private, isolated part of CloudPlatform. A VPC can have its own virtual
network topology that resembles a traditional physical network. For more information on VPCs,
see Section 16.27.1, “About Virtual Private Clouds”.