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This chapter contains the following sections:
Note |
Cisco Prime Network Services Controller licensing model is not supported by Cisco Nexus 1000V InterCloud. |
In this licensing model the Cisco Nexus 1000V InterCloud VSM, enforces the number of licenses purchased.
For Cisco Nexus 1000V InterCloud, one Cisco Nexus 1000V InterCloud license is required for every active Virtual Machine in the cloud.
Cisco Nexus 1000V InterCloud licenses are delivered in a Software License Claim Certificate by e-mail and the license packages are installed and configured on the Cisco Nexus 1000V Virtual Supervisor Module (VSM). To understand more fully the terms associated with the licensing, see Licensing Terminology.
Licenses are also required for Cisco Nexus 1000V for Cisco Nexus 1000V in the enterprise. See the Cisco Nexus 1000V License Configuration Guide for information about the licensing requirements for Cisco Nexus 1000V.
In this model, the Cisco Prime Network Services Controller enforces the number of licenses purchased. See the Cisco Prime Network Services Controller User Guide for more information.
Note |
The first InterCloud link deployment dictates which licensing model is used. To switch from once license model to the other, you must deleted all previous InterCloud links |
Cisco Nexus 1000V InterCloud includes the following types of licences:
Permanent licenses do not expire. You can purchase permanent licenses for a fixed number of active Virtual Machines in the cloud, and you need one license for every VM instantiated on the cloud. The license file specifies the number of licenses that you have purchased.
When you purchase permanent licenses, make sure to request enough licenses to cover all of the VMs in the cloud.
Any extra licenses are placed into a pool of available licenses on the VSM to be used as needed. See Pool of Available Licenses
After you purchase a license package, you then install the package on your VSM. The license package name is similar to the following: Nexus1000V_INTERCLOUD_VM_PKG. See Installing the License File on the VSM
After installing permanent licenses, you can remove the evaluation license file from the pool if desired.
There are 16 default licenses pre-installed with the Cisco Nexus 1000V InterCloud software that are valid for 60 days from the date of VSM installation. These default licenses allow you to use the Cisco Nexus 1000V InterCloud for a 60 day trial period before purchasing permanent licenses.
Default licenses are invalidated when one of the following occurs:
If you need additional licenses to cover all the VMs in the cloud, you must obtain either permanent licenses or evaluation licenses from Cisco.com. For additional licensing information, contact your Cisco representative.
Evaluation licenses allows you to try Cisco Nexus 1000V InterCloud before purchasing permanent licenses. For Cisco Nexus 1000V InterCloud, evaluation licenses are in packages of 16 licenses that are valid for 60 days to enable you to evaluate the Cisco Nexus 1000V InterCloud before you purchase permanent licenses.
The evaluation period starts when you install the evaluation license file. Unlike default licenses, an evaluation license is not invalidated when you install a permanent license. Instead, evaluation licenses only expire when the license file reaches its expiration date. The validity period may vary and the expiration date is mentioned in the license file.
After installing permanent licenses, you can remove the evaluation license file from the pool if desired.
Evaluation license packs are available from Cisco.com.
Overdraft licenses are used when the installed licenses are used up. Overdraft licenses can prevent a service disruption in the event you exceed the number of permanent or evaluation licenses specified in your license file.
The number of overdraft licenses provided is based on the number of licenses ordered. If the number of licenses installed is less than or equal to 64, the number of overdraft licenses provided is 16. Otherwise, it is 30% of the installed licenses.
The expiration of an overdraft license is tied to the expiration date of the installed license.
If you have licenses that are unused, the VSM stores these unused licenses in a pool of available licenses. Before you can uninstall a license file, you must first return all licenses from its VMs to the pool.
The following events trigger a renegotiation and synchronization of licenses between the VSM and the cloud VMs:
During the license renegotiation process, system messages alert you if licenses could not be checked out for a VM which had a license earlier.
A system message similar to the following is generated when a VM being instantiated in the cloud is not able to get a license. This message indicates that you should add more permanent licenses:
VM cvm_example does not have InterCloud license, the VM will be powered down by CM. Please install licenses, if needed.
A system message similar to the following is generated when a VM which had an Cisco Nexus 1000V InterCloud license earlier, is now not able to get a license due to license expiry:
VM cvm_example license has expired, Please install licenses if needed