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Low-touch onboarding of NetScaler instances using Console Advisory Connect
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Flexed license
NetScaler Flexed licensing is the new licensing framework aimed at simplifying the license management process. Your Flexed license includes software instance licenses (VPX/CPX/BLX, SDX, MPX, and VPX FIPS) and bandwidth capacity licenses. You must apply the Flexed license on NetScaler Console service or NetScaler ADM on-prem. You must also apply the MPX Z-Cap and SDX Z-Cap license on NetScaler MPX and NetScaler SDX hardware respectively. You can then allocate them across all NetScaler form factors deployed in cloud or on-prem.
A Flexed license also offers analytics for unlimited virtual servers.
If you had Pooled licenses earlier and bought a Flexed license, you can view your license details in the Flexed license dashboard. The combined bandwidth and instances appear in the Flexed license dashboard.
Bandwidth license typically includes only the Premium edition unless you had a Pooled Standard or Advanced license earlier, in which case Standard, Advanced, and Premium editions appear in the Flexed license dashboard.
For more details see the Flexed license dashboard.
You can use Flexed licensing to maximize bandwidth utilization by ensuring the necessary bandwidth allocation to an instance and not more than its need. Increase or decrease the bandwidth allocated to an instance at run time without affecting the traffic.
Zero-capacity hardware
When managed through NetScaler Flexed licensing, MPX and SDX instances are referred to as “zero-capacity hardware” because these instances cannot function until they check resources out of the bandwidth pool. Thus, these platforms are also referred to as MPX-Z, and SDX-Z appliances.
Zero-capacity hardware requires a Z-cap license to check out bandwidth from the common pool.
Note:
- The zero capacity license installation works the same way as other NetScaler local licenses. For more information about how to obtain and install a zero capacity license, see Licensing guide for NetScaler.
Manage and install Z-cap licenses
You must install a Z-cap license manually, by using the hardware serial number or the license access code. After a Z-cap license is installed, it is locked to the hardware and cannot be shared across NetScaler hardware instances on demand. However, you can manually move the Z-cap license to another NetScaler hardware instance.
NetScaler MPX instances running the NetScaler software release 11.1 build 54.14 or later and NetScaler SDX instances running 11.1 build 58.13 or later support NetScaler Flexed licensing. For more information, see Tables 1 and 2 in Minimum and maximum capacity for Flexed and Pooled licensing.
Standalone NetScaler VPX instances
NetScaler VPX instances running NetScaler software release 11.1 Build 54.14 and later on the following hypervisors support Flexed licenses:
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VMware ESX 6.0
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Citrix Hypervisor
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Linux KVM
NetScaler VPX instances running NetScaler software release 12.0 Build 51.24 and later on the following hypervisors and cloud platforms support Flexed licensing:
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Microsoft Hyper-V
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AWS
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Microsoft Azure
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Google Cloud
NetScaler VPX instances running NetScaler software release 13.0 and 13.1 (all versions) on the following hypervisors and cloud platforms support Flexed licensing:
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VMware ESX 6.0
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Citrix Hypervisor
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Linux KVM
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Microsoft Hyper-V
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AWS
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Microsoft Azure
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Google Cloud
Standalone NetScaler CPX instances
NetScaler CPX instances deployed on a Docker host support Flexed licensing. Unlike zero-capacity hardware, NetScaler CPX does not require a Z-cap license. A single NetScaler CPX instance consuming up to 1 Gbps throughput checks-out only 1 instance and no bandwidth from the license pool. For example, consider that you have 20 NetScaler CPX instances with a 20 Gbps bandwidth pool. If one of the NetScaler CPX instances consumes 500 Mbps throughput, the bandwidth pool remains 20 Gbps for the remaining 19 NetScaler CPX instances.
If the same NetScaler CPX instance starts to consume 1500 Mbps throughput, the bandwidth pool has 19.5 Gbps for the remaining 19 NetScaler CPX instances.
For Flexed licensing, you can add more bandwidth only in multiples of 10 Mbps.
Standalone NetScaler BLX instances
NetScaler BLX instances support Flexed licensing. A NetScaler BLX instance does not require a Z-cap license. To process traffic, a NetScaler BLX instance must check out bandwidth and an instance license from the pool.
Bandwidth Pool
The bandwidth pool is the total bandwidth that can be shared by NetScaler instances, both physical and virtual. The bandwidth pool comprises a pool for the Premium software edition. If you shift from Pooled to Flexed licensing, you might find a mix of Standard, Advanced, and Premium software editions. A given NetScaler MPX/VPX/CPX/BLX instance cannot have bandwidth from different pools checked out concurrently. The bandwidth pool from which it can check out bandwidth depends on its software edition for which it is licensed.
Instance pool
There are three types of software instance pools:
- VPX/CPX/BLX software instance
- MPX software instance (same pool applies for MPX FIPS)
- SDX software instance (same pool applies for SDX FIPS)
- VPX FIPS software instance
When checked out from the pool, a license unlocks the software instance’s resources, including CPUs/PEs, SSL cores, packets per second, and bandwidth.
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