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An IB-FLEX instance supports capacity-based licensing only, but it is compatible with NIOS Grid Master that uses node-based licensing. You can upgrade an IB-FLEX instance from a low-end flavor platform to a high-end flavor by platform by increasing the resource allocation of the virtual machine. An IB-FLEX instance selects the default internal settings for a respective instance flavor based on the resource settings detected during the startup.
An IB-FLEX instance supports VMware ESXi with or without SR-IOV enabled and OpenStack with KVM both with or without SR-IOV. The table below provides information about the IB-FLEX platform resource specification:
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You cannot mark an IB-FLEX appliance as a Grid Master or Grid Master Candidate with resources that are intended for small authoritative DNS, small recursive DNS (with acceleration), medium recursive DNS (with acceleration), and large recursive DNS (with acceleration). For more information, see Table 8.8.
Infoblox recommends that you increase the memory to the following for IB-FLEX type 2 members to use certain features:
- 16 GB, instead of the standard 14 GB, to use DNS analytics.
- 20 GB, instead of the standard 18 GB, to use Threat analytics when RPZ is assigned to the IB-FLEX member.