Minimum Hardware and Software Requirements
This topic includes the following sections:
Minimum Hardware Requirements for VMware (Junos OS Release 15.1F4 to 19.1)
Table 1 lists the hardware requirements.
Table 1: Minimum Hardware Requirements for VMware (Junos OS Release 15.1F4 to 19.1)
Number of cores
Note: Performance mode is the default mode and the minimum value is based on one port.
For performance mode with low-bandwidth (virtio) or high-bandwidth (SR-IOV) applications: Minimum of 9
The exact number of required vCPUs differs depending on the Junos OS features that are configured and other factors, such as average packet size. You can contact Juniper Networks Technical Assistance Center (JTAC) for validation of your configuration and make sure to test the full configuration under load before use in production. For typical configurations, we recommend the following formula to calculate the minimum vCPUs required by the VFP:
Note: All VFP vCPUs must be in the same physical non-uniform memory access (NUMA) node for optimal performance.
In addition to vCPUs for the VFP, we recommend 2 x vCPUs for VCP and 2 x vCPUs for Host OS on any server running the vMX.
For lite mode: Minimum of 4
Note: If you want to use lite mode when you are running with more than 3 vCPUs for the VFP, you must explicitly configure lite mode.
Note: Performance mode is the default mode.
For performance mode:
For lite mode: Minimum of 3 GB
Local or NAS
Each vMX instance requires 44 GB of disk storage
Minimum storage requirements:
40 GB for VCP
Note: See Virtual Network Interfaces for vMX for an overview on the types of virtual network interfaces supported by vMX.
Software Requirements for VMware (Junos OS Release 15.1F4 to 19.1)
Table 2 lists the software requirements.
Table 2: Software Requirements for VMware (Junos OS Release 15.1F4 to 19.1)
VMware ESXi 5.5 (Update 2), 6.0, or 6.5
Note: Due to a DPDK version change in Junos OS Release 18.1R1 and later, ESXi 6.5 is the minimum version required to run the vMX router if you are operating in high-bandwidth mode (performance mode). If you are operating the vMX router in low-bandwidth (lite) mode, you can use ESXi 6.0 or ESXi 5.5.
vSphere 5.5 or vCenter Server