Virtual Machine (VM) Requirements
You can deploy Cisco Crosswork Optimization Engine as a VM on a host that meets the following minimum requirements.
Requirement |
Description |
---|---|
Hypervisor and vCenter |
|
Memory |
96 GB |
Storage |
1 TB, but see the volume requirements displayed in the VMware GUI when configuring disk space, as shown in Install Cisco Crosswork Optimization Engine. Thin provisioning is recommended, but the provisioning choice will not affect solution performance. Solid state drives are preferred over hard disk drives. If using HDD, minimum speed should be 10,000 RPM. |
vCPU |
16 vCPUs |
Interfaces |
Dual virtual interfaces in the VM:
The installation can also be performed using a single virtual interface. Both management and data traffic will flow though this single interface. Cisco recommends dual interfaces. If there are two interfaces, telemetry configuration will use the data interface IP to configure on devices. |
IP Addresses |
Two IPv4 addresses: One public IP for the management network virtual interface and one public or private IP for the data network virtual interface. The DNS and NTP servers, and the default gateway, must be reachable via the management network IP address. The data network IP address must be able to reach managed devices, and be reachable by the servers of the providers you plan to use. You will only need one IPv4 address if you plan to use a single virtual interface, which Cisco does not recommend. |
NTP Servers |
The IPv4 addresses or host names of the NTP servers you plan to use. If you want to enter multiple NTP servers, separate them with spaces. These should be the same NTP servers you use to synchronize devices, clients, and servers across your network. |
DNS Servers |
The IPv4 addresses of the DNS servers you plan to use. These should be the same DNS servers you use to resolve host names across your network. Confirm that the DNS servers are reachable from Cisco Crosswork Optimization Engine after configuration or installation will fail. |
DNS Search Domain |
The search domain you want to use with the DNS servers (for example, cisco.com). You can only have one search domain. |
Private Key |
This is a 32-byte Unicode text string, used to encrypt the critical inventory database. For example: CrossworkEncryptInventory123456!. Make sure it is a key you can remember. |
Disclaimer |
The text of the legal disclaimer displayed to clients accessing the VM via the command line. Consult your organization's IT or legal department for the content of this text. |
Important Notes
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The VM runs Ubuntu Server 18.04.1 (ubuntu-18.04.1-server).
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Kubernetes runs within the Cisco Crosswork Optimization Engine VM and uses Docker for containerization. The number of containers varies as applications are added or deleted.