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Network Layout
At the simplest form VCL uses two networks
- Private - applies to provisioning modules where node is reloaded, xcat, esx, vmware, etc.
- loading and boot strapping images
- managing reservations, adding/deleting accounts, controlling the OS on the node
- opens access ports on node for user requests on public network interface
- image creation
- DHCP is serves fixed-addresses over this network to the eth0 adapter of the node
- DHCP is run on the management node - prerequisite
- Public
- user accessible
- VCL can either use dhcp(preferred) or statically assign addresses on to the node on the public network
The diagram below shows the simple layout: