Methods for Bootstrapping vEdge Routers

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In an SD-WAN architecture, vEdge routers are the physical or virtual devices that are responsible for forwarding traffic between the enterprise network and the SD-WAN overlay network. Before a vEdge router can start forwarding traffic, it needs to be "bootstrapped" with the necessary configuration information.

There are a few different methods that can be used to bootstrap a vEdge router:

A. DHCP options or manual configuration: With this method, the vEdge router can either obtain its configuration information via DHCP options (e.g. Option 43) or the configuration can be manually entered into the router's startup configuration. DHCP options can be convenient because they allow for centralized management of configuration information, but they may not be supported in all environments.

B. vManage or DNS records: vManage is a centralized management platform that can be used to push configuration information to vEdge routers. Alternatively, DNS records can be used to point vEdge routers to the appropriate vBond orchestrator, which can then provide the necessary configuration information.

C. ZTP or manual configuration: ZTP (Zero Touch Provisioning) is a method of automating the deployment of network devices, including vEdge routers. With ZTP, the vEdge router can obtain its configuration information from a centralized server without any manual intervention. Alternatively, the configuration information can be manually entered into the router's startup configuration.

D. DNS records or DHCP options: This option is similar to option A, but with the order of methods reversed. The vEdge router can obtain its configuration information via DNS records or DHCP options, depending on the configuration of the environment.

So, to summarize, there are several methods that can be used to bootstrap a vEdge router in an SD-WAN architecture, including DHCP options, manual configuration, vManage, DNS records, and ZTP. The best method to use will depend on the specific requirements and constraints of the environment.