300-415 Question #210: Real Exam Question with Answer & Explanation

The correct answer is B: It is manually assigned when using vManage feature templates.. When configuring a tunnel interface using vManage feature templates, the tunnel interface name is a manually assigned value, not automatically generated or fixed.

WAN Edge Router Deployment

Question

What is a restriction when configuring a tunnel interface?

Options

AUp to six tunnel interfaces are configurable on a vSmart.
BIt is manually assigned when using vManage feature templates.
CIt must be configured for the interface under all VPNs.
DUp to six tunnel interfaces are configurable on a WAN Edge.

Explanation

When configuring a tunnel interface using vManage feature templates, the tunnel interface name is a manually assigned value, not automatically generated or fixed.

Common mistakes.

A. vSmart controllers do not have data plane tunnel interfaces in the same way WAN Edges do; they manage control plane tunnels (DTLS/TLS) to other controllers and WAN Edges.
C. Tunnel interfaces are typically configured under vpn 0 (transport VPN) and not under all VPNs, as they are part of the transport infrastructure.
D. The number of configurable tunnel interfaces on a WAN Edge is typically more than six, depending on the platform and specific configuration needs, so six is not a universal limit.

Concept tested. Tunnel interface configuration in vManage templates

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-templates-and-features.html

Topics

#vManage Templates#Tunnel Interface Configuration#Interface IDs#SD-WAN Configuration

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