300-415 Question #211: Real Exam Question with Answer & Explanation

The correct answer is D: tloc-extension interface interface-name vpn 0 tloc-extension interface-name. To configure local redundancy on a site between two WAN Edge routers, the tloc-extension interface command is used, specifying the interface name, followed by configuring the same under vpn 0.

WAN Edge Router Deployment

Question

An engineer must configure local redundancy on a site. Which configuration accomplishes the task?

Options

Avpn 0 tloc-extension interface interface-name
Binterface interface-name tloc-extension
Ctloc-extension interface interface-name vpn 0 interface interface-name tloc-extension interface-name
Dtloc-extension interface interface-name vpn 0 tloc-extension interface-name

Explanation

To configure local redundancy on a site between two WAN Edge routers, the tloc-extension interface command is used, specifying the interface name, followed by configuring the same under vpn 0.

Common mistakes.

A. This configuration is incomplete and places 'tloc-extension interface' directly under 'vpn 0', which is not the correct syntax for defining the extension.
B. This syntax is incorrect; 'tloc-extension' is a global command or used under 'vpn 0', not directly under an 'interface' configuration in this context for redundancy.
C. This option includes redundant and incorrectly placed commands, such as 'interface interface-name tloc-extension interface-name', which is not valid for configuring TLOC-extension redundancy.

Concept tested. TLOC-extension for local redundancy

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

Topics

#TLOC Extension#Site Redundancy#WAN Edge Configuration#Transport VPN

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