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300-415 · Question #403

Which attribute identifies the type of a vRoute?

The correct answer is C. origin. The 'origin' attribute in Cisco SD-WAN identifies the type of a vRoute, indicating how the route was learned (e.g., OSPF, BGP, connected, static).

Architecture

Question

Which attribute identifies the type of a vRoute?

Options

  • Aoriginator
  • Btag
  • Corigin
  • Dencapsulation

How the community answered

(51 responses)
  • A
    2% (1)
  • B
    2% (1)
  • C
    90% (46)
  • D
    6% (3)

Why each option

The 'origin' attribute in Cisco SD-WAN identifies the type of a vRoute, indicating how the route was learned (e.g., OSPF, BGP, connected, static).

Aoriginator

The 'originator' attribute identifies the system IP address of the WAN Edge router that originated the route, not its type.

Btag

The 'tag' attribute is an optional, user-defined value that can be added to routes for policy matching, not to specify the route type.

CoriginCorrect

The 'origin' attribute of a vRoute indicates the routing protocol from which the route was learned (e.g., OSPF, BGP, static, connected) and its associated metric. This attribute helps determine the preference and behavior of routes within the SD-WAN fabric.

Dencapsulation

'Encapsulation' refers to the tunnel type (e.g., IPsec, GRE) used for data plane traffic, not an attribute that identifies the route type itself.

Concept tested: Cisco SD-WAN vRoute attributes

Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-cr-book/control-plane-components.html

Topics

#vRoute Attributes#OMP#Route Origin#SD-WAN Routing

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