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300-415 · Question #407

Which configuration enables route filtering in an SD-WAN controller?

The correct answer is B. omp filter-route outbound tloc-color. Route filtering in an SD-WAN controller is configured under the OMP (Overlay Management Protocol) context using 'filter-route outbound tloc-color' to control which routes are advertised based on their TLOC color.

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Question

Which configuration enables route filtering in an SD-WAN controller?

Options

  • Aomp filter-route inbound tloc-color
  • Bomp filter-route outbound tloc-color
  • Ctloc-route tloc-color inbound
  • Domp filter-route tloc-color

How the community answered

(22 responses)
  • A
    5% (1)
  • B
    86% (19)
  • C
    9% (2)

Why each option

Route filtering in an SD-WAN controller is configured under the OMP (Overlay Management Protocol) context using 'filter-route outbound tloc-color' to control which routes are advertised based on their TLOC color.

Aomp filter-route inbound tloc-color

'inbound' filtering for 'tloc-color' would filter routes coming into the vSmart, which is less common for influencing routing decisions from the vSmart to the edges based on TLOC color for path preference.

Bomp filter-route outbound tloc-colorCorrect

Route filtering in an SD-WAN controller (vSmart) is typically done under the 'omp' configuration mode. The 'filter-route outbound' command allows filtering of routes being advertised from the vSmart controller to WAN Edge devices, and 'tloc-color' is a common attribute used for such filtering to influence preferred paths.

Ctloc-route tloc-color inbound

'tloc-route' is not a valid top-level command for route filtering in the OMP context on a controller; filtering is done under 'omp' mode.

Domp filter-route tloc-color

The command 'omp filter-route tloc-color' is incomplete and syntactically incorrect; it is missing the direction ('inbound' or 'outbound').

Concept tested: Cisco SD-WAN OMP route filtering configuration

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

Topics

#SD-WAN Route Filtering#OMP#Controller Configuration#TLOC Color

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