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.
Question
Options
- Aomp filter-route inbound tloc-color
- Bomp filter-route outbound tloc-color
- Ctloc-route tloc-color inbound
- Domp filter-route tloc-color
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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.
'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.
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.
'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.
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
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