300-415 · Question #341
What is one way an SD-WAN Edge router originates a vRoute?
The correct answer is C. from TLOCs connected to the WAN transports. In Cisco SD-WAN, a vRoute is a route that originates from the WAN Edge router itself and is advertised into the OMP overlay; TLOCs connected to WAN transports are a primary source of such routes.
Question
Options
- Alearned from OSPF intra-area
- Blearned from BGP
- Cfrom TLOCs connected to the WAN transports
- Dfrom the vBond controller
How the community answered
(43 responses)- A9% (4)
- B2% (1)
- C86% (37)
- D2% (1)
Why each option
In Cisco SD-WAN, a vRoute is a route that originates from the WAN Edge router itself and is advertised into the OMP overlay; TLOCs connected to WAN transports are a primary source of such routes.
OSPF intra-area routes are service-side routes that may be redistributed into OMP as OMP routes, but they are not the origin of vRoutes.
BGP-learned routes are redistributed from the service side into OMP and appear as OMP routes, not as vRoutes originating from the WAN Edge.
WAN Edge routers originate vRoutes based on the TLOCs (Transport Locators) established through their physical or logical connections to WAN transport networks. These TLOC-derived routes are advertised via OMP to vSmart controllers and then reflected to other WAN Edge routers, forming the SD-WAN overlay routing table.
vBond is an orchestration controller responsible for authentication and NAT traversal; it does not originate or distribute vRoutes.
Concept tested: SD-WAN vRoute origination via TLOCs
Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/routing/ios-xe-17/routing-book-xe/m-omp.html
Topics
Community Discussion
No community discussion yet for this question.