300-415 · Question #253
Which two vRoute attributes should be matched or set in vSmart policies and modified by data policies? (Choose two.)
The correct answer is A. VPN. VPN and preference are vRoute attributes that can be matched or set in vSmart control policies, and the preference attribute can also be modified by data policies for dynamic traffic steering.
Question
Options
- AVPN
- Bpreference
- CSite ID
- Dorigin
How the community answered
(36 responses)- A83% (30)
- B3% (1)
- C11% (4)
- D3% (1)
Why each option
VPN and preference are vRoute attributes that can be matched or set in vSmart control policies, and the preference attribute can also be modified by data policies for dynamic traffic steering.
The VPN attribute is a critical component of vRoutes, identifying the VPN to which a route belongs. It can be matched in control policies to filter or apply actions to routes within specific VPNs.
Site ID is a vRoute attribute used for identifying the originating site of a route, and while it can be matched in control policies, it is generally not 'modified by data policies' to influence traffic steering in the same way preference is.
Origin is a vRoute attribute indicating how a route was learned (e.g., OSPF, BGP, connected), and while it can be matched in control policies, it is typically not modified by data policies as it reflects the source protocol.
Concept tested: vRoute attributes in SD-WAN policies
Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-policy-config.html
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