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300-415 · Question #397

Refer to the exhibit. An enterprise requires that all its sites prefer a public internet circuit when receiving OMP prefixes originated by WAN Edge 102. The engineer must add a policy that applies…

The correct answer is C. Site. To apply an incoming OMP policy to routes from all devices within a specific site, including future additions, the policy's Match condition should target the Site ID.

Policies

Question

Refer to the exhibit. An enterprise requires that all its sites prefer a public internet circuit when receiving OMP prefixes originated by WAN Edge 102. The engineer must add a policy that applies to incoming traffic without impacting any devices added to site 102 in the future. Which condition in the Match tab must be selected to configure this policy?

Options

  • ATLOC
  • BOriginator
  • CSite
  • DColor List

How the community answered

(47 responses)
  • A
    6% (3)
  • B
    11% (5)
  • C
    81% (38)
  • D
    2% (1)

Why each option

To apply an incoming OMP policy to routes from all devices within a specific site, including future additions, the policy's Match condition should target the Site ID.

ATLOC

Matching on 'TLOC' would tie the policy to a specific tunnel interface endpoint, which is not granular enough to cover all devices within a site and might require updates if TLOCs change.

BOriginator

Matching on 'Originator' (the system IP of the originating device) would apply the policy only to a specific WAN Edge router, contradicting the requirement to not impact future devices added to the site.

CSiteCorrect

When configuring an OMP policy for incoming routes, selecting 'Site' in the Match tab ensures the policy applies to all vRoutes originating from a specific Site ID, such as Site 102. This method future-proofs the policy by automatically including any new WAN Edge devices added to that site without requiring policy modifications.

DColor List

Matching on 'Color List' would apply the policy based on the transport color used, which is unrelated to targeting routes from a specific originating site.

Concept tested: Cisco SD-WAN OMP Policy Match Conditions - Site ID

Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/policies/ios-xe-17/policy-book-xe/overview-policies.html

Topics

#OMP Policy#Control Policy#Site ID#vSmart Policy

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