300-415 · Question #182
An engineer must deploy a QoS policy with these requirements: policy name: App-police CIR rate: 1000000 burst: 1000000 exceed: drop Which configuration meets the requirements?
The correct answer is B. policy data-policy policy-name vpn-list 10 sequence 1 action accept set policer App-police. The provided configuration snippets are incomplete, but choice B outlines the correct structural approach to applying a QoS policer, named "App-police," within a centralized data policy for specific VPN traffic. A centralized data policy is used to define and apply policing…
Question
- policy name: App-police
- CIR rate: 1000000
- burst: 1000000
- exceed: drop Which configuration meets the requirements?
Exhibit
Options
- Avpn-list VPN10 sequence 1 match app-list youtube action accept set policer App-police
- Bpolicy data-policy policy-name vpn-list 10 sequence 1 action accept set policer App-police
- Cvpn 10 interface ge0/0 set policer App-police in default action accept
- Dpolicy action accept set policer App-police
How the community answered
(26 responses)- A8% (2)
- B69% (18)
- C4% (1)
- D19% (5)
Why each option
The provided configuration snippets are incomplete, but choice B outlines the correct structural approach to applying a QoS policer, named "App-police," within a centralized data policy for specific VPN traffic. A centralized data policy is used to define and apply policing actions across the SD-WAN fabric.
This snippet applies a policer within a centralized data policy for traffic matching an app-list. While conceptually correct for applying a policer, it's less general than B for meeting the stated requirements that just mention "App-police" without an app-list match in the policer definition itself.
This snippet shows the correct structure for applying a policer named `App-police` within a centralized data policy. A centralized data policy (defined under `policy data-policy policy-name`) allows you to apply actions like policing to traffic flows across specified VPNs (`vpn-list 10`) based on defined sequences. Although the policer definition itself (`CIR rate`, `burst`, `exceed`) is not shown in this specific snippet, this structure is the correct way to reference and apply a pre-defined policer.
This snippet shows a localized policer applied on a specific interface (`ge0/0`) within a VPN, which is a localized policy application. The question implies a QoS policy to be *deployed*, and centralized data policies are the primary way to deploy traffic policies across the fabric based on criteria like application or VPN, not just a single interface.
This snippet is too generic and lacks the context of a data policy or its application to specific VPNs or traffic flows. A policer needs to be defined and then applied within a broader policy framework, typically a data policy.
Concept tested: Cisco SD-WAN centralized data policy with policer
Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-xe-gs-book_chapter_0110.html#id_62516
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