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Voice sessions shift on quality degradation while bulk transfers follow their cost-appropriate policy. This would verify resolution of a different case: A branch uses one SD-WAN profile for backup transfers and video calls, resulting in expensive failovers for harmless bulk-traffic delay. It does not show that the reported issue was fixed or that its intended action—Review the applied folder, deployment scope and push status, then deploy the intended supported template.—worked.

Quality telemetry shows degraded loss and the chosen qualified backup path receives traffic. This would verify resolution of a different case: An SD-WAN deployment monitors only tunnel availability and fails to detect high packet loss while both uplinks remain administratively up. It does not show that the reported issue was fixed or that its intended action—Review the applied folder, deployment scope and push status, then deploy the intended supported template.—worked.

The primary carries expected load and the LTE link stays within its approved utilization. This would verify resolution of a different case: An SD-WAN traffic distribution policy round-robins traffic over paths of unequal capacity and overloads a small LTE backup link. It does not show that the reported issue was fixed or that its intended action—Review the applied folder, deployment scope and push status, then deploy the intended supported template.—worked.

Equal distribution can disregard physical path capacity and cost constraints. This mechanism instead explains a separate problem: An SD-WAN traffic distribution policy round-robins traffic over paths of unequal capacity and overloads a small LTE backup link. The current incident requires the more directly applicable cause stated by the correct option.

Path selection cannot use an interface that is not correctly referenced in effective policy. This mechanism instead explains a separate problem: After an ISP migration, the SD-WAN policy still points to the retired interface object and traffic cannot select the new healthy transport. The current incident requires the more directly applicable cause stated by the correct option.

An interface-up state does not establish acceptable application path performance. This mechanism instead explains a separate problem: An SD-WAN deployment monitors only tunnel availability and fails to detect high packet loss while both uplinks remain administratively up. The current incident requires the more directly applicable cause stated by the correct option.

Review application-driven SD-WAN classification before uniform policy rollout. That safeguard addresses another potential failure: A branch uses one SD-WAN profile for backup transfers and video calls, resulting in expensive failovers for harmless bulk-traffic delay. It is not the most targeted recurring control for the described cause: Saved cloud configuration is not evidence of active data-plane settings on the firewall.

Validate health-check connectivity on all WAN transports before go-live. That safeguard addresses another potential failure: A site enables new SD-WAN path steering but omits probe reachability through its edge firewall and incorrectly flags every backup path as failed. It is not the most targeted recurring control for the described cause: Saved cloud configuration is not evidence of active data-plane settings on the firewall.

Alert on measured path-quality violations rather than link state alone. That safeguard addresses another potential failure: An SD-WAN deployment monitors only tunnel availability and fails to detect high packet loss while both uplinks remain administratively up. It is not the most targeted recurring control for the described cause: Saved cloud configuration is not evidence of active data-plane settings on the firewall.

Monitor supported loss quality per path and correct the impaired transport or apply failover. That could address a different issue in the same blueprint area: An administrator configures SD-WAN path quality for business collaboration but ignores one-way packet loss on an underlay that appears operational. It does not directly correct the given incident, whose decisive mechanism is: Explicit path preference can override quality-aware behavior if policy is misconfigured.

Tune supported sensitivity and observation settings to match the user's required service quality. That could address a different issue in the same blueprint area: A call-center SD-WAN rule uses a latency SLA based on average hourly measurements and ignores short bursts of harmful jitter. It does not directly correct the given incident, whose decisive mechanism is: Explicit path preference can override quality-aware behavior if policy is misconfigured.

Review the Path Quality OR-based threshold behavior and correct overly strict or lax individual values. That could address a different issue in the same blueprint area: A branch health monitor shows packet loss rising above the configured SLA but an engineer expects automatic reroute only when latency and jitter also exceed limits. It does not directly correct the given incident, whose decisive mechanism is: Explicit path preference can override quality-aware behavior if policy is misconfigured.

Finance test flows use compliant private transport while lower-risk traffic uses broadband. This would verify resolution of a different case: An SD-WAN rule directs all apps to the cheapest broadband even when a finance application requires a documented private transport. It does not show that the reported issue was fixed or that its intended action—Review SD-WAN rule match order, preferred path list and quality criteria for the voice application.—worked.

Traffic fails over with the appropriate ISP source translation and completes round trips. This would verify resolution of a different case: During an ISP outage drill, an SD-WAN rule fails over but its source NAT still uses the unavailable provider address and the application's return traffic disappears. It does not show that the reported issue was fixed or that its intended action—Review SD-WAN rule match order, preferred path list and quality criteria for the voice application.—worked.

Test application flows hit the intended rule and shift on controlled SLA degradation. This would verify resolution of a different case: An application has a latency SLA but the SD-WAN profile monitors the wrong app category, and no measured degradation causes path change. It does not show that the reported issue was fixed or that its intended action—Review SD-WAN rule match order, preferred path list and quality criteria for the voice application.—worked.

SD-WAN policy references must be resolvable within effective centralized configuration scope. This mechanism instead explains a separate problem: A new site receives an SD-WAN rule that references a Path Quality profile from another folder, causing validation failure. The current incident requires the more directly applicable cause stated by the correct option.

A quality profile only affects flows that match its referencing SD-WAN policy. This mechanism instead explains a separate problem: An application has a latency SLA but the SD-WAN profile monitors the wrong app category, and no measured degradation causes path change. The current incident requires the more directly applicable cause stated by the correct option.

An SLA threshold optimized for bulk traffic may not protect real-time media. This mechanism instead explains a separate problem: An SD-WAN branch voice rule uses a generic path quality threshold suitable for large file transfers, allowing jitter that breaks live calls. The current incident requires the more directly applicable cause stated by the correct option.

Validate per-application jitter and loss thresholds before SD-WAN cutover. That safeguard addresses another potential failure: An SD-WAN branch voice rule uses a generic path quality threshold suitable for large file transfers, allowing jitter that breaks live calls. It is not the most targeted recurring control for the described cause: Explicit path preference can override quality-aware behavior if policy is misconfigured.

Test loss, latency and jitter independently for each SD-WAN SLA profile. That safeguard addresses another potential failure: A branch health monitor shows packet loss rising above the configured SLA but an engineer expects automatic reroute only when latency and jitter also exceed limits. It is not the most targeted recurring control for the described cause: Explicit path preference can override quality-aware behavior if policy is misconfigured.

Monitor quality as well as availability for business-critical transports. That safeguard addresses another potential failure: An administrator configures SD-WAN path quality for business collaboration but ignores one-way packet loss on an underlay that appears operational. It is not the most targeted recurring control for the described cause: Explicit path preference can override quality-aware behavior if policy is misconfigured.

Configure appropriate application-specific loss, latency and jitter thresholds in the SD-WAN Path Quality profile. That could address a different issue in the same blueprint area: A branch voice application fails during high jitter on the primary WAN link because its path-quality profile evaluates latency only. It does not directly correct the given incident, whose decisive mechanism is: Threshold configuration can mask genuine application quality issues.

Enable appropriate path-health measurement and quality profiles for the protected application. That could address a different issue in the same blueprint area: An SD-WAN deployment monitors only tunnel availability and fails to detect high packet loss while both uplinks remain administratively up. It does not directly correct the given incident, whose decisive mechanism is: Threshold configuration can mask genuine application quality issues.

Create separate traffic-class profiles and routing policies with justified SLA thresholds. That could address a different issue in the same blueprint area: A branch uses one SD-WAN profile for backup transfers and video calls, resulting in expensive failovers for harmless bulk-traffic delay. It does not directly correct the given incident, whose decisive mechanism is: Threshold configuration can mask genuine application quality issues.

Test traffic chooses the new ISP transport when it satisfies the application policy. This would verify resolution of a different case: After an ISP migration, the SD-WAN policy still points to the retired interface object and traffic cannot select the new healthy transport. It does not show that the reported issue was fixed or that its intended action—Adjust the relevant latency threshold and sensitivity to measured application requirements and test impairment.—worked.

Payment test flows use the approved private link while ordinary traffic retains its separate routing policy. This would verify resolution of a different case: A link management rule selects a low-cost Internet path for payment transactions even though their regulated destination must use the private link. It does not show that the reported issue was fixed or that its intended action—Adjust the relevant latency threshold and sensitivity to measured application requirements and test impairment.—worked.

The backup path reports valid quality and becomes eligible when the primary deteriorates. This would verify resolution of a different case: A site enables new SD-WAN path steering but omits probe reachability through its edge firewall and incorrectly flags every backup path as failed. It does not show that the reported issue was fixed or that its intended action—Adjust the relevant latency threshold and sensitivity to measured application requirements and test impairment.—worked.

Path selection cannot use an interface that is not correctly referenced in effective policy. This mechanism instead explains a separate problem: After an ISP migration, the SD-WAN policy still points to the retired interface object and traffic cannot select the new healthy transport. The current incident requires the more directly applicable cause stated by the correct option.

Saved cloud configuration is not evidence of active data-plane settings on the firewall. This mechanism instead explains a separate problem: A cloud-managed SD-WAN template changes a branch's interface role but was never pushed to the target firewall. The current incident requires the more directly applicable cause stated by the correct option.

Path measurement requires reachable probes and coherent transport policy. This mechanism instead explains a separate problem: A site enables new SD-WAN path steering but omits probe reachability through its edge firewall and incorrectly flags every backup path as failed. The current incident requires the more directly applicable cause stated by the correct option.

Document and test individual SLA breach behavior before deployment. That safeguard addresses another potential failure: A voice path changes even when only packet loss exceeds its threshold, but an engineer expects all three SLA metrics to fail before failover. It is not the most targeted recurring control for the described cause: Threshold configuration can mask genuine application quality issues.

Maintain application/destination path-policy tests for regulated services. That safeguard addresses another potential failure: A link management rule selects a low-cost Internet path for payment transactions even though their regulated destination must use the private link. It is not the most targeted recurring control for the described cause: Threshold configuration can mask genuine application quality issues.

Validate effective SD-WAN object visibility at each destination folder. That safeguard addresses another potential failure: An SD-WAN rule refers to a Path Quality profile that was created in a different folder and is unavailable to the branch firewall. It is not the most targeted recurring control for the described cause: Threshold configuration can mask genuine application quality issues.