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It confirms an unrelated service correction: Return-route exchange from the new site into its local VRF is missing. The present case reports Existing remote PEs stop importing routes before the new target is installed. Its completion test is Every site remains reachable through migration and converges on the new RT.

That observation would verify a separate fault involving the shared-services exchange uses transit rts that permit uncontrolled customer-to-customer reachability. Its symptom is Customer VRFs can reach shared DNS but also import other tenants' direct routes. For this case the actual issue is export and import route-target changes were not staged compatibly, and the relevant success signal is Every site remains reachable through migration and converges on the new RT.

This result is useful in another case with evidence Routes appear as interarea paths at a remote CE rather than expected intra-area continuation. It does not test recovery from existing remote pes stop importing routes before the new target is installed. Check instead whether every site remains reachable through migration and converges on the new RT.

Return-route exchange from the new site into its local VRF is missing. would normally be accompanied by the remote pe sees the updated vpnv4 prefix but ce traffic cannot return. The observed symptom is different: Existing remote PEs stop importing routes before the new target is installed. The likely cause is Export and import route-target changes were not staged compatibly.

The stated cause is possible elsewhere but explains customer vrfs can reach shared dns but also import other tenants' direct routes, not existing remote pes stop importing routes before the new target is installed. This incident is better attributed to export and import route-target changes were not staged compatibly.

That explanation fits another condition: Routes appear as interarea paths at a remote CE rather than expected intra-area continuation. The evidence here is Existing remote PEs stop importing routes before the new target is installed. Its closer root cause is Export and import route-target changes were not staged compatibly.

The proposed control is tied to the shared-services exchange uses transit rts that permit uncontrolled customer-to-customer reachability, typically observed when customer VRFs can reach shared DNS but also import other tenants' direct routes. Here the target is export and import route-target changes were not staged compatibly; monitor every site remains reachable through migration and converges on the new RT.

This gate monitors a different failure, the remote pe sees the updated vpnv4 prefix but ce traffic cannot return. It would not detect the current problem: Existing remote PEs stop importing routes before the new target is installed. The appropriate check requires every site remains reachable through migration and converges on the new RT.

It is valid for another service scenario but checks routes appear as interarea paths at a remote ce rather than expected intra-area continuation. This case instead needs a gate for existing remote pes stop importing routes before the new target is installed and evidence that every site remains reachable through migration and converges on the new RT.

The option may be useful when the VPN intermittently chooses the slower CE even though the primary is healthy, but that is not the current evidence. Here, the remote PE sees the updated VPNv4 prefix but CE traffic cannot return, indicating return-route exchange from the new site into its local vrf is missing. The targeted action is Verify bidirectional CE-to-PE routing and VRF export on the new site.

This change belongs to a different Layer 3 VPNs issue: Sham-link connectivity is missing and a customer backdoor link becomes preferred. That issue involves the provider path appears less preferable to the direct intra-area backdoor path. The current symptom is The remote PE sees the updated VPNv4 prefix but CE traffic cannot return. It instead requires verify bidirectional CE-to-PE routing and VRF export on the new site.

This remediates mp-bgp control-plane reachability is out of sync with mpls transport forwarding, normally indicated by VPN route remains active at PEs despite loss of the underlying labeled transport. It would leave the observed problem (The remote PE sees the updated VPNv4 prefix but CE traffic cannot return) unresolved. Address it with verify bidirectional CE-to-PE routing and VRF export on the new site.

This result is useful in another case with evidence VPN route remains active at PEs despite loss of the underlying labeled transport. It does not test recovery from the remote pe sees the updated vpnv4 prefix but ce traffic cannot return. Check instead whether traceroute and routing checks confirm two-way customer reachability.

That observation would verify a separate fault involving pe inbound route preference does not reflect the customer's intended ce priority. Its symptom is The VPN intermittently chooses the slower CE even though the primary is healthy. For this case the actual issue is return-route exchange from the new site into its local vrf is missing, and the relevant success signal is Traceroute and routing checks confirm two-way customer reachability.

It confirms an unrelated service correction: The provider path appears less preferable to the direct intra-area backdoor path. The present case reports The remote PE sees the updated VPNv4 prefix but CE traffic cannot return. Its completion test is Traceroute and routing checks confirm two-way customer reachability.

That explanation fits another condition: VPN route remains active at PEs despite loss of the underlying labeled transport. The evidence here is The remote PE sees the updated VPNv4 prefix but CE traffic cannot return. Its closer root cause is Return-route exchange from the new site into its local VRF is missing.

The stated cause is possible elsewhere but explains the vpn intermittently chooses the slower ce even though the primary is healthy, not the remote pe sees the updated vpnv4 prefix but ce traffic cannot return. This incident is better attributed to return-route exchange from the new site into its local vrf is missing.

The provider path appears less preferable to the direct intra-area backdoor path. would normally be accompanied by sham-link connectivity is missing and a customer backdoor link becomes preferred. The observed symptom is different: The remote PE sees the updated VPNv4 prefix but CE traffic cannot return. The likely cause is Return-route exchange from the new site into its local VRF is missing.

It is valid for another service scenario but checks vpn route remains active at pes despite loss of the underlying labeled transport. This case instead needs a gate for the remote pe sees the updated vpnv4 prefix but ce traffic cannot return and evidence that traceroute and routing checks confirm two-way customer reachability.

The proposed control is tied to pe inbound route preference does not reflect the customer's intended ce priority, typically observed when the VPN intermittently chooses the slower CE even though the primary is healthy. Here the target is return-route exchange from the new site into its local vrf is missing; monitor traceroute and routing checks confirm two-way customer reachability.

This gate monitors a different failure, sham-link connectivity is missing and a customer backdoor link becomes preferred. It would not detect the current problem: The remote PE sees the updated VPNv4 prefix but CE traffic cannot return. The appropriate check requires traceroute and routing checks confirm two-way customer reachability.

The option may be useful when the PE does not export the agreed customer prefixes into its VRF, but that is not the current evidence. Here, the VPN intermittently chooses the slower CE even though the primary is healthy, indicating pe inbound route preference does not reflect the customer's intended ce priority. The targeted action is Define route-policy preference for the primary and backup CE advertisements.

This remediates service-label forwarding and transport next-hop resolution disagree on one path, normally indicated by The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. It would leave the observed problem (The VPN intermittently chooses the slower CE even though the primary is healthy) unresolved. Address it with define route-policy preference for the primary and backup CE advertisements.

This change belongs to a different Layer 3 VPNs issue: One tenant bypasses inspection due to a direct imported route. That issue involves rt policy permits an alternate direct path that avoids the approved service chain. The current symptom is The VPN intermittently chooses the slower CE even though the primary is healthy. It instead requires define route-policy preference for the primary and backup CE advertisements.

This result is useful in another case with evidence The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. It does not test recovery from the vpn intermittently chooses the slower ce even though the primary is healthy. Check instead whether the VPN picks the correct site under normal and simulated failure.

That observation would verify a separate fault involving the ce-facing import policy is not accepting those routes. Its symptom is The PE does not export the agreed customer prefixes into its VRF. For this case the actual issue is pe inbound route preference does not reflect the customer's intended ce priority, and the relevant success signal is The VPN picks the correct site under normal and simulated failure.

It confirms an unrelated service correction: RT policy permits an alternate direct path that avoids the approved service chain. The present case reports The VPN intermittently chooses the slower CE even though the primary is healthy. Its completion test is The VPN picks the correct site under normal and simulated failure.

RT policy permits an alternate direct path that avoids the approved service chain. would normally be accompanied by one tenant bypasses inspection due to a direct imported route. The observed symptom is different: The VPN intermittently chooses the slower CE even though the primary is healthy. The likely cause is PE inbound route preference does not reflect the customer's intended CE priority.

That explanation fits another condition: The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. The evidence here is The VPN intermittently chooses the slower CE even though the primary is healthy. Its closer root cause is PE inbound route preference does not reflect the customer's intended CE priority.

The stated cause is possible elsewhere but explains the pe does not export the agreed customer prefixes into its vrf, not the vpn intermittently chooses the slower ce even though the primary is healthy. This incident is better attributed to pe inbound route preference does not reflect the customer's intended ce priority.

The proposed control is tied to the ce-facing import policy is not accepting those routes, typically observed when the PE does not export the agreed customer prefixes into its VRF. Here the target is pe inbound route preference does not reflect the customer's intended ce priority; monitor the VPN picks the correct site under normal and simulated failure.

It is valid for another service scenario but checks the remote pe sees valid vpn reachability but data plane drops occur after ecmp change. This case instead needs a gate for the vpn intermittently chooses the slower ce even though the primary is healthy and evidence that the VPN picks the correct site under normal and simulated failure.

This gate monitors a different failure, one tenant bypasses inspection due to a direct imported route. It would not detect the current problem: The VPN intermittently chooses the slower CE even though the primary is healthy. The appropriate check requires the VPN picks the correct site under normal and simulated failure.