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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.

This remediates the service label maps to an unexpected forwarding table or vrf, normally indicated by Customer VPN packets arrive with a valid label but are dropped during VRF lookup. It would leave the observed problem (The remote PE sees valid VPN reachability but data plane drops occur after ECMP change) unresolved. Address it with check labels and forwarding entries across all ECMP transport next hops and repair the fault.

The option may be useful when core transit traffic starts following a customer Internet gateway, but that is not the current evidence. Here, the remote PE sees valid VPN reachability but data plane drops occur after ECMP change, indicating service-label forwarding and transport next-hop resolution disagree on one path. The targeted action is Check labels and forwarding entries across all ECMP transport next hops and repair the fault.

This change belongs to a different Layer 3 VPNs issue: The reflector does not redistribute one customer's VPN NLRI to other PEs. That issue involves the reflector's vpn address family or customer route filtering is incomplete. The current symptom is The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. It instead requires check labels and forwarding entries across all ECMP transport next hops and repair the fault.

This result is useful in another case with evidence Customer VPN packets arrive with a valid label but are dropped during VRF lookup. It does not test recovery from the remote pe sees valid vpn reachability but data plane drops occur after ecmp change. Check instead whether vPN packets are forwarded successfully over each eligible transport path.

It confirms an unrelated service correction: The reflector's VPN address family or customer route filtering is incomplete. The present case reports The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. Its completion test is VPN packets are forwarded successfully over each eligible transport path.

That observation would verify a separate fault involving a route leak was configured in the wrong direction between master and tenant vrfs. Its symptom is Core transit traffic starts following a customer Internet gateway. For this case the actual issue is service-label forwarding and transport next-hop resolution disagree on one path, and the relevant success signal is VPN packets are forwarded successfully over each eligible transport path.

That explanation fits another condition: Customer VPN packets arrive with a valid label but are dropped during VRF lookup. The evidence here is The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. Its closer root cause is Service-label forwarding and transport next-hop resolution disagree on one path.

The reflector's VPN address family or customer route filtering is incomplete. would normally be accompanied by the reflector does not redistribute one customer's vpn nlri to other pes. The observed symptom is different: The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. The likely cause is Service-label forwarding and transport next-hop resolution disagree on one path.

The stated cause is possible elsewhere but explains core transit traffic starts following a customer internet gateway, not the remote pe sees valid vpn reachability but data plane drops occur after ecmp change. This incident is better attributed to service-label forwarding and transport next-hop resolution disagree on one path.

This gate monitors a different failure, the reflector does not redistribute one customer's vpn nlri to other pes. It would not detect the current problem: The remote PE sees valid VPN reachability but data plane drops occur after ECMP change. The appropriate check requires vPN packets are forwarded successfully over each eligible transport path.

The proposed control is tied to a route leak was configured in the wrong direction between master and tenant vrfs, typically observed when core transit traffic starts following a customer Internet gateway. Here the target is service-label forwarding and transport next-hop resolution disagree on one path; monitor vPN packets are forwarded successfully over each eligible transport path.

It is valid for another service scenario but checks customer vpn packets arrive with a valid label but are dropped during vrf lookup. This case instead needs a gate for the remote pe sees valid vpn reachability but data plane drops occur after ecmp change and evidence that vPN packets are forwarded successfully over each eligible transport path.

This remediates asbr mp-bgp labeled vpn route handling and next-hop resolution are incomplete, normally indicated by Customer VPN prefixes reach the ASBR but fail beyond the boundary. It would leave the observed problem (The reflector does not redistribute one customer's VPN NLRI to other PEs) unresolved. Address it with enable the proper VPN family and permitted route reflection policy.

The option may be useful when provider-wide BGP policy accidentally imports the provider loopback into a customer VRF, but that is not the current evidence. Here, the reflector does not redistribute one customer's VPN NLRI to other PEs, indicating the reflector's vpn address family or customer route filtering is incomplete. The targeted action is Enable the proper VPN family and permitted route reflection policy.

This change belongs to a different Layer 3 VPNs issue: IPv4 L3VPN works but VPNv6 routes do not reach remote PEs. That issue involves mp-bgp vpnv6 family and vrf ipv6 route exchange were not enabled consistently. The current symptom is The reflector does not redistribute one customer's VPN NLRI to other PEs. It instead requires enable the proper VPN family and permitted route reflection policy.

That observation would verify a separate fault involving the import policy lacks explicit provider-infrastructure prefix exclusion. Its symptom is Provider-wide BGP policy accidentally imports the provider loopback into a customer VRF. For this case the actual issue is the reflector's vpn address family or customer route filtering is incomplete, and the relevant success signal is All authorized PEs receive the customer's VPN NLRI with valid RTs.

This result is useful in another case with evidence Customer VPN prefixes reach the ASBR but fail beyond the boundary. It does not test recovery from the reflector does not redistribute one customer's vpn nlri to other pes. Check instead whether all authorized PEs receive the customer's VPN NLRI with valid RTs.

It confirms an unrelated service correction: MP-BGP VPNv6 family and VRF IPv6 route exchange were not enabled consistently. The present case reports The reflector does not redistribute one customer's VPN NLRI to other PEs. Its completion test is All authorized PEs receive the customer's VPN NLRI with valid RTs.

MP-BGP VPNv6 family and VRF IPv6 route exchange were not enabled consistently. would normally be accompanied by ipv4 l3vpn works but vpnv6 routes do not reach remote pes. The observed symptom is different: The reflector does not redistribute one customer's VPN NLRI to other PEs. The likely cause is The reflector's VPN address family or customer route filtering is incomplete.

That explanation fits another condition: Customer VPN prefixes reach the ASBR but fail beyond the boundary. The evidence here is The reflector does not redistribute one customer's VPN NLRI to other PEs. Its closer root cause is The reflector's VPN address family or customer route filtering is incomplete.

The stated cause is possible elsewhere but explains provider-wide bgp policy accidentally imports the provider loopback into a customer vrf, not the reflector does not redistribute one customer's vpn nlri to other pes. This incident is better attributed to the reflector's vpn address family or customer route filtering is incomplete.

The proposed control is tied to the import policy lacks explicit provider-infrastructure prefix exclusion, typically observed when provider-wide BGP policy accidentally imports the provider loopback into a customer VRF. Here the target is the reflector's vpn address family or customer route filtering is incomplete; monitor all authorized PEs receive the customer's VPN NLRI with valid RTs.

This gate monitors a different failure, ipv4 l3vpn works but vpnv6 routes do not reach remote pes. It would not detect the current problem: The reflector does not redistribute one customer's VPN NLRI to other PEs. The appropriate check requires all authorized PEs receive the customer's VPN NLRI with valid RTs.

It is valid for another service scenario but checks customer vpn prefixes reach the asbr but fail beyond the boundary. This case instead needs a gate for the reflector does not redistribute one customer's vpn nlri to other pes and evidence that all authorized PEs receive the customer's VPN NLRI with valid RTs.

The option may be useful when remote branches can reach each other but not the public Internet, but that is not the current evidence. Here, provider-wide BGP policy accidentally imports the provider loopback into a customer VRF, indicating the import policy lacks explicit provider-infrastructure prefix exclusion. The targeted action is Tighten tenant VRF RT/prefix filters to reject infrastructure destinations.

This remediates mvpn provider-tunnel encapsulation or multicast transport mapping is inconsistent, normally indicated by Customer multicast control signaling exists but payload delivery fails at a remote PE. It would leave the observed problem (Provider-wide BGP policy accidentally imports the provider loopback into a customer VRF) unresolved. Address it with tighten tenant VRF RT/prefix filters to reject infrastructure destinations.

This change belongs to a different Layer 3 VPNs issue: Traffic from one customer appears in the other's routing table. That issue involves the pe imported vpn routes using shared route targets instead of isolated tenant membership. The current symptom is Provider-wide BGP policy accidentally imports the provider loopback into a customer VRF. It instead requires tighten tenant VRF RT/prefix filters to reject infrastructure destinations.

It confirms an unrelated service correction: The PE imported VPN routes using shared route targets instead of isolated tenant membership. The present case reports Provider-wide BGP policy accidentally imports the provider loopback into a customer VRF. Its completion test is Customer route tables exclude core loopbacks while customer service remains intact.

This result is useful in another case with evidence Customer multicast control signaling exists but payload delivery fails at a remote PE. It does not test recovery from provider-wide bgp policy accidentally imports the provider loopback into a customer vrf. Check instead whether customer route tables exclude core loopbacks while customer service remains intact.

That observation would verify a separate fault involving no authorized internet route leak or default path exists for the branch vrfs. Its symptom is Remote branches can reach each other but not the public Internet. For this case the actual issue is the import policy lacks explicit provider-infrastructure prefix exclusion, and the relevant success signal is Customer route tables exclude core loopbacks while customer service remains intact.