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That observation would verify a separate fault involving the vpls service still contains stale forwarding database or pseudowire mapping. Its symptom is Customer MAC addresses appear on the wrong PE after a planned move. For this case the actual issue is the local and remote virtual circuit identifiers do not match, and the relevant success signal is The L2 circuit becomes Up and customer frames traverse the pseudowire.

This result is useful in another case with evidence Both attachment PEs forward duplicate known unicast after migration. It does not test recovery from one endpoint reports a matching neighbor but pseudowire status stays down. Check instead whether the L2 circuit becomes Up and customer frames traverse the pseudowire.

It confirms an unrelated service correction: The attachment circuit and pseudowire do not share a compatible effective MTU. The present case reports One endpoint reports a matching neighbor but pseudowire status stays Down. Its completion test is The L2 circuit becomes Up and customer frames traverse the pseudowire.

The attachment circuit and pseudowire do not share a compatible effective MTU. would normally be accompanied by traffic passes small frames but larger customer packets are discarded. The observed symptom is different: One endpoint reports a matching neighbor but pseudowire status stays Down. The likely cause is The local and remote virtual circuit identifiers do not match.

That explanation fits another condition: Both attachment PEs forward duplicate known unicast after migration. The evidence here is One endpoint reports a matching neighbor but pseudowire status stays Down. Its closer root cause is The local and remote virtual circuit identifiers do not match.

The stated cause is possible elsewhere but explains customer mac addresses appear on the wrong pe after a planned move, not one endpoint reports a matching neighbor but pseudowire status stays down. This incident is better attributed to the local and remote virtual circuit identifiers do not match.

The proposed control is tied to the vpls service still contains stale forwarding database or pseudowire mapping, typically observed when customer MAC addresses appear on the wrong PE after a planned move. Here the target is the local and remote virtual circuit identifiers do not match; monitor the L2 circuit becomes Up and customer frames traverse the pseudowire.

It is valid for another service scenario but checks both attachment pes forward duplicate known unicast after migration. This case instead needs a gate for one endpoint reports a matching neighbor but pseudowire status stays down and evidence that the L2 circuit becomes Up and customer frames traverse the pseudowire.

This gate monitors a different failure, traffic passes small frames but larger customer packets are discarded. It would not detect the current problem: One endpoint reports a matching neighbor but pseudowire status stays Down. The appropriate check requires the L2 circuit becomes Up and customer frames traverse the pseudowire.

The option may be useful when customer tags disappear at the remote CE port, but that is not the current evidence. Here, traffic passes small frames but larger customer packets are discarded, indicating the attachment circuit and pseudowire do not share a compatible effective mtu. The targeted action is Align service MTU and encapsulation overhead across both pseudowire ends.

This change belongs to a different Layer 2 VPNs issue: The same customer MAC repeatedly moves without a real host migration. That issue involves duplicate mac origin or loop in the underlying customer ethernet segment. The current symptom is Traffic passes small frames but larger customer packets are discarded. It instead requires align service MTU and encapsulation overhead across both pseudowire ends.

This remediates the site's vpls nlri or rt export settings are incomplete, normally indicated by One site never joins the full mesh despite a healthy BGP session. It would leave the observed problem (Traffic passes small frames but larger customer packets are discarded) unresolved. Address it with align service MTU and encapsulation overhead across both pseudowire ends.

That observation would verify a separate fault involving vlan tagging and pseudowire encapsulation semantics differ at the endpoints. Its symptom is Customer tags disappear at the remote CE port. For this case the actual issue is the attachment circuit and pseudowire do not share a compatible effective mtu, and the relevant success signal is Large authorized frames pass without fragmentation-induced drops.

It confirms an unrelated service correction: Duplicate MAC origin or loop in the underlying customer Ethernet segment. The present case reports Traffic passes small frames but larger customer packets are discarded. Its completion test is Large authorized frames pass without fragmentation-induced drops.

This result is useful in another case with evidence One site never joins the full mesh despite a healthy BGP session. It does not test recovery from traffic passes small frames but larger customer packets are discarded. Check instead whether large authorized frames pass without fragmentation-induced drops.

Duplicate MAC origin or loop in the underlying customer Ethernet segment. would normally be accompanied by the same customer mac repeatedly moves without a real host migration. The observed symptom is different: Traffic passes small frames but larger customer packets are discarded. The likely cause is The attachment circuit and pseudowire do not share a compatible effective MTU.

That explanation fits another condition: One site never joins the full mesh despite a healthy BGP session. The evidence here is Traffic passes small frames but larger customer packets are discarded. Its closer root cause is The attachment circuit and pseudowire do not share a compatible effective MTU.

The stated cause is possible elsewhere but explains customer tags disappear at the remote ce port, not traffic passes small frames but larger customer packets are discarded. This incident is better attributed to the attachment circuit and pseudowire do not share a compatible effective mtu.

The proposed control is tied to vlan tagging and pseudowire encapsulation semantics differ at the endpoints, typically observed when customer tags disappear at the remote CE port. Here the target is the attachment circuit and pseudowire do not share a compatible effective mtu; monitor large authorized frames pass without fragmentation-induced drops.

This gate monitors a different failure, the same customer mac repeatedly moves without a real host migration. It would not detect the current problem: Traffic passes small frames but larger customer packets are discarded. The appropriate check requires large authorized frames pass without fragmentation-induced drops.

It is valid for another service scenario but checks one site never joins the full mesh despite a healthy bgp session. This case instead needs a gate for traffic passes small frames but larger customer packets are discarded and evidence that large authorized frames pass without fragmentation-induced drops.

The option may be useful when iPv6 frames fail while ordinary IPv4 packets cross the same circuit, but that is not the current evidence. Here, customer tags disappear at the remote CE port, indicating vlan tagging and pseudowire encapsulation semantics differ at the endpoints. The targeted action is Match tagged or untagged service encapsulation on both attachment circuits.

This change belongs to a different Layer 2 VPNs issue: MAC movement and broadcast storms appear after both CE ports activate. That issue involves active pseudowires violate the intended loop-prevention or multihoming design. The current symptom is Customer tags disappear at the remote CE port. It instead requires match tagged or untagged service encapsulation on both attachment circuits.

This remediates the pes do not establish the required targeted ldp signaling for the remote endpoint, normally indicated by The circuit stays Down because no VC label is negotiated. It would leave the observed problem (Customer tags disappear at the remote CE port) unresolved. Address it with match tagged or untagged service encapsulation on both attachment circuits.

That observation would verify a separate fault involving the service has an inappropriate ethertype filter or nontransparent encapsulation. Its symptom is IPv6 frames fail while ordinary IPv4 packets cross the same circuit. For this case the actual issue is vlan tagging and pseudowire encapsulation semantics differ at the endpoints, and the relevant success signal is Remote captures preserve the contracted customer VLAN header.

This result is useful in another case with evidence The circuit stays Down because no VC label is negotiated. It does not test recovery from customer tags disappear at the remote ce port. Check instead whether remote captures preserve the contracted customer VLAN header.

It confirms an unrelated service correction: Active pseudowires violate the intended loop-prevention or multihoming design. The present case reports Customer tags disappear at the remote CE port. Its completion test is Remote captures preserve the contracted customer VLAN header.

That explanation fits another condition: The circuit stays Down because no VC label is negotiated. The evidence here is Customer tags disappear at the remote CE port. Its closer root cause is VLAN tagging and pseudowire encapsulation semantics differ at the endpoints.

The stated cause is possible elsewhere but explains ipv6 frames fail while ordinary ipv4 packets cross the same circuit, not customer tags disappear at the remote ce port. This incident is better attributed to vlan tagging and pseudowire encapsulation semantics differ at the endpoints.

Active pseudowires violate the intended loop-prevention or multihoming design. would normally be accompanied by mac movement and broadcast storms appear after both ce ports activate. The observed symptom is different: Customer tags disappear at the remote CE port. The likely cause is VLAN tagging and pseudowire encapsulation semantics differ at the endpoints.

The proposed control is tied to the service has an inappropriate ethertype filter or nontransparent encapsulation, typically observed when iPv6 frames fail while ordinary IPv4 packets cross the same circuit. Here the target is vlan tagging and pseudowire encapsulation semantics differ at the endpoints; monitor remote captures preserve the contracted customer VLAN header.

This gate monitors a different failure, mac movement and broadcast storms appear after both ce ports activate. It would not detect the current problem: Customer tags disappear at the remote CE port. The appropriate check requires remote captures preserve the contracted customer VLAN header.

It is valid for another service scenario but checks the circuit stays down because no vc label is negotiated. This case instead needs a gate for customer tags disappear at the remote ce port and evidence that remote captures preserve the contracted customer VLAN header.