The following restrictions apply to all Advanced NPAR deployments for both Full Switch and SmartFabric modes. Ignore any recommended action for features that are not supported or configurable by the user under SmartFabric mode. These actions only apply for Full Switch configurations.
- FCoE
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FCoE is not supported on ports with Advanced NPAR partitions.
- Dynamic or static port-channels
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Port channels or switch dependent port teaming is not supported on ports with Advanced NPAR partitions.
- IGMP snooping
- IGMP snooping is not supported on the VLAN that has NPAR partitions as a member.
- Spanning Tree
- RSTP is the only supported Spanning Tree protocol.
- Server templates
- Bandwidth allocation configuration is not valid for NPAR interfaces.
- Uplink Failure Detection (UFD)
- UFD is not supported on NPAR partition interfaces.
- PVLAN and VXLAN
- PVLAN and VXLAN cannot be configured when NPAR is enabled.
- Layer3
- Interfaces with NPAR partitioned cannot have Layer3 configurations.
- QoS map and trust maps
- Changes in the qos-map and trust-map of a parent (physical) interface are inherited to the children (partitions).
- MTU
- Changes to the MTU configuration on the parent (physical) interface are inherited to the children(partitions).
- LLDP
- Disabling LLDP transmit or receive on the parent (physical) interface will impact logical interface functionalities. As a best practice, leave LLDP enabled on the parent interface or globally.
- Switch mode change
- Advanced NPAR interfaces are not retained while changing switch modes. This applies to a mode change from Full Switch to SmartFabric and from SmartFabric to Full Switch.
- VLAN Stacking (Q-in-Q)
- Advanced NPAR and VLAN Stacking cannot be deployed or configured simultaneously. Advanced NPAR uses the mandatory 0x88A8 tag protocol identifier (TPID).
- VLAN configuration
- Partitions (children) under the same physical (parent) port cannot be assigned the same VLAN. Broadcast, multicast, and unknown unicast (BUM) traffic can egress out of the same physical port and cause a loop storm. Also, the same VLAN assigned Asa best practice, configure nonoverlapping VLANs across a parent and its children.
- Egress packet counters
- Egress packet counters on the logical NPAR interfaces are updated even if packets are source suppressed. These packets are not sent out of the partition interfaces. The packet count is incremented, but the byte count does not increment. As a best practice, view the byte count to track the exact number of bytes transmitted.
- TPID
- Advanced NPAR uses the mandatory 0x88A8 TPID. As a best practice, do not configure the switch port trunk TPID on any interface that is NPAR partitioned.