NAS L2 - open-switch/opx-docs GitHub Wiki

The NAS L2 provides the interface to enable core L2 functionality and related protocols. The following lists the NAS L2 features:

• Handles the MAC address table
• MAC learning limit
• VLAN
• LAG (link aggregation)
• Layer 2 mirroring

The NAS L2 exposes the northbound CPS API to enable various applications on the top of this module. To program various L2 functions, the NDI L2 translates the NPU/port to the corresponding SAI instance. As southbound interface, the NDI L2 calls the SAI API which calls the vendor-specific NPU function.