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2 results about "Forwarding information base" patented technology
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A forwarding information base (FIB), also known as a forwarding table or MAC table, is most commonly used in network bridging, routing, and similar functions to find the proper output network interface to which the input interface should forward a packet. It is a dynamic table that maps MAC addresses to ports. It is the essential mechanism that separates network switches from Ethernet hubs. Content-addressable memory (CAM) is typically used to efficiently implement the FIB, thus it is sometimes called a CAM table.
A method and apparatus for implementing a smooth port failure
PendingCN122179335AGuaranteed balance and stabilitybalance continuityTransmissionInformation repositoryPhysical layer
This application provides a method and apparatus for smoothing port failures. The method includes receiving a link state interruption event; reading the link state register of the physical layer chip that generated the link state interruption event; reading the fault type and the physical port where the link interruption occurred from the link state register; determining the fault type as a local link interruption, setting the logical operating state of the physical port to "off", clearing all Layer 2 MAC forwarding table entries with the physical port as the outgoing port, and updating the Layer 3 forwarding information base (FIB) table entry of the Layer 3 interface to which the physical port belongs; or, determining the fault type as a remote link interruption, recording at least the physical layer chip, the physical port, and its current detection count, and starting a software delay timer. This application is applicable to various IP networks and FTTR networks.
Owner:NEW H3C TECH CO LTD
Just in time flow cache management for hybrid flows in an offload architecture
A method for processing packets, the method comprising receiving a packet by a data processing unit (DPU), making a first determination that there is no exact match flow entry in a hardware switch pipeline in the DPU for the packet, in response to the first determination, classifying, in the DPU, the packet as a data packet, in response to the classifying of the packet: identifying, using a software data plane in the DPU, a forwarding information base (FIB) entry to be used to transmit the packet towards its intended destination, identifying, using the software data plane, a flow associated with the packet, initiating, using the software data plane, programming of an exact match flow entry in the hardware switch pipeline, and initiating, using the software data plane, transmission of the packet towards its intended destination using the FIB entry and the hardware switch pipeline.
Owner:DELL PROD LP