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taxi/example/Nexus_K3P_Q/fpga/README.md
2025-02-24 21:39:26 -08:00

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# Taxi Example Design for Nexus K3P-Q (ExaNIC X100)
## Introduction
This example design targets the Cisco Nexus K3P-Q (ExaNIC X100) FPGA board.
The design places looped-back MACs on the QSFP28 cages.
* QSFP28 cages
* Looped-back 10GBASE-R or 25GBASE-R MAC via GTH or GTY transceiver
## Board details
* FPGA: xcku3p-ffvb676-2-e
* 25GBASE-R PHY: Soft PCS with GTH or GTY transceiver
## Licensing
* Toolchain
* Vivado Standard (enterprise license not required)
* IP
* No licensed vendor IP or 3rd party IP
## How to build
Run `make` in the appropriate `fpga*` subdirectory to build the bitstream. Ensure that the Xilinx Vivado toolchain components are in PATH.
## How to test
Run `make program` to program the board with Vivado.
To test the looped-back MAC, it is recommended to use a network tester like the Viavi T-BERD 5800 that supports basic layer 2 tests with a loopback. Do not connect the looped-back MAC to a network as the reflected packets may cause problems.