# \#gmii

**URL:** https://forum.uvvm.org/tag/gmii/9.md

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## [Ethernet VVC TXEN Bug](https://forum.uvvm.org/t/ethernet-vvc-txen-bug/282)

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**Author:** [@fmlkc](https://forum.uvvm.org/u/fmlkc)\
**Replies:** 2\
**Last updated:** [April 6, 2022, 1:59pm UTC](https://forum.uvvm.org/t/ethernet-vvc-txen-bug/282 "2022-04-06T13:59:04Z")

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Hi there, I use ethernet vvc with gmii phy interface. When I transmit ethernet packet to my DUT(Xilinx Core TEMACv9.0), my packet is marked as bad frame due to txen signal’s falling. TXEN should be high during transfer.…

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## [Error using bitvis\_vip\_gmii](https://forum.uvvm.org/t/error-using-bitvis-vip-gmii/128)

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**Author:** [@ecg173-bi](https://forum.uvvm.org/u/ecg173-bi)\
**Replies:** 2\
**Last updated:** [November 13, 2020, 10:48am UTC](https://forum.uvvm.org/t/error-using-bitvis-vip-gmii/128 "2020-11-13T10:48:26Z")

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Hi everybody, I am trying to create a simple project that uses bitvis\_vip\_gmii. Starting from the UART example, I have created the scripts folder and the tb and th files. Inside this last one I have i1\_gmii\_vvc: entity…