dpdk 绑定tap网口时提示ValueError: Unknown device: tap0. Please specify device in "bus:slot.func" format
时间: 2024-03-02 16:48:34 浏览: 241
When binding a tap interface with DPDK, you need to specify the device in the "bus:slot.func" format. The error message "ValueError: Unknown device: tap0" suggests that DPDK is unable to recognize the device name "tap0" that you have specified.
To fix this issue, you should specify the device in the correct format. You can use the "lspci" command to get the bus address of the device. For example, if the bus address of the device is "0000:02:00.0", then you can bind it to DPDK using the following command:
```
sudo ./usertools/dpdk-devbind.py --bind=igb_uio 0000:02:00.0
```
Replace the bus address with the one that you have obtained from the "lspci" command, and make sure that you have loaded the correct DPDK driver module for your device.
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